Technical Information
Proportional Valve Group
PVG 16
powersolutions.danfoss.com
Revision history Table of revisions
Date Changed Rev
February 2017 Major update. 0401
March 2016 Minor update in PVHC technical characteristics 0303
March 2016 Updated to Engineering Tomorrow design. 0302
February 2016 Drawing was updated in topic: How to select the correct spool 0301
September 2015 PVG 16 Step II 0200
March 2015 PVH, PVMD changed under Modules BF
February 2015 Seal kit added for PVB + PVM BE
December 2014 PVHC section updated BD
August 2014 PVEO pin descriptions updated BC
January 2014 Converted to Danfoss layout – DITA CMS BB
February 2013 Major layout revision, drawings change BA
October 2012 New Edition AA
Technical Information
PVG 16 Proportional Valve Group
2 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
Reference
Literature reference for PVG products......................................................................................................................................5
General Information
PVG 16 introduction........................................................................................................................................................................6
PVG 16 general features.................................................................................................................................................................7
PVG 16 Technical data.................................................................................................................................................................... 8
Safety in systems
General safety considerations...................................................................................................................................................10
Control system example..............................................................................................................................................................10
PVB – basic modules (work sections)
PVB work ports, interchangeable spools...............................................................................................................................12
PVB Basic Work Modules – hydraulic schematics and code numbers........................................................................13
PVB oil flow characteristics.........................................................................................................................................................15
PVBS – main spool
PVBS sectional view.......................................................................................................................................................................20
Flow control, spool characteristic............................................................................................................................................ 20
PVBS spool – Different flow versions.................................................................................................................................20
PVBS spool – Open/closed in neutral versions.............................................................................................................. 21
PVBS spool – Float versions.................................................................................................................................................. 21
PVBS spool – Asymmetrical versions.................................................................................................................................21
How to select correct PVBS main spool................................................................................................................................. 22
PVBS Actuation............................................................................................................................................................................... 23
PVBS hydraulic schematics, code numbers..........................................................................................................................23
PVBS oil flow characteristics.......................................................................................................................................................24
PVM and PVH – mechanical actuation modules
PVM and PVH general information..........................................................................................................................................26
PVM actuation module...........................................................................................................................................................26
PVH actuation module............................................................................................................................................................27
PVM/PVH hydraulic symbols and code numbers...............................................................................................................28
PVM/PVH oil flow characteristics..............................................................................................................................................29
PVAS
PVAS design.....................................................................................................................................................................................30
Module selection guide...............................................................................................................................................................31
PVAS (Standard) modules according to PVG 32/PVG 16 configuration............................................................... 32
PVAS (Mid-inlet) modules according to PVG 32/PVG 16 configuration................................................................32
PVAS PVSK modules according to PVG 32/PVG 16 configuration.......................................................................... 33
PVAS modules according to PVG 100/16 or PVG 120/16 configuration...............................................................33
PVE – electrical actuation modules
PVE features..................................................................................................................................................................................... 34
Electrical actuation...................................................................................................................................................................34
Spool position output.............................................................................................................................................................35
Fault monitoring.......................................................................................................................................................................36
Power save..................................................................................................................................................................................36
PVEO/A code numbers........................................................................................................................................................... 36
PVE-CI code numbers..............................................................................................................................................................36
PVEA pin connector layout....................................................................................................................................................36
PVEA-F pin connector layout................................................................................................................................................37
PVEO pin connector layout...................................................................................................................................................37
PVE-CI pin connector layout.................................................................................................................................................38
PVE technical characteristics......................................................................................................................................................38
PVE oil flow characteristics......................................................................................................................................................... 40
PVHC, high current actuation module – electrical.............................................................................................................41
PVHC electrical actuation.......................................................................................................................................................42
PVHC connector pin layout...................................................................................................................................................42
PVHC technical characteristics.............................................................................................................................................43
Technical Information
PVG 16 Proportional Valve Group
Contents
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 3
PVG 16 dimensions
PVG 16................................................................................................................................................................................................44
PVG 32/16......................................................................................................................................................................................... 46
PVG 100/16.......................................................................................................................................................................................48
PVG 120/16.......................................................................................................................................................................................50
PVB 120/16 combination dimensions.................................................................................................................................... 51
Installation
PVG 16 installation.........................................................................................................................................................................52
Application examples
PVG 16 application schematic...................................................................................................................................................53
PVG 32/16 application schematic............................................................................................................................................ 54
PVG 100/16 application schematic..........................................................................................................................................54
PVG 120/16 application schematic..........................................................................................................................................55
Hydraulic system
Hydraulic system efficiency........................................................................................................................................................56
Fixed displacement system with constant flow ...........................................................................................................56
Variable displacement system with constant pressure.............................................................................................. 56
Variable displacement system with load sense.............................................................................................................56
PVG 16 modules and code numbers
PVG 16 modules assembly..........................................................................................................................................................58
PVP – Pump side modules code numbers............................................................................................................................ 59
PVB – Basic work modules code numbers............................................................................................................................60
PVE – Electrical actuation modules code numbers........................................................................................................... 60
PVBS – Main spools code numbers..........................................................................................................................................61
PVLP – Shock and Anti-cavitation valves code numbers.................................................................................................61
PVAS – Assembly kits code numbers......................................................................................................................................62
PVS – End plate code numbers.................................................................................................................................................63
PVM – Mechanical actuation modules code numbers.....................................................................................................63
PVH, PVMD code numbers..........................................................................................................................................................63
Accessories code numbers.........................................................................................................................................................63
Order specification
Technical Information
PVG 16 Proportional Valve Group
Contents
4 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
Literature reference for PVG products
Literature reference
Literature title Type Order
number
PVG 32 Proportional Valve Group Technical Information 520L0344
PVG 100 Proportional Valve Group Technical Information 520L0720
PVG 120 Proportional Valve Group Technical Information 520L0356
PVG 32 Metric ports Technical Information 11051935
PVE Series 4 Technical Information 520L0553
PVED-CC Electro-hydraulic actuator Technical Information 520L0665
PVED-CX Electro-hydraulic actuator Technical Information 11070179
PVE-CI Technical Information L1505234
Basic module for PVBZ Technical Information 520L0721
PVSK module with integrated diverter valve and P-disconnect function Technical Information 520L0556
PVPV / PVPM pump side module Technical Information 520L0222
Combination module PVGI Technical Information 520L0405
PVSP/M Priority module Technical Information 520L0291
Hitch Control System Description 11036124
User Manual 11033753
PVBZ Data Sheet 520L0681
PVBZ-HS Data Sheet 520L0956
PVBZ-HD Data Sheet 11035599
MC024-010 and MC024-012 Controllers Data Sheet 520L0712
Technical Information
PVG 16 Proportional Valve Group
Reference
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 5
PVG 16 introduction
The PVG 16 is a hydraulic load sensing proportional valve group designed to give maximum flexibility in
design and build concept. The PVG 16 is designed as a load sensing directional control valve which will
lead to increased application efficiency, reducing cooling requirements and fuel saving compared to
conventional directional control valves. When the pump is started and the main spools in the individual
basic modules (6) (see PVG 16 sectional view on page 7) are in the neutral position, oil flows from the
pump, through connection P, across the pressure adjustment spool (4) to tank. The spring in the pressure
adjustment spool determines the pump pressure (stand-by pressure) in neutral.
When one or more of the main spools are actuated, the highest load pressure is fed through the shuttle
valve circuit to the spring chamber behind the pressure adjustment spool (4), and completely or partially
closes the connection to tank. Pump pressure is applied to the right-hand side of the pressure
adjustment spool (4). The pressure relief valve (1) will open should the load pressure exceed the set value,
diverting pump flow back to tank.
With a non pressure-compensated basic module incorporating a load drop check valve (8) in channel P,
the check valve prevents return oil flow.
The basic module can be supplied without the load drop check valve in channel P for functions with over-
centre valves.
The shock and suction valves PVLP (7) with fixed setting on ports A and B are used for the protection of
the individual working function against overload and/or cavitation.
In the closed center version an orifice (3) and a plug (5) have been fitted instead of the plug (2). This
means that the pressure adjustment spool (4) will only open to tank when the pressure in channel P
exceeds the set value of the pressure relief valve (1).
Alternatively a dedicated PVPV inlet for variable displacement pumps can be used. In load sensing
systems the load pressure is led to the pump regulator via the LS connection. In the neutral position the
pump control sets the displacement so that leakage in the system is compensated for, to maintain the set
stand-by pressure.
When a main spool is actuated the pump regulator will adjust the displacement so that the set
differential pressure between P and LS is maintained. The pressure relief valve (1) in PVP should be set at
a pressure of approx. 30 bar [435 psi] above maximum system pressure (set on the pump or external
pressure relief valve).
The PVG 16 is part of a whole family of PVG valves spanning a wide range of flow options. A common
feature is the modular build concept combining stacks of flexible slice-sections across the families thus
making it possible to build up a valve group to meet requirements exactly. The width and height of the
valve remain unchanged whatever combination is specified.
The PVB 16 is available as a compensated basic module giving the features of load-independent flow
control:
•
Oil flow to an individual work function is independent of the load pressure of this function
•
Oil flow to one function is independent of the load pressure of other functions.
The PVB 16 employs the same compensation principle as the proven technology of the PVB 32 - the
compensator maintains a constant pressure drop across the main spool (PVBS).
Technical Information
PVG 16 Proportional Valve Group
General Information
6 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
PVG 16 sectional view
T P
M
LS
B
BA
1
2+3
4
5
6
7
8
V310 361.B
Legend:
1. Pressure relief valve
2. Plug, open center
3. Orifice, closed center
4. Pressure adjustment spool
5. Plug, closed center
6. Main spool
7. Shock and suction valve, PVLP
8. Compensator or load drop check valve
(Figure shown is a load drop check valve)
PVG 16 general features
•
Load sensing directional control:
‒
Proportional control of oil flow to a work function
•
Modular build concept:
‒
Up to 12 basic modules per PVG 16 valve group
‒
Different, interchangeable spool variants
‒
System pressure up to 350 bar [5075 psi]
‒
Several types of port connection threads
‒
Possible combination with the rest of the PVG family either PVG 32, PVG 100 or PVG 120
Technical Information
PVG 16 Proportional Valve Group
General Information
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 7
PVP and PVS from PVG 32 portfolio
The PVG 16 interfaces directly with the PVG 32 product line. The PVG 16 valve is designed to be used with
the existing PVP and PVS in the product portfolio from the PVG 32 family. When specifying a PVG 16 valve
stack please refer to PVG 32 Technical Information, 520L0344 for detailed information on PVP and/or PVS.
Standard build (stack) of PVG 16 valve
Inlet section (PVP reused from the PVG 32 portfolio), 1–12 work sections (PVB) with individual flow
controlling spools and end section (PVS reused from the PVG 32 portfolio). Each work section is actuated
by manual lever, (PVM), electrical control signal (PVE) or hydraulic control signal (PVH).
Combining PVG family into a single valve stack
The PVG 16 can be used in conjunction with the other valves in the PVG family by combining them into a
single valve stack. Hence a valve stack of PVG 32/16, PVG 100/16 or PVG 120/16 can be assembled. In a
PVG 32/16 build no interface module is required as a PVG 16 slice can replace a PVG 32 slice. In a PVG
100/16 or PVG 120/16 build the standard interface modules known today (PVTI and PVGI respectively) are
used.
PVG 16 Technical data
PVG 16 Technical data
Maximum pressure Port P Continuous
350 bar
1)
[5075 psi]
1)
Port P Intermittent
400 bar [5800 psi]
Port A/B Continuous
380 bar [5510 psi]
Port A/B Intermittent
420 bar [6090 psi]
Port T, static/dynamic
25/40 bar [365/580 psi]
Oil Flow Rated Port P
140/230 l/min [37/61 US gal/min]
Port A/B
65 l/min @
10 bar pressure drop
[17 US gal/min @
145 psi pressure drop]
Spool Travel Deadband
± 1.5 mm [± 0.06 in]
Proportional range
± 5.0 mm ± 0.2 in]
Float position
± 7.5 mm [± 0.3 in]
Minimum Internal
leakage
at 100 bar [1450 psi] and
21 mm
2
/s [102 SUS]
A/B → T without shock
valve
20 cm
3
/min [1.85 in
3
/min]
A/B → T with shock valve
(system setting 30 bar
[435 psi]
25 cm
3
/min [2.15in
3
/min]
Oil temperature
(inlet)
Recommended range
30 → 60 °C [86 → 140 °F]
Minimum
-30 °C [-22 °F]
Maximum
90 °C [194 °F]
Ambient Temperature
-30 → 60 °C [-22 → 140 °F]
Oil Viscosity Operating range
12 - 75 mm
2
/s [65 - 347 SUS]
Minimum
4 mm
2
/s [39 SUS]
Maximum
460 mm
2
/s [2128 SUS]
Filtration
Maximum contamination
(ISO 4406)
23/19/16
PVM regulating range Proportional
13.9°
Float position
22.3°
Technical Information
PVG 16 Proportional Valve Group
General Information
8 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
PVG 16 Technical data (continued)
PVM operating force PVM +
PVMD
PVM + PVE
2)
Neutral 2.2 ±0.2 N•m [5.0 ± 1.8 lbf•in]
Maximum
stroke
2.8 ±0.2 N•m [6.3 ± 1.8lbf•in]
PVM + PVH Neutral
2.7 ±0.2 N•m [23.9 ± 1.8 lbf•in]
Maximum
stroke
7.1 ±0.2 N•m [62.8 ± 1.8 lbf•in]
PVH pressure Regulating range
5 – 15 bar [75 – 220 psi]
Maximum pilot pressure
30 bar [435 psi]
Maximum pressure on T-
port
10 bar [145 psi]
PVE Input Voltage
3)
Supply
11 – 32 V
DC
Regulating range
25 – 75% of Supply voltage
PVE SP pin output
voltage
3)
Float
0.5 V
DC
Flow to B-port
1.25 – 2.5 V
DC
Neutral
2.5 V
DC
Flow to A-port
2.5 – 3.75 V
DC
Error
5 V
DC
1)
With PVSI end plate. Using PVS end plate maximum 300 bar [4351 psi].
2)
PVE without voltage.
3)
Voltage is measured between spool output pin and ground (GND)
Technical Information
PVG 16 Proportional Valve Group
General Information
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 9
General safety considerations
All types and brands of control valves, including proportional valves, can fail. Therefore, the necessary
protection against the serious consequences of a functional failure should always be built into the
system. For each application an assessment should be made for the consequences of the system in case
of pressure failure and uncontrolled or blocked movements.
W
Warning
It is the sole responsibility of the machine manufacturer to ensure that all performance, safety, and
warning requirements of the application are met in his selection of products. The process of choosing the
control system and subsequent safety levels is governed by the machine directive EN 13849.
Control system example
An example of a control system using an aerial lift is shown below. Even though many Danfoss
components are shown the example is concentrating on the PVG 16 control system.
This example breaks down the control system into smaller bits explaining the architecture in depth.
The function of the control system is to use the output from the PVEA Series 6 together with other
external sensors to ensure the PLUS+1
®
main controllers correct function of the aerial lift.
Electrical block diagram for the illustration below
Main power supply
HMI/joistick
Main controller
Movement detection sensors
PVG 16 main valve
Emergency stop/
Man-present
Hydraulic deactivation
Supply
SP pin
Signal
conditioning
Signal
conditioning
Failure
detection
Supply
control
Neutral
detection
P301 877.A
Technical Information
PVG 16 Proportional Valve Group
Safety in systems
10 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
Example of a control system for manlift using PVE Fault monitoring input signals and signals from external
sensors to ensure the PLUS+1
®
main controllers correct function of the manlift.
A: Main power supply
B: Emergency stop/man-present switch
C: HMI/Joystick control
D: Movement detection sensors
E: Main controller
F: PVG 16 valve group
G: Hydraulic supply with deactivation
W
Warning
The equipment manufacturer is responsible for declaring that the control system used in the machine
conforms with the relevant machinery directives.
Technical Information
PVG 16 Proportional Valve Group
Safety in systems
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 11
PVB work ports, interchangeable spools
The PVB (work section) is dedicated to distribute the oil flow coming from the inlet section through the P-
gallery across the flow regulating main spool (PVBS) to work port A or B. Furthermore, the PVB returns the
flow coming from the implement (motor or cylinder) through the work port A or B across the main spool
to the T-gallery.
The PVB is available with two different work port threads:
•
3/8” BSP
•
3/4”–16 UNF (SAE-8)
Due to the modular concept of the PVG valves, the PVG 16 main spool (PVBS) can be interchanged by any
other version of the PVG 16 main spool.
PVB work ports (A and B)
Versions available:
1. Compensated PVB 16 modules:
•
Basic module
•
Basic module with facilities for shock and anti-cavitation valves (PVLP/PVLA)
•
Basic module with one common LS for port A and port B
2. Non-compensated PVB 16 modules:
•
Basic module
•
Basic module with P-channel check valve
•
Basic module with facilities for shock and anti-cavitation valves (PVLP/PVLA)
•
Basic module with both P-channel check valve and facilities for shock and anti-cavitation valves
(PVLP/PVLA)
3. P-channel check valve
4. Shock valves (PVLP)
W
Warning
Activation of many functions simultaneously can cause a reduced operating speed in sections with high
load.
Activation of a section with high pressure requirement in the same time as a section with low load can
increase operating speed in the second section.
P-channel check valve
To prevent return oil flow, thereby lowering the load P-channel check valve can be incorporated.
For applications with over-center valves versions without the P-channel check valve are also available.
Shock valves (PVLP)
Shock valves (PVLP) with fixed pressure setting are used for protection of the individual work function
against overload by removing any transient pressure spikes generated by the load.
Technical Information
PVG 16 Proportional Valve Group
PVB – basic modules (work sections)
12 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
PVB Basic Work Modules – hydraulic schematics and code numbers
PVB Compensated Basic work module
Hydraulic schematics and code numbers
Symbol PVB description / Port Code number
P301 831.A
2
0
1
B
A
Compensated PVB 3/8” BSP 11130976
3/4” -16 UNF
(SAE-8)
11130977
2
0
1
P301 832.A
B
A
Compensated PVB with
facilities for shock and anti-
cavitataion valves (PVLP/PVLA
3/8” BSP 11130978
3/4” -16 UNF
(SAE-8)
11130979
P301 833.A
2
0
1
B
A
Compensated PVB with
With one common adjustable
LS valve for port A and port B
3/8” BSP 11130982
3/4” -16 UNF
(SAE-8)
11130983
PVB Non-compensated Basic work module
Hydraulic schematics and code numbers
Symbol PVB description / Port Code number
Basic work module
without P-channel check valve
without Shock valves (PVLP)
3/8” BSP 11101421
3/4” -16 UNF
(SAE-8)
11101423
Basic work module
without P-channel check valve
with Shock valves (PVLP)
3/8” BSP 11106754
3/4” -16 UNF
(SAE-8)
11106755
Technical Information
PVG 16 Proportional Valve Group
PVB – basic modules (work sections)
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 13
Hydraulic schematics and code numbers (continued)
Symbol PVB description / Port Code number
Basic work module
with P-channel check valve
without Shock valves (PVLP)
3/8” BSP 11106801
3/4” -16 UNF
(SAE-8)
11106797
Basic work module
with P-channel check valve
with Shock valves (PVLP)
3/8” BSP 11101424
3/4” -16 UNF
(SAE-8)
11101425
Technical Information
PVG 16 Proportional Valve Group
PVB – basic modules (work sections)
14 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
PVB oil flow characteristics
The oil flow from the work ports depends on the type of pump and in turn pump module. The difference
is fixed displacement (Open Center) or variable displacement (Closed Center).
The letters AA, A, B, C and D denotes the spool flow sizes ranging from 5 l/min to 65 l/min [from 1.32
to17.17 US gal/min]. All tests are done by using Tellus32 @ 21mm
2
/s.
Load-independent oil flow characteristic, pressure-compensated PVB
10
20
30
40
50
60
70
50 100 150 200 250
l/min
US gal/min
bar
psi
13.2
2.6
5.3
7.9
10.6
15.9
17.2
725 1450 2176 2901 3626
V310476.A
LS pressure limiting
10
20
30
40
50
60
70
50 100 150 200 250 300 350
l/min US gal/min
bar
psi
13.2
2.6
1.3
5.3
7.9
6.6
10.6
15.9
14.5
17.2
725 1450 2176 2901 3626 4351 5076
P301 809
= 5 D (65 l/min)
= 4 C (40 l/min)
= 3 B (25 l/min)
= 2 A (10 l/min)
= 1 AA (5 l/min)
Technical Information
PVG 16 Proportional Valve Group
PVB – basic modules (work sections)
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 15
Oil flow as a function of spool travel with Open Center PVP
AA
A
B
C
D
1
1
6
6
10
20
30
40
50
60
70
mm1 2 3 4 5
[10]
[15]
[5]
Q
l/min
[US gal/min]
PVM
[in][0.04] [0.08] [0.12] [0.16] [0.2]
P005 595E.B
The flow is dependent on the supplied flow, Qp.
The characteristics apply to supply oil of 130 l/min [34.3 US gal/min].
The numbers 1 and 6 refer to the position of the PVB in the valve stack.
Oil flow as a function of spool travel with Closed Center PVP
AA
A
B
C
D
1
1
6
6
10
20
30
40
50
60
70
[10]
[15]
[5]
Q
l/min [US gal/min]
PVM
mm
1
2
3
4
5
[in]
[0.04] [0.08]
[0.12]
[0.16]
[0.2]
80
[20]
P005 596E.B
Technical Information
PVG 16 Proportional Valve Group
PVB – basic modules (work sections)
16 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
The flow is dependent on the pressure difference between the pump pressure and the LS signal.
Normally the pressure difference is set at the LS pump regulator.
Set pressure difference between pump pressure and LS signal = 20 bar [290 psi].
PVLP is set at an oil flow of 10 l/min [2.6 US gal/min]. The shock valve PVLP is designed to absorb shock
effects. Consequently, it should not be used as a pressure relief valve.
Oil flow characteristics – PVLP/PVLA, PVP
PVLP shock valve PVLP/PVLA suction valve
PVP modules, Pilot pressure curves
157-520.11
0
0 1 2 l/min
bar
20
10
15
5
3 4 5
psi
50
100
150
200
250
300
0
0 0.25 0.5 0.75 1.0 1.25 US gal/min
Max.
Min.
Technical Information
PVG 16 Proportional Valve Group
PVB – basic modules (work sections)
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 17
Pressure drop through P-line
Pressure drop through T-line
Technical Information
PVG 16 Proportional Valve Group
PVB – basic modules (work sections)
18 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
Pressure drop through Pp-line
Technical Information
PVG 16 Proportional Valve Group
PVB – basic modules (work sections)
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 19
PVBS sectional view
PVBS (spool shown)
Flow control, spool characteristic
The spool is directly controlling the oil flow to and from the work ports. This flow is directly proportional
with the spool travel. The spool travel is made up of 1.5 mm [0.06 in] dead band and 3.5 mm [0.14 in]
active region in each direction giving 0-full flow.
An additional 2.5 mm [0.1 in] travel in one direction in order to accommodate float functionality can be
used dependant on choice of PVM.
Flow control
The spools are designed in such a way that the oil flow coming from the pump to the work ports are
controlled by the spool travel. When the spool is moved it forms a variable orifice between the P-gallery
and one work port and between the other work port and the T-gallery. The size of the orifice is directly
linked to the traveled distance of the spool.
Spools characteristic
The spools characteristic is linear with a soft start. The spool will have a progressive behavior from neutral
to 10% of the full flow. From there it will be linear all the way to maximum flow.
Versions available:
1. Different flow versions
2. Open/closed in neutral
3. Float
4. Asymmetric spools
PVBS spool – Different flow versions
All the spools are flow controlled 4/4 spools. The spool comes in 5 different flow versions, all with a
symmetrical flow:
•
5 l/min [1.32 US gal/min],
•
10 l/min [2.64 US gal/min],
•
25 l/min [6.60 US gal/min],
Technical Information
PVG 16 Proportional Valve Group
PVBS – main spool
20 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
•
40 l/min [10.57 US gal/min],
•
65 l/min [17.17 US gal/min]
The flow specified is at 10 bar [145 psi] with 21 mm
2
/ sec [97 SUS].
PVBS spool – Open/closed in neutral versions
The main spools for the PVG 16 are available with two different functions in neutral – open or closed.
Open in
neutral
means that there is a throttled open connection across the main spool from both work
ports A and B to the T-gallery. Open in neutral is generally used together with
hydraulic motors.
Closed in
neutral
means that there is no connection from work port A or B to the T-gallery across the
main spool. Closed in neutral spools are generally used together with cylinders.
W
Warning
Using Closed in neutral spools together with a hydraulic motor can cause a sudden and abrupt stop of the
rotation.
PVBS spool – Float versions
A spool with float function as well as normal actuation is capable of opening a connection between both
work ports A and B to the T-gallery. This makes it possible for the oil in the e.g. cylinder to flow freely to
the tank and the oil in the tank to flow freely from the tank to the work ports.
This connection is opened when actuating 7.5 mm to the B direction (normal proportional control ends
at 5 mm).
Float is used if an application is to move freely back and forth to e.g. follow rough terrain.
PVBS spool – Asymmetrical versions
Asymmetrical main spools are designed for use with cylinders whose rod and piston sides differ greatly in
volume. When operating with a symmetrical main spool, the difference in volume causes the cylinder’s
speed to be different in lifting versus lowering situations, given the same set point.
If you want the same speed both in lifting and in lowering situations, you need an asymmetrical main
spool.
Asymmetrical spools have a linear flow characteristic with a progressive soft start. The soft start
guarantees a good resolution in the low flow area where fine metering is needed.
Technical Information
PVG 16 Proportional Valve Group
PVBS – main spool
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 21
Asymmetrical spools linear flow characteristics with a progressive soft start
10
20
30
40
50
60
70
mm
l/min
USgal/
min
0
13.2
2.6
5.3
7.9
10.6
15.9
18.5
in
-0.32
0.280.04-0.04-0.12 0.12 0.2-0.2-0.28
0.320.240.160.08-0.08-0.16-0.24
-8 -7 -6 -5 -4 -3-3 -2-2 -1-1 00 11 22 33 44 55 66 77 88
P301 835.A
How to select correct PVBS main spool
How to select PVBS main spool - Calculate your cylinder’s piston-rod ratio using the formula.
1. Calculate your cylinder’s piston-rod ratio using the formula below.
D
1
2
D
1
2
- D
2
2
P301 836.B
D
1
D
2
Example conditions (use with PVE):
•
Flow request = 25 l/min
•
Piston diameter D
1
= 150 mm
•
Rod diameter D
2
= 100 mm
Technical Information
PVG 16 Proportional Valve Group
PVBS – main spool
22 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
D
1
2
D
1
2
- D
2
2
(150 mm)
2
(150 mm)
2
- (100 mm)
2
=
= 1.8
2. Find the right asymmetrical main spool according to the result in the table.
A piston-rod ratio of 1.8 for spools with a 25 l/min flow cannot be found in the table with code
numbers, see PVBS hydraulic schematics, code numbers on page 23. Therefore, we round to the
nearest ratio (1.6).
The spool with a 25 l/min flow and a cylinder ratio of 1.6 has the code number 11109645.
PVBS Actuation
The main spool in the PVG 16 can be actuated by one of three means:
1. by a lever for a manual actuation
2. by a PVE for an electrical actuation
3. by a PVH for a hydraulic actuation
By actuating the main spool with a PVM or PVE the return spring of the spool will act with a force
equivalent to 77 N [12.5 bar].
By actuating the main spool with a PVH the return spring will act with a force equivalent to 268 N [23 bar].
PVBS hydraulic schematics, code numbers
Symmetrical PVBS main spools, (with float in B-direction)
Symbol Description Code number according to flow, l/min [US gal/min]
5 [1.32] 10 [2.64] 25 [6.60] 40 [10.57] 65 [17.17]
Throttled open neutral position
PVM/PVE actuation
11105537 11105538 11105539 11105540 11105541
Throttled open neutral position
PVH actuation
11109637 11109638 11109639 11109640 11109641
Closed neutral position
PVM/PVE actuation
11105532 11105533 11105534 11105535 11105536
Closed neutral position
PVH actuation
11109632 11109633 11109634 11109635 11109636
Asymmetrical PVBS main spools, (with float in B-direction)
Symbol Description Code number according to flow, l/min [US gal/min]
5/2.5
[1.32/0.66]
10/5
[2.64/1.32]
25/10
[6.60/2.64]
25/15
[6.60/3.96]
40/15
[10.57/3.96]
40/25
[10.57/6.60]
Cylinder ratio 2.0 2.0 2.5 1.6 2.7 1.6
Closed neutral position
PVM/PVE actuation
11109642 11109643 11109644 11109645 11109646 11109647
Closed neutral position
PVH actuation
11146752 11146753 11146754 11146755 11146756 11146757
Technical Information
PVG 16 Proportional Valve Group
PVBS – main spool
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 23
PVBS oil flow characteristics
Oil flow as a function of spool travel
The letters AA, A, B, C and D denotes the spool flow sizes ranging from 5 l/min to 65 l/min [1.32 to17.17
US gal/min]. All tests are done by using Tellus32 @ 21mm
2
/s.
Technical Information
PVG 16 Proportional Valve Group
PVBS – main spool
24 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
Pressure drop to tank for open spool in neutral
300
250
200
150
100
50
0
Flow (l/min)
0 10 20 30 40 50 60
D Pressure (bar)
AA
A
B
C
D
P005 601E
Pressure drop at full spool stroke
50
40
30
20
10
0
0 20 40 60 80 100 120
Flow (l/min)
P005 912
∆ Pressure (bar)
Pressure drop in float
200
150
100
50
0
Flow (l/min)
P005 911
∆ Pressure (bar)
0 20 40 60 80 100 120 140
AA A
B
C
D
Technical Information
PVG 16 Proportional Valve Group
PVBS – main spool
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 25
PVM and PVH general information
The PVM and PVH are two ways of mechanically controlling the flow from the work ports. The flow is
controlled either by an operator using a lever or from a distance by a hydraulic joystick.
These are types of mechanical actuation modules for the PVG 16:
1. PVM – a fully manual lever controlled module
•
PVM with float control
•
PVM without adjustment screws
•
PVM with adjustment screws
2. PVH – a hydraulic controlled module
PVM sectional view (PVMD - cover)
PVM actuation module
The PVM consists of an aluminum base mounted on the end of the valve slice and a lever. When
actuating the lever the operator is directly pulling or pushing on the main spool inside the valve hence
controlling the flow. The lever has a travel of 16° in either direction from neutral. Actuating the lever will
fully move the spool all 5 mm and give full flow. The lever can be mounted / removed without having to
remove the PVM base. The PVM can be combined with any PVE, PVH or PVMD (cover).
PVM actuation module
A
B
Versions available:
PVM with float
control
If an application with float functionality is needed this PVM is used. It is used when
float position is with manual operator actuation. There are no adjustment screws
Technical Information
PVG 16 Proportional Valve Group
PVM and PVH – mechanical actuation modules
26 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
available for this PVM version. The setting of this PVM is 5 mm spool travel in the A
direction and 7.5 mm spool travel in the B direction giving float.
PVM without
adjustment
screws
The standard PVM without adjustment screws will allow a spool travel of 5 mm in
either direction. Full lever movement to one side will give full flow to the work
ports. When the spool is moved 5 mm it will stop due to a mechanical limitation
build into the PVM base.
PVM with
adjustment
screws
The standard PVM without adjustment screws will allow a spool travel of 5 mm in
either direction. The spool travel in either direction can be limited by the
adjustment screws. This will limit the flow out of the work ports thereby reducing
the speed of an application.
The spool travel is adjusted by first loosening the nut then adjusting the pinol screw. After adjustment
the nut must be tightened again.
PVM tightening data
V310367.A
8 ±1 N•m
[71±9 lbf•in]
10 [0.40]
3 [0.12]
PVH actuation module
The PVH is an aluminum plate with two threaded connections. When applying pressure though one of
the ports, one side of the spool is pushed to one direction hence flow is coming from the work ports.
The PVH is available in two types of connector thread types:
•
¼ BSP
•
½” –20 UNF
When using the PVH a spool designed for hydraulic actuation must be chosen. These spools have a stiffer
spring designed for the higher actuation pressure used in systems with hydraulic controls.
The PVH is to be combined with a PVM.
Technical Information
PVG 16 Proportional Valve Group
PVM and PVH – mechanical actuation modules
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 27
PVH actuation module
A
B
V310363.B
PVM/PVH hydraulic symbols and code numbers
Symbol Description Comments Code number
PVM
Manual actuation
Without adjustment screws
Without float
Without lever 11107505
With lever 11107333
PVM
Manual actuation
Without adjustment screws
With float
Without lever 11107506
With lever 11107335
PVM
Manual actuation
With adjustment screws
Without float
Without lever 11107507
With lever 11107332
1
0
2
157-199.11
PVH
Hydraulic cover
¼ “ BSP 11108380
UNF ½” -20 11108381
- PVMD Cover for PVM 11105518
Technical Information
PVG 16 Proportional Valve Group
PVM and PVH – mechanical actuation modules
28 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
PVM/PVH oil flow characteristics
Oil flow as a function of spool travel
The letters AA, A, B, C and D denotes the spool flow sizes ranging from 5 l/min to 65 l/min [1.32 to17.17
US gal/min]. All tests are done by using Tellus32 @ 21mm
2
/s.
Technical Information
PVG 16 Proportional Valve Group
PVM and PVH – mechanical actuation modules
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 29
PVAS design
The PVAS consists of three tie rods, six washers and six nuts. The tie rods are inserted through the entire
length of the PVG valve stack. The nuts are tightened at the pump side and the end plate.
For certain combinations with PVG 100/16, PVG 120/16 and some PVS 32 the tie rod are thread-mounted
into the interface.
Technical characteristics for PVAS
h28 ±2Nm
[248 ±18 lbf•in]
V310 366.B
13 [0.51]
Technical Information
PVG 16 Proportional Valve Group
PVAS
30 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
Module selection guide
Module type according to module width
Module type Module width
PVB 32 / PVP / PVSK 48 mm [1.89 in]
PVB 16 40 mm [1.57 in]
PVS 23 mm [0.91 in]
PVAS modules according to accumulated module width interval
PVAS code numbers
Accumulated module width interval PVAS code number
Metric (mm) Imperial [in]
Minimum Maximum Minimum Maximum
48 72 [1.89] [2.83] 157B8000
73 96 [2.87] [3.78] 157B8031
97 120 [3.82] [4.72] 157B8001
121 144 [4.76] [5.67] 157B8021
145 168 [5.71] [6.61] 157B8002
169 192 [6.65] [7.56] 157B8022
193 216 [7.60] [8.50] 157B8003
217 240 [8.54] [9.45] 157B8023
241 264 [9.49] [10.39] 157B8004
265 288 [10.43] [11.34] 157B8024
289 312 [11.38] [12.28] 157B8005
313 336 [12.32] [13.23] 157B8025
337 360 [13.27] [14.17] 157B8006
361 384 [14.21] [15.12] 157B8026
385 408 [15.16] [16.06] 157B8007
409 432 [16.10] [17.01] 157B8027
433 456 [17.05] [17.95] 157B8008
457 480 [17.99] [18.90] 157B8028
481 504 [18.94] [19.84] 157B8009
505 528 [19.88] [20.79] 157B8029
529 552 [20.83] [21.73] 157B8010
553 576 [21.77] [22.68] 157B8030
577 600 [22.72] [23.62] 157B8061
601 624 [23.66] [24.57] 157B8081
625 648 [24.61] [25.51] 157B8062
649 672 [25.55] [26.46] 157B8082
PVG 100 and PVG 120 have their own tie rod portfolio and is not included in the table above.
Technical Information
PVG 16 Proportional Valve Group
PVAS
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 31
PVAS (Standard) modules according to PVG 32/PVG 16 configuration
PVAS standard code numbers – 157B8xxx
No. of
PVB32
No. of PVB 16 modules – 157B8xxx
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0
000 001 002 022 023 024 005 006 007 027 028 029 010 061 062 082
1
001 002 003 023 024 025 006 007 008 028 029 030 061 062 – –
2
002 003 004 024 025 026 007 008 009 029 030 081 062 – – –
3
003 004 005 025 026 027 008 009 010 030 081 082 – – – –
4
004 005 006 026 027 028 009 010 061 081 082 – – – – –
5
005 006 007 027 028 009 010 061 062 082 – – – – – –
6
006 007 008 028 009 010 061 062 – – – – – – – –
7
007 008 009 029 030 081 062 – – – – – – – – –
8
008 009 029 030 081 082 – – – – – – – – – –
9
009 010 061 081 082 – – – – – – – – – – –
10
010 061 062 082 – – – – – – – – – – – –
11
061 062 – – – – – – – – – – – – – –
12
062 – – – – – – – – – – – – – – –
PVAS (Mid-inlet) modules according to PVG 32/PVG 16 configuration
PVAS mid-inlet code numbers – 157B8xxx
No. of
PVB32
No. of PVB 16 modules – 157B8xxx
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
0
031 021 022 003 004 005 025 026 027 008 009 010 030 081 082
1
021 022 023 004 005 006 026 027 028 009 010 061 081 082 –
2
022 023 024 005 006 007 027 028 029 010 061 062 082 – –
3
023 024 025 006 007 008 028 029 030 061 062 – – – –
4
024 025 026 007 008 009 029 030 081 062 – – – – –
5
025 026 027 008 009 010 030 081 082 – – – – – –
6
026 027 028 009 010 061 081 082 – – – – – – –
7
027 028 029 010 061 062 082 – – – – – – – –
8
028 029 030 061 062 – – – – – – – – – –
9
029 030 081 062 – – – – – – – – – – –
10
030 081 082 – – – – – – – – – – – –
11
081 082 – – – – – – – – – – – – –
12
082 – – – – – – – – – – – – – –
Technical Information
PVG 16 Proportional Valve Group
PVAS
32 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
PVAS PVSK modules according to PVG 32/PVG 16 configuration
PVAS mid-inlet code numbers – 157B8xxx
No. of
PVB32
No. of PVB 16 modules – 157B8xxx
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
0
031 021 022 003 004 005 025 026 027 008 009 010 030 081 082
1
021 022 023 004 005 006 026 027 028 009 010 061 081 082 –
2
022 023 024 005 006 007 027 028 029 010 061 062 082 – –
3
023 024 025 006 007 008 028 029 030 061 062 – – – –
4
024 025 026 007 008 009 029 030 081 062 – – – – –
5
025 026 027 008 009 010 030 081 082 – – – – – –
6
026 027 028 009 010 061 081 082 – – – – – – –
7
027 028 029 010 061 062 082 – – – – – – – –
8
028 029 030 061 062 – – – – – – – – – –
9
029 030 081 062 – – – – – – – – – – –
10
030 081 082 – – – – – – – – – – – –
11
081 082 – – – – – – – – – – – – –
12
082 – – – – – – – – – – – – – –
PVAS modules according to PVG 100/16 or PVG 120/16 configuration
PVAS part numbers – 157B8xxx
No. of
PVB32
No. of PVB 16 modules – 157B8xxx
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0
– 000 001 021 022 023 004 005 006 026 027 028 009 010 061 081
1
000 001 002 022 023 024 005 006 007 027 028 029 010 061 062 082
2
001 002 003 023 024 025 006 007 008 028 029 030 061 062 – –
3
002 003 004 024 025 026 007 008 009 029 030 081 062 – – –
4
003 004 005 025 026 027 008 009 010 030 081 082 – – – –
5
004 005 006 026 027 028 009 010 061 081 082 – – – – –
6
005 006 007 027 028 029 010 061 062 082 – – – – – –
7
006 007 008 028 029 030 061 062 – – – – – – – –
8
007 008 009 029 030 081 082 – – – – – – – – –
9
008 009 010 030 081 082 – – – – – – – – – –
10
009 010 061 081 082 – – – – – – – – – – –
11
010 061 062 082 – – – – – – – – – – – –
12
061 062 – – – – – – – – – – – – – –
Technical Information
PVG 16 Proportional Valve Group
PVAS
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 33
PVE features
•
Electrical actuation
•
Spool position output
•
Fault monitoring
•
Power save
PVE actuation module
The PVE is a means of controlling the flow of the work ports at a distance from the physical valve. The
flow is controlled by sending a control signal to the PVE. Result is the spool position being proportional
to the electric signal.
PVEO/A/-F hydraulic subsystem
P301 876.A
Set point
Output
Feedback
Electronic
Closed loop control
Electrical actuation
The PVEA is powered by the DC voltage source available on the application with any voltage between 11
and 32 V
DC
inclusive. The control signal for the PVEA is a ratio-metric signal with reference to the supply
voltage.
Technical Information
PVG 16 Proportional Valve Group
PVE – electrical actuation modules
34 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
Oil flow as a function of spool travel
1
1
6
6
Q
L/min
[US gal/min]
1
2
3
4
5
1 2
3 4 5
6 7
PVE
U
s
/U
DC
25 [%]
50 [%]
75 [%]
SP V
DC
3.75 2.50 1.25
0.50
PVM
mm
10
20
30
40
50
60
70
[10]
[15]
[5]
[0.04]
[0.08]
[0.12]
[0.16]
[0.2] [0.04] [0.08]
[0.12]
[0.16] [0.2] [0.24]
[0.28]
[in]
[V]
AA
A
B
C
D
P005 598E.B
Giving the PVEA a control signal of 50% of supply voltage will make it place the spool in its neutral
position, hence no flow to the work ports. A signal (U
s
, U
DC
) between 25-50% or between 50-75% will
make the spool move in either direction. At 25 and 75% the spool will be at full stroke at either side.
The PVEA and PVEA-F features an integrated feedback transducer that measures spool movement in
relation to the input signal. This feedback is part of the closed loop control of the spool position making
the PVEA and PVEA-F capable of compensating for changes in the flow forces on the spool, pilot pressure
or the viscosity of the oil.
The PVEO is powered by a fixed voltage of either 12 or 24 V
DC
. Applying this voltage to one of two pins
will make the PVEO actuate the spool to full stroke. When removing the voltage again the spool will
return to neutral position.
Spool position output
The PVEA has a build in spool monitoring circuit. This circuit is communicating to the surroundings by an
analogue 0-5 V
DC
pin. The translation between a voltage out on the pin to spool movement can be found
in the technical characteristics section of this chapter.
The voltage outputted between 1.25 to 2.5 V
DC
and 2.5 to 3.75 V
DC
is directly proportional to the position
of the spool and therefore the flow.
The PVEO has no spool position output pin.
Technical Information
PVG 16 Proportional Valve Group
PVE – electrical actuation modules
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 35
Fault monitoring
When the voltage on the SP-pin goes to 5 V
DC
the PVEA has detected an error. The error detection is
monitoring the sanity of the command signal, comparing the spool position with the command signal
and the closed loop control.
Besides outputting 5 V
DC
on the spool position pin the PVEA will change the color of the LED for visual
recognition of the error. Normally the LED would light green, but in case of a command signal error the
LED will be flashing red. If any of the other two errors occur the LED will change its color to constant red.
The PVEO has no fault monitoring.
Power save
The PVEA has a power save mode. This mode is entered when the command signal to the PVEA is below
15% of the supply voltage. Entering power save mode will turn off the power to the solenoid valves.
Power save mode can be identified by the LED blinking green at 1 Hz.
The PVEO has no power save mode.
PVEO/A code numbers
PVEO/A versions and code numbers
Description Code number
PVEO, electrical actuation, ON/OFF control 12 V
DC
control signal 11106793
24 V
DC
control signal 11106794
PVEA, electrical actuation, proportional control 11103692
PVEA-F, electrical actuation, proportional control, with float in B-direction 11106795
PVE-CI code numbers
PVE-CI versions and code numbers
Description Code number
PVEO-CI J1939/ISObus 11124002
PVEA-CI 11121945
PVEO-CI CANopen 11149443
PVEA-CI 11149437
Refer to PVE-CI, Series 6, Technical Information L1505234 for further information.
PVEA pin connector layout
The PVEA is available as the PVE for proportional control of the spool. It has a 4 pin DEUTSCH connector.
Technical Information
PVG 16 Proportional Valve Group
PVE – electrical actuation modules
36 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
1
23
4
V310 358.A
Legend:
1. Vi (signal pin)
2. Sp (spool position)
3. Vneg (÷)
4. Vbat (+)
PVEA-F pin connector layout
The PVEA-F is available for float options. It has a 6 pin DEUTSCH connector where the float command has
a dedicated pin. All features in the PVEA is also in the PVEA-F.
1
2
34
5
6
V310 359.A
Legend:
1. Vi (signal pin)
2. NC (not connected)
3. Vf (float)
4. Sp (spool position)
5. Vneg (÷)
6. Vbat (+)
W
Warning
When PVEA-F is given float command it will actuate the spool into float state no matter what position in
spool has or set point given to PVEA-F.
PVEO pin connector layout
The PVEO is available for simple ON/OFF actuation of the main spool. It has a 4 pin DEUTSCH connector.
1
23
4
V310 358.A
Legend:
1. Supply Vbat when flow is wanted in A direction
2. Vneg (÷)
3. Vneg (÷)
4. Supply Vbat when flow is wanted in B-direction
Technical Information
PVG 16 Proportional Valve Group
PVE – electrical actuation modules
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 37
PVE-CI pin connector layout
1
23
4
1
2
3
4
P301 834.A
Legend:
1. CAN_H
2. CAN_L
3. Vbat (+)
4. Vneg (÷)
PVE technical characteristics
PVEO Technical characteristics
Supply voltage U
DC
Rated
12 V
DC
24 V
DC
Range
11 to 15 V
DC
22 to 30 V
DC
Ripple
Maximum 5 %
Current consumption at rated voltage
320 mA @ 12 V
DC
160 mA @ 24 V
DC
Power consumption at rated voltage
4 W
PVEA / PVEA-F Technical characteristics
Supply voltage U
DC
Rated
11 to 32 V
DC
Range
11 to 32 V
DC
Ripple
Maximum 5 %
Current consumption at rated voltage
320 mA @ 12 V
DC
170 mA @ 24 V
DC
Power consumption at rated voltage
0.5 W
Signal voltage Neutral
0.5 • U
DC
A-port
0.25 • U
DC
B-port
0.75 • U
DC
Signal current at rated voltage
0.25 to 70 mA
Input impedance in relation to neutral
12 kΩ
Input capacitor
100 µF
SP pin current
2 mA
SP pin resolution
250 steps from 0-5 V
DC
PVE-CI Technical characteristics
Supply voltage U
DC
Rated
11 to 32 V
DC
Range
11 to 32 V
DC
Ripple
Maximum 5 %
Technical Information
PVG 16 Proportional Valve Group
PVE – electrical actuation modules
38 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
PVE-CI Technical characteristics (continued)
Current consumption at rated voltage
320 mA @ 12 V
DC
170 mA @ 24 V
DC
Power consumption at rated voltage
0.5 W
For more information, see PVE-CI, Series 6, Technical Information, http://files.danfoss.com/documents/
L1505234.pdf.
SP pin
Voltage Translation
0.5 V
DC
Float (B-direction)
1.25 V
DC
Full flow B-port
2.5 V
DC
Neutral
3.75 V
DC
Full flow A-port
5.0 V
DC
Error
Reaction time for A/B direction
Reaction time PVEO/PVEO-CI PVEA/PVEA-F/PVEA-CI
Neutral to full spool stroke (Power-ON) 170 ms 180 ms
Full spool stroke to neutral (Power-ON) 550 ms 125 ms
Full spool stroke to neutral (Power-OFF) — 550 ms
Oil consumption
PVEO PVEA/PVEA-F
Neutral position
0.04 l/min [0.01 US gal/min] 0.04 l/min [0.01 US gal/min]
Actuating to full stroke
0.6 l/min [0.16 US gal/min] 1.0 l/min [0.26 US gal/min]
Full flow steady state
1.0 l/min [0.26 US gal/min] 1.3 l/min [0.34 US gal/min]
Fault monitoring overview
PVE Fault monitoring Delay before Error out Error mode LED light
PVEA
Passive 250 ms
No fault Green
Input signal faults Red – Flashing
Transducer (LVDT)
Red – Constant
Close loop fault
PVEO No Fault monitoring
Technical Information
PVG 16 Proportional Valve Group
PVE – electrical actuation modules
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 39
PVE oil flow characteristics
Oil flow as a function of spool travel
The letters AA, A, B, C and D denotes the spool flow sizes ranging from 5 l/min to 65 l/min [1.32 to17.17
US gal/min]. All tests are done by using Tellus32 @ 21mm
2
/s.
Technical Information
PVG 16 Proportional Valve Group
PVE – electrical actuation modules
40 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
PVEO and PVEO-CI voltage-position diagram PVEA/PVEA-F and PVEA-CI voltage-position diagram
P005 610.B
PVEO
Y
X
3%
P005 609.B
PVEA
Y
X
PVHC, high current actuation module – electrical
The PVHC is a means of controlling the flow of the work ports at a distance from the physical valve. The
flow is controlled by sending a PWM signal to the one of two pressure reduction valves. Result is the
spool position being proportional to the current.
PVHC high current actuator
PVHC hydraulic subsystem
+
-
Setpoint
Driver A
Current
Feedback A
Driver B
Current
Feedback B
+
-
-
-
V310 434
Technical Information
PVG 16 Proportional Valve Group
PVE – electrical actuation modules
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 41
The PVHC needs 25 bar pilot pressure and is therefore used together with PVBS and PVP for hydraulic
(PVH) actuation.
PVHC code numbers
Description Code number
12 V
DC
24 V
DC
PVHC, electrical actuation, proportional control 11126941 11127535
PVHC electrical actuation
The PVHC is powered and controlled by a PWM DC voltage source available on the application with either
12 or 24 V
DC
dependent on the type of PVHC.
PVHC characteristic
0
400
200
600
1200
800
1000
1400
Current in mA
Spool stroke, mm
5
4
3
2
1
1600
400
200
600
1200
800
1000
1400
1600
200
100
300
600
400
500
700
800
200
100
300
600
400
500
700
800
@ 12V
@ 24V
P301 775.A
Ideal curve
Hysteresis
280/560 mA 500/1000 mA280/560 mA500/1000 mA
Giving the PVHC a PWM signal with a current of 0 mA will make it place the spool in its neutral position,
hence no flow to the work ports. Increasing the current on one of the two pressure reduction valves will
make the spool move in one direction.
The PVHC does not feature any integrated feedback transducer to measure the spool position. Therefore
it does not feature any closed loop control of the spool.
PVHC connector pin layout
PVHC pin layout – DEUTSCH version
V310 435
Technical Information
PVG 16 Proportional Valve Group
PVE – electrical actuation modules
42 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
PVHC technical characteristics
PVHC Technical characteristics
Supply voltage U
DC
12 V
DC
24 V
DC
Controller output current
0 – 1200 mA 0 – 600 mA
Resistance
4.75 Ω +-5% 20.8 Ω +-5%
Pilot pressure control range
20 – 25 bar [290 – 363 psi]
Recommended dither frequency
40 Hz
Recommended amplitude
250 mA
PVHC Reaction time
From neutral position to max. spool travel
at Power-ON
A/B-direction <90 ms
From max. spool travel to neutral position
at Power-OFF
A/B-direction <90 ms
Technical Information
PVG 16 Proportional Valve Group
PVE – electrical actuation modules
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 43
PVG 16
PVG 16 dimensions
22.5°
V310 356.C
Tank connection:
G¾ or 11⁄16 in-12
Pump connection:
G½ or G¾ or
7⁄8 in-14 or 11⁄16 in-12
Work port A:
G3⁄8 or ¾ in-16
Work port B:
G3⁄8 or ¾ in-16
38.5
[1.516]
40
[1.575]
121.7
[4.79]
192.6
[7.58]
25.5
[1]
14.5
[0.571]
33
[1.299]
38.5
[1.516]
297.9
[11.73]
259.1
[10.2]
110
[4.33]
60
[2.36]
76.1
[3]
LS connection:
G¼ or ½ in-20
G¼ or ½ in-20
Pressure gauge connection:
Technical Information
PVG 16 Proportional Valve Group
PVG 16 dimensions
44 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
270.5 [10.65]
V310 446
283.5 [11.16]
100.4 [3.95]
99.5 [3.92]
L2
L1
PVB 16 dimensions (12 sections)
Number of PVB 16 1 2 3 4 5 6 7 8 9 10 11 12
L1 mm 74 114 154 194 234 274 314 354 394 434 474 514
[in] [2.91] [4.49] [6.06] [7.64] [9.21] [10.79] [12.36] [13.94] [15.51] [17.09] [18.66] [20.24]
L2 mm 140 189 213 262 311 336 385 434 458 507 551 576
[in] [5.51] [7.44] [8.39] [10.31] [12.24] [13.23] [15.16] [17.09] [18.03] [19.96] [21.69] [22.68]
Technical Information
PVG 16 Proportional Valve Group
PVG 16 dimensions
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 45
PVG 32/16
PVB 32/16 combination valve stack dimensions
L1
L2
PVB 32/16 combination valve stack dimensions
Number of PVB 32 (down) Number of PVB 16
1 2 3 4 5 6 7 8 9 10 11
1 L1 mm 122 162 202 242 282 322 362 402 442 482 522
[in] [4.80] [6.38] [7.95] [9.53] [11.10] [12.68] [14.25] [15.83] [17.40] [18.98] [20.55]
L2 mm 189 238 262 311 360 385 434 483 507 551 600
[in] [7.44] [9.37] [10.31] [12.24] [14.17] [15.16] [17.09] [19.02] [19.96] [21.69] [23.62]
2 L1 mm 170 210 250 290 330 370 410 450 490 530 570
[in] [6.69] [8.27] [9.84] [11.42] [12.99] [14.57] [16.14] [17.72] [19.29] [20.87] [22.44]
L2 mm 238 287 311 360 409 434 483 507 551 600 646
[in] [9.37] [11.30] [12.24] [14.17] [16.10] [17.09] [19.02] [19.96] [21.69] [23.62] [25.43]
3 L1 mm 218 258 298 338 378 418 458 498 538 578 618
[in] [8.58] [10.16] [11.73] [13.31] [14.88] [16.46] [18.03] [19.61] [21.18] [22.76] [24.33]
L2 mm 287 336 360 409 458 483 527 576 600 646 694
[in] [11.30] [13.23] [14.17] [16.10] [18.03] [19.02] [20.75] [22.68] [23.62] [25.43] [27.32]
Technical Information
PVG 16 Proportional Valve Group
PVG 16 dimensions
46 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
PVB 32/16 combination valve stack dimensions (continued)
Number of PVB 32 (down) Number of PVB 16
1 2 3 4 5 6 7 8 9 10 11
4 L1 mm 266 306 346 386 426 466 506 546 586 626 -
[in] [10.47] [12.05] [13.62] [15.20] [16.77] [18.35] [19.92] [21.50] [23.07] [24.65] -
L2 mm 336 385 409 458 483 527 576 622 646 694 -
[in] [13.23] [15.16] [16.10] [18.03] [19.02] [20.75] [22.68] [24.49] [25.43] [27.32] -
5 L1 mm 314 354 394 434 474 514 554 594 634 - -
[in] [12.36] [13.94] [15.51] [17.09] [18.66] [20.24] [21.81] [23.39] [24.96] - -
L2 mm 385 434 458 507 551 576 622 670 694 - -
[in] [15.16] [17.09] [18.03] [19.96] [21.69] [22.68] [24.49] [26.38] [27.32] - -
6 L1 mm 362 402 442 482 522 562 602 - - - -
[in] [14.25] [15.83] [17.40] [18.98] [20.55] [22.13] [23.70] - - - -
L2 mm 434 483 507 551 600 622 670 - - - -
[in] [17.09] [19.02] [19.96] [21.69] [23.62] [24.49] [26.38] - - - -
7 L1 mm 410 450 490 530 570 610 - - - - -
[in] [16.14] [17.72] [19.29] [20.87] [22.44] [24.02] - - - - -
L2 mm 483 527 551 600 646 670 - - - - -
[in] [19.02] [20.75] [21.69] [23.62] [25.43] [26.38] - - - - -
8 L1 mm 458 498 538 578 618 - - - - - -
[in] [18.03] [19.61] [21.18] [22.76] [24.33] - - - - - -
L2 mm 527 576 600 646 694 - - - - - -
[in] [20.75] [22.68] [23.62] [25.43] [27.32] - - - - - -
9 L1 mm 506 546 586 626 - - - - - - -
[in] [19.92] [21.50] [23.07] [24.65] - - - - - - -
L2 mm 576 622 646 694 - - - - - - -
[in] [22.68] [24.49] [25.43] [27.32] - - - - - - -
10 L1 mm 554 594 634 - - - - - - - -
[in] [21.81] [23.39] [24.96] - - - - - - - -
L2 mm 622 670 694 - - - - - - - -
[in] [24.49] [26.38] [27.32] - - - - - - - -
11 L1 mm 602 - - - - - - - - - -
[in] [23.70] - - - - - - - - - -
L2 mm 670 - - - - - - - - - -
[in] [26.38] - - - - - - - - - -
Technical Information
PVG 16 Proportional Valve Group
PVG 16 dimensions
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 47
PVG 100/16
PVB 100/16 combination valve stack dimensions
L1
L2
L3
PVB 100/16 combination valve stack dimensions
Number of PVB 100
(down)
Number of PVB 16
1 2 3 4 5 6 7 8 9 10 11
1 L1 mm 172 212 252 292 332 372 412 452 492 532 572
[in] [6.77] [8.35] [9.92] [11.50] [13.07] [14.65] [16.22] [17.80] [19.37] [20.94] [22.52]
L2 mm 236 285 311 358 407 432 481 530 554 603 652
[in] [9.29] [11.22] [12.24] [14.09] [16.02] [17.01] [18.94] [20.87] [21.81] [23.74] [25.67]
L3 80 mm [3.15 in]
2 L1 mm 220 260 300 340 380 420 460 500 540 580 620
[in] [8.66] [10.24] [11.81] [13.39] [14.96] [16.54] [18.11] [19.69] [21.26] [22.83] [24.41]
L2 mm 284 333 359 406 455 480 529 578 602 651 700
[in] [11.18] [13.11] [14.13] [15.98] [17.91] [18.90] [20.83] [22.76] [23.70] [25.63] [27.56]
L3 128 mm [5.04 in]
Technical Information
PVG 16 Proportional Valve Group
PVG 16 dimensions
48 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
PVB 100/16 combination valve stack dimensions (continued)
Number of PVB 100
(down)
Number of PVB 16
1 2 3 4 5 6 7 8 9 10 11
3 L1 mm 268 308 348 388 428 468 508 548 588 628 668
[in] [10.55] [12.13] [13.70] [15.28] [16.85] [18.43] [20.00] [21.57] [23.15] [24.72] [26.30]
L2 mm 332 381 407 454 503 528 577 626 650 699 748
[in] [13.07] [15.00] [16.02] [17.87] [19.80] [20.79] [22.72] [24.65] [25.59] [27.52] [29.45]
L3 176 mm [6.93 in]
4 L1 mm 316 256 396 436 476 516 556 596 636 676 716
[in] [12.44] [10.08] [15.59] [17.17] [18.74] [20.31] [21.89] [23.46] [25.04] [26.61] [28.19]
L2 mm 380 429 455 502 551 576 625 674 698 747 796
[in] [14.96] [16.89] [17.91] [19.76] [21.69] [22.68] [24.61] [26.54] [27.48] [29.41] [31.34]
L3 224 mm [8.82 in]
5 L1 mm 364 404 444 484 524 564 604 644 684 724 764
[in] [14.33] [15.91] [17.48] [19.06] [20.63] [22.20] [23.78] [25.35] [26.93] [28.50] [30.08]
L2 mm 428 477 503 550 599 624 673 722 746 795 844
[in] [16.85] [18.78] [19.80] [21.65] [23.58] [24.57] [26.50] [28.43] [29.37] [31.30] [33.23]
L3 272 mm [10.71 in]
6 L1 mm 412 452 492 532 572 612 652 692 732 772 812
[in] [16.22] [17.80] [19.37] [20.94] [22.52] [24.09] [25.67] [27.24] [28.82] [30.39] [31.97]
L2 mm 476 525 551 598 647 672 721 770 794 843 892
[in] [18.74] [20.67] [21.69] [23.54] [25.47] [26.46] [28.39] [30.31] [31.26] [33.19] [35.12]
L3 320 mm [12.60 in]
7 L1 mm 460 500 540 580 620 660 700 740 780 820 860
[in] [18.11] [19.69] [21.26] [22.83] [24.41] [25.98] [27.56] [29.13] [30.71] [32.28] [33.86]
L2 mm 524 573 599 646 695 720 769 818 842 891 940
[in] [20.63] [22.56] [23.58] [25.43] [27.36] [28.35] [30.28] [32.20] [33.15] [35.08] [37.01]
L3 368 mm [14.49 in]
8 L1 mm 508 548 588 628 668 708 748 788 828 868 908
[in] [20.00] [21.57] [23.15] [24.72] [26.30] [27.87] [29.45] [31.02] [32.60] [34.17] [35.75]
L2 mm 572 621 647 694 743 768 817 866 890 939 988
[in] [22.52] [24.45] [25.47] [27.32] [29.25] [30.24] [32.17] [34.09] [35.04] [36.97] [38.90]
L3 416 mm [16.38 in]
There is a horizontal difference of 23.5 mm [0.93 in] in the mounting plane of the PVG 100/PVG 16.
Technical Information
PVG 16 Proportional Valve Group
PVG 16 dimensions
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 49
PVG 120/16
PVB 120/16 combination valve stack dimensions
L1
L2
L3
There is a horizontal difference 62.5 mm [2.46 in] in the mounting plane of the PVG 120/PVG 16.
Due to the large size of the PVG 120 interface-module it is necessary to have at least one PVG 32 module
between the PVGI and the first PVG 16 slice.
Technical Information
PVG 16 Proportional Valve Group
PVG 16 dimensions
50 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
PVB 120/16 combination dimensions
No.
PVB
120
Dimension Number of PVB 16 modules
1 2 3 4 5 6 7 8 9 10 11
1
L1 mm 284 324 364 404 444 484 524 564 604 644 684
[in]
[11.18] [12.76] [14.33] [15.91] [17.48] [19.06] [20.63] [22.20] [23.78] [25.35] [26.93]
L2
mm 348 397 421 470 519 544 593 642 666 715 759
[in]
[13.70] [15.63] [16.57] [18.50] [20.43] [21.42] [23.35] [25.28] [26.22] [28.15] [29.88]
L3
170 mm [6.69 in]
2
L1 mm 351 391 431 471 511 551 591 631 671 711 751
[in]
[13.82] [15.39] [16.97] [18.54] [20.12] [21.69] [23.27] [24.84] [26.42] [27.99] [29.57]
L2
mm 413 462 486 535 584 609 658 707 731 780 824
[in]
[16.26] [18.19] [19.13] [21.06] [22.99] [23.98] [25.91] [27.83] [28.78] [30.71] [32.44]
L3
237 mm [9.33 in]
3
L1 mm 418 458 498 538 578 618 658 698 738 778 818
[in]
[16.46] [18.03] [19.61] [21.18] [22.76] [24.33] [25.91] [27.48] [29.06] [30.63] [32.20]
L2
mm 478 527 551 600 649 674 723 772 796 845 889
[in]
[18.82] [20.75] [21.69] [23.62] [25.55] [26.54] [28.46] [30.39] [31.34] [33.27] [35.00]
L3
304 mm [11.91 in]
4
L1 mm 485 525 565 605 545 685 725 765 805 845 885
[in]
[19.09] [20.67] [22.24] [23.82] [21.46] [26.97] [28.54] [30.12] [31.69] [33.27] [34.84]
L2
mm 543 592 616 665 714 739 788 837 86 910 954
[in]
[21.38] [23.31] [24.25] [26.18] [28.11] [29.09] [31.02] [32.95] [3.39] [35.83] [37.56]
L3
371 mm [14.61 in]
5
L1 mm 552 592 632 672 712 752 792 832 872 912 952
[in]
[21.73] [23.31] [24.8] [26.46] [28.03] [29.61] [31.18] [32.76] [34.33] [35.91] [37.48]
L2
mm 608 657 681 730 779 804 853 902 926 975 1019
[in]
[23.94] [25.87] [26.81] [28.74] [30.67] [31.65] [33.58] [35.51] [36.46] [38.39] [40.12]
L3
438 mm [17.24 in]
6
L1 mm 619 659 699 739 779 819 859 899 939 979 1019
[in]
[24.37] [25.94] [27.52] [29.09] [30.67] [32.24] [33.82] [35.39] [36.97] [38.54] [40.12]
L2
mm 673 722 746 795 844 869 918 967 991 1040 1084
[in]
[26.50] [28.43] [29.37] [31.30] [33.23] [34.21] [36.14] [38.07] [39.02] [40.94] [42.68]
L3
505 mm [19.88 in]
7
L1 mm 686 726 766 806 846 886 926 966 1006 1046 1086
[in]
[27.01] [28.58] [30.16] [31.73] [33.31] [34.88] [36.46] [38.03] [39.61] [41.18] [42.76]
L2
mm 738 787 811 860 909 934 983 1032 1056 1105 1149
[in]
[29.06] [30.98] [31.93] [33.86] [35.79] [36.77] [38.70] [40.63] [41.57] [43.50] [45.24]
L3
572 mm [22.52 in]
8
L1 mm 753 793 833 873 913 953 993 1033 1073 1113 1153
[in]
[29.65] [31.22] [32.80] [34.37] [35.94] [37.52] [39.09] [40.67] [42.24] [43.82] [45.39]
L2
mm 803 852 876 925 974 999 1048 1097 1121 1170 1214
[in]
[31.61] [33.54] [34.49] [36.42] [38.35] [39.33] [41.26] [43.19] [44.13] [46.06] [47.80]
L3
639 mm [25.16 in]
Technical Information
PVG 16 Proportional Valve Group
PVG 16 dimensions
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 51
PVG 16 installation
In particularly exposed
applications, protection
in the form of screening
of the electrical actuator
is recommended.
In particularly exposed applications,
protection in the form of screening
of the electrical actuator is recommended.
Mounting thread:
M8 x min 10 mm or
5/16-18 x min 0.39 in
Torque:
P VS: 20 Nm [177 lbf•in]
PVSI: 40 Nm [354 lbf•in]
Mounting thread:
M8 x min 10 mm or
5/16-18 x min 0.39 in
Torque:
40 Nm [354 lbf•in]
V310 365.C
Technical Information
PVG 16 Proportional Valve Group
Installation
52 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
PVG 16 application schematic
LS
T
P
M
157B5111
A
11101421
B
A
11101425
B
157B2000
250
11105535
PVEA-11103692
11105540
PVMD-11102464
Technical Information
PVG 16 Proportional Valve Group
Application examples
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 53
PVG 32/16 application schematic
LS
T
P
M
157B5111
A
11101421
B
A
11101425
B
157B2000
250
11105535
PVEA-11103692
11105540
PVMD-11102464
A
157B6200
B
157B7004
PVEH-157B4092
PVG 100/16 application schematic
T0
Pg
P
Pp
LS
161B5111
161B6250
A
B
161B7026
161B2200
T
350
A
11101421
B
A
11101425
B
157B2000
250
11105535
PVEA-11103692
11105540
PVMD-11102464
PVEH-157B4092
Technical Information
PVG 16 Proportional Valve Group
Application examples
54 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
PVG 120/16 application schematic
LS
P
MA
155G5038
A
155G6016
B
T
155G7032
Pp
155G7042
A
157B6000
B
157B7004
PVEH-157B4092
PVEO-155G4272
155G6468
A
11101421
B
A
11101425
B
157B2000
250
11105535
PVEA-11103692
11105540
PVMD-11102464
Due to the large size of the PVG 120 interface-module it is necessary to have at least one PVG 32 module between the PVGI and the first
PVG 16 slice.
Technical Information
PVG 16 Proportional Valve Group
Application examples
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 55
Hydraulic system efficiency
A complete hydraulic system can be implemented in many different ways. There is no sole answer to:
which system solution is the right one? The solution will depend on what is the aim of the vehicle
manufacturers, if they are aiming for high productivity, and/or a low fuel consumption, and/or a compact
design, and/or a high operator comfort, etc.
An important topic to consider when it comes to system design is energy efficiency.Components in a
system have their individual efficiency and as such the components contribute to the total energy
consumption. This energy consumption is directly proportional with the emission of the application and
the operating costs.
The power needed to generate the flow and pressure for each system function is vital as surplus energy
used to generate excess flow and pressure is converted into heat and thereby loss.
There are generally three types of mobile hydraulic systems:
•
Fixed displacement with constant flow,
•
Variable displacement with constant pressure and
•
Variable displacement with load sense (LS).
Fixed displacement system with constant flow
Uses a pump with fixed displacement to generate a fixed flow to the system. In standby the flow is send
from the pump through the valve and back into the reservoir. Whenever a consumer requests a portion
of the flow to perform a work function, the fixed displacement system brings the entire flow up to the
load pressure. The valve will then divide the flow into work port flow and surplus flow sending this back
to the reservoir.
The efficiency of a fixed displacement system is directly proportional to the percentage of the total flow
used by the consumer. If the consumer uses 10% of the total flow available the fixed displacement
system is 10% efficient. If the consumer uses 75% of the total available flow the system is 75% efficient.
Variable displacement system with constant pressure
Uses a variable displacement pump to regulate the flow to system consumer needs. The flow is always
pressurized to the setting of the pump pressure compensator independent of the consumer(s) pressure
need. In standby the pressure remains at full system pressure and only leakage flow is circulated back to
the reservoir. Whenever a consumer request a flow to perform a work function the pump will deliver this
flow only, but at full system pressure, independent of the function pressure need.
The efficiency of a fixed displacement system is directly proportional to the percentage of the total
pressure needed to perform the work, If 10% of the pressure is needed the fixed displacement system is
10% efficient. If 75% of the pressure is needed the fixed displacement system is 75% efficient.
Variable displacement system with load sense
Uses a variable displacement pump to give the consumer the requested flow at the needed pressure. In
standby only pump leakage is circulated back to reservoir – at only margin pressure. Whenever a
consumer requests a flow the pump delivers this flow at needed pressure plus a margin pressure to
compensate internal resistance and system control.
The efficiency of a LS system, despite its pressure control, is not proportional to the flow or pressure but a
result of the pump margin pressure setting.
The easiest way to compare the efficiencies of the systems is to make an example. Considering a pump
with a maximum flow rate of 200 l/min [52.8 US gal/min] and a system pressure of 300 bar [4351 psi].
A comparison of fixed and variable displacement systems gives the LS system a huge efficiency
advantage over the fixed displacement system, especially in the high pressure and low-to-medium flow
applications.
Technical Information
PVG 16 Proportional Valve Group
Hydraulic system
56 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
Fixed vs variable displacement system
100
80
60
40
20
0
0 50 100 150 200
Flow (l/min)
LS@25 bar
Constant flow
LS@75 bar
LS@150 bar
LS@300 bar
P005 913
%
Considering multiple consumers where the high flow work functions are seldom used, the LS system will
increase the advantage over the fixed displacement system.
A comparison of fixed and variable displacement systems gives the variable displacement system an
efficiency advantage over the fixed displacement system in the lower pressure range of an application.
Fixed vs variable displacement system
100
80
60
40
20
0
0 50 100 150 200 250 300
Pressure (bar)
Constant pressure
Load sense
P005 914
%
Considering multiple consumers at different pressures the variable displacement system will increase the
efficiency over the fixed displacement system.
Although the variable displacement system is the most complex of the three systems it potentially offers
great advantages in terms of efficient use of energy and in turn the compliance with power management
requirements. The PVG family offers products for both constant flow and load sense systems for the best
solution for the mobile hydraulic system.
Technical Information
PVG 16 Proportional Valve Group
Hydraulic system
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 57
PVG 16 modules assembly
PVG modules (exploded view)
V310 364.C
PVP
PVE
PVH
PVLP
PVAS
PVS
PVB
PVBS
PVM
Ports connections:
P = G ½ in; 14 mm deep or G ¾ in; 16 mm deep [7/8–14; 0.65 in deep or 1 1/16–12; 0.75 in deep]
LS, M = G ¼ in; 12 mm deep [½–20; 0.47 in deep]
T = G ¾ in; 16 mm deep [1 1/16–12; 0.75 in deep]
Technical Information
PVG 16 Proportional Valve Group
PVG 16 modules and code numbers
58 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
PVP – Pump side modules code numbers
PVP – Pump side modules for pumps with fixed displacement
PVP – Pump side modules code numbers
Description Thread Code number
Open centre pump side module
For mechanically actuated valve groups only
P = G ½; T = G ¾ 157B5000
P = 7/8–14; T = 1 1/16–12 157B5200
P, T = G ¾ 157B5100
P, T = 1 1/16–12 157B5300
Open centre pump side module
With pilot oil supply for electrically actuated valves
P = G ½; T = G ¾ 157B5010
P = 7/8–14; T = 1 1/16–12 157B5210
P, T = G ¾ 157B5110
P, T = 1 1/16–12 157B5310
Open centre pump side module
With pilot oil supply for electrically actuated valves
Connection for LS unloading valve, PVPX
P = G ½; T = G ¾ 157B5012
P = 7/8–14; T = 1 1/16–12 157B5212
P, T = G ¾ 157B5112
P, T = 1 1/16–12 157B5312
Open centre pump side module
For mechanically actuated valve groups only
Connection for LS unloading valve, PVPX
P, T = G ¾ 157B5102
Open centre pump side module
With pilot oil supply for electrically actuated valves
Connection for pilot oil pressure
P, T = G ¾ 157B5180
P, T = 1 1/16–12 157B5380
Open centre pump side module
With pilot oil supply for electrically actuated valves
Connection for pilot oil pressure
P, T = G ¾ 157B5190
P, T = 1 1/16–12 157B5390
Open centre pump side module
With pilot oil supply for electrically actuated valves
With damped pressure adjustment spool
P, T = G ¾ 11008849
Open centre pump side module
With pilot oil supply for hydraulically actuated valves
With damped pressure adjustment spool
P, T = G ¾ 11008851
PVP – Pump side modules for pumps with variable displacement
PVP – Pump side modules code numbers
Description Thread Code number
Closed centre pump side module
For mechanically actuated valve groups only
P = G ½; T = G ¾ 157B5001
P = 7/8–14; T = 1 1/16–12 157B5201
P, T = G ¾ 157B5101
P, T = 1 1/16–12 157B5301
Closed centre pump side module
With pilot oil supply for electrically actuated valves
P = G ½; T = G ¾ 157B5011
P = 7/8–14; T = 1 1/16–12 157B5211
P, T = G ¾ 157B5111
P, T = 1 1/16–12 157B5311
Closed centre pump side module
With pilot oil supply
Connection for LS unloading valve, PVPX
P = G ½; T = G ¾ 157B5013
P = 7/8–14; T = 11/16–12 157B5213
P, T = G ¾ 157B5113
P, T = 1 1/16–12 157B5313
Technical Information
PVG 16 Proportional Valve Group
PVG 16 modules and code numbers
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 59
PVP – Pump side modules code numbers (continued)
Description Thread Code number
Closed centre pump side module
For mechanically actuated valve groups only
Connection for LS unloading valve, PVPX
P, T = G ¾ 157B5103
Closed centre pump side module
With pilot oil supply for electrically actuated valves
Connection for pilot oil pressure
P, T = G ¾ 157B5181
P, T = 1 1/16–12 157B5381
Closed centre pump side module
With pilot oil supply for hydraulically actuated valves
Connection for pilot oil pressure
P, T = G ¾ 157B5191
P, T = 1 1/16–12 157B5391
PVB – Basic work modules code numbers
PVB – compensated modules code numbers
Description Code number
Compensated basic module 3/8” BSP 11130976
3/4”–16UNF 11130977
Compensated basic module with facilities for shock and
anti-cavitation valves (PVLP/PVLA)
3/8” BSP 11130978
3/4”–16UNF 11130979
Compensated basic module with one common
adjustable LS valve for port A and port B
3/8” BSP 11130982
3/4”–16UNF 11130983
PVB – non-compensated basic modules code numbers
Description Code number
With check valve Without check valve
No facilities for shock valves 3/8” BSP 11106801 11101421
3/4”–16UNF 11106797 11101423
Facilities for shock valves 3/8” BSP 11101424 11106754
3/4”–16UNF 11101425 11106755
PVE – Electrical actuation modules code numbers
PVE code numbers
Description 12 V
DC
24 V
DC
PVEO, ON/OFF control 11106793 11106794
PVHC Proportional control 11126941 11127535
PVEA Proportional control 11103692
PVEA-F Proportional control, with float in B-direction 11106795
PVE-CI code numbers
Description Code number
PVEO-CI J1939/ISObus 11124002
PVEA-CI 11121945
PVEO-CI CANopen 11149443
PVEA-CI 11149437
Technical Information
PVG 16 Proportional Valve Group
PVG 16 modules and code numbers
60 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
PVBS – Main spools code numbers
PVBS – Symmetrical main spools code numbers
Description Code number according to flow – in l/min [US gal/min]
5 [1.32] 10 [2.64] 25 [6.60] 40 [10.57] 65 [17.17]
Open neutral, use with PVE 11105537 11105538 11105539 11105540 11105541
Open neutral, use with PVH 11109637 11109638 11109639 11109640 11109641
Closed neutral, use with PVE 11105532 11105533 11105534 11105535 11105536
Closed neutral, use with PVH 11109632 11109633 11109634 11109635 11109636
PVBS – Asymmetrical main spools code numbers
Description Code number according to flow – in l/min [US gal/min]
5/2.5
[1.32/0.66]
10/5
[2.64/1.32]
25/10
[6.60/2.64]
25/15
[6.60/3.96]
40/15
[10.57/3.96]
40/25
[10.57/6.60]
Cylinder ratio 2.0 2.0 2.5 1.6 2.7 1.6
Closed neutral, use with PVE 11109642 11109643 11109644 11109645 11109646 11109647
Closed neutral, use with PVH 11146752 11146753 11146754 11146755 11146756 11146757
PVLP – Shock and Anti-cavitation valves code numbers
PVLP – Shock and Anti-cavitation valves code numbers
Code number 157B2032 157B2050 157B2063 157B2080 157B2100 157B2125 157B2140 157B2150 157B2160 157B2175 157B2190
Settings bar 32 50 63 80 100 125 140 150 160 175 190
[psi] [460] [725] [914] [1160] [1450] [1813] [2031] [2175] [2320] [2538] [2755]
PVLP – Shock and Anti-cavitation valves code numbers (continued)
Code number 157B2210 157B2230 157B2240 157B2250 157B2265 157B2280 157B2300 157B2320 157B2350 157B2380 157B2400
Settings bar 210 230 240 250 265 280 300 320 350 380 400
[psi] [3045] [3335] [3480] [3625] [3845] [4061] [4351] [4641] [5075] [5511] [5801]
PVLA – Anti-cavitation valve code numbers
Description Code number
Plug A or B 157B2002
Valve A or B 157B2001
Technical Information
PVG 16 Proportional Valve Group
PVG 16 modules and code numbers
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 61
PVAS – Assembly kits code numbers
PVAS code numbers according to accumulated module length interval
Accumulated module length interval Code number
Metric (mm) Imperial [in]
55 – 72 [2.17 – 2.83] 157B8000
79 – 96 [3.11 – 3.78] 157B8031
103 – 120 [4.06 – 4.72] 157B8001
127 – 144 [5.00 – 5.67] 157B8021
151 – 168 [5.49 – 6.61] 157B8002
175 – 192 [6.89 – 7.56] 157B8022
199 – 216 [7.83 – 8.50] 157B8003
223 – 240 [8.78 – 9.45] 157B8023
247 – 264 [9.72 – 10.39] 157B8004
271 – 288 [10.67 – 11.34] 157B8024
295 – 312 [11.61 – 12.28] 157B8005
319 – 336 [12.56 – 13.23] 157B8025
343 – 360 [13.50 – 14.17] 157B8006
367 – 384 [14.45 – 15.12] 157B8026
391 – 408 [15.39 – 16.06] 157B8007
415 – 432 [16.34 – 17.00] 157B8027
439 – 456 [17.28 – 17.95] 157B8008
463 – 480 [18.23 – 18.90] 157B8028
487 – 504 [19.17 – 19.84] 157B8009
511 – 528 [20.12 – 20.79] 157B8029
535 – 552 [21.06 – 21.73] 157B8010
559 – 576 [22.00 – 22.68] 157B8030
583 – 600 [22.95 – 23.62] 157B8061
607 – 624 [23.90 – 24.57] 157B8081
631 – 648 [24.84 – 25.51] 157B8062
655 – 672 [25.79 – 26.46] 157B8082
Technical Information
PVG 16 Proportional Valve Group
PVG 16 modules and code numbers
62 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
PVS – End plate code numbers
PVS code numbers
Description Thread Code number
PVS, aluminum end plate Foot = M8 157B2000
Foot = 5∕16-18 157B2020
PVS, aluminum end plate with LX-connection LX = G1⁄8; Foot = M8 157B2011
LX = 3⁄8-24; Foot = 5∕16-18 157B2021
PVSI, cast iron end plate Foot = M8 157B2014
Foot = 5∕16-18 157B2004
PVSI, cast iron end plate with LX-connection LX = G¼; Foot = M8 157B2015
LX = ½-20; Foot = 5∕16-18 157B2005
PVSI, cast iron end plate,
with P-, T-, LX- and M-connection
P = 3⁄8; T = ½; LX = ¼;
M = ¼; Foot = M8
157B2920
PVST, iron end plate with T-connection T = ½; Foot = M8 157B2500
T = 7⁄8-14; Foot = 5∕16-18 157B2520
PVM – Mechanical actuation modules code numbers
PVM code numbers
Description Code number
With lever Without lever
Without adjustment screws, without float 11107333 11107505
Without adjustment screws, with float 11107335 11107506
With adjustment screws, without float 11107332 11107507
PVH, PVMD code numbers
PVH and PVMD code numbers
Description Code number
PVH, Hydraulic actuation G 1/4 BSP 11108380
9/16-18 UNF 11108381
PVMD, Cover for PVM 11105518
Accessories code numbers
Seal kit
Description Code number
Seal kit for PVE and PVHC 11133165
Seal kit for one work section 157B8999
Seal kit for seven work sections 11156335
PVM seal kit 157B3999
Loop cable 175 mm, DEUTSCH 4-pin 11095622
Cable 4 m, DEUTSCH 4-pin 11095741
Technical Information
PVG 16 Proportional Valve Group
PVG 16 modules and code numbers
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 63
Seal kit (continued)
Description Code number
CG 1502
*
11153051
120 Ω terminator 11007561
*
Only to be used with PLUS+1
®
Service Tool version 7.1.10 or newer.
Technical Information
PVG 16 Proportional Valve Group
PVG 16 modules and code numbers
64 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
Section
v Function
Extra Features
PVP
p = bar
a PVM PVB PVBS c
b
LS
A
bar
LS
B
bar b
a PVM PVB PVBS c
b
LS
A
bar
LS
B
bar b
a PVM PVB PVBS c
b
LS
A
bar
LS
B
bar b
a PVM PVB PVBS c
b
LS
A
bar
LS
B
bar b
a PVM PVB PVBS c
b
LS
A
bar
LS
B
bar b
a PVM PVB PVBS c
b
LS
A
bar
LS
B
bar b
a PVM PVB PVBS c
b
LS
A
bar
LS
B
bar b
a PVM PVB PVBS c
b
LS
A
bar
LS
B
bar b
a PVM PVB PVBS c
b
LS
A
bar
LS
B
bar b
11
End section PVS
12
PVAS section PVAS
Comments:
Filled in by: Date:
9
7
8
4
5
6
10
2
3
1
PVLP/PVLA
PVE/PVH/PVMD
PVLP/PVLA
v v
B-Port
Application
A-Port
Subsidiary/Dealer
Customer
Revision No.
PVG16
PVG No.
Customer Part No.
PVLP/PVLA
PVE/PVH/PVMD
PVLP/PVLA
PVE/PVH/PVMD
PVLP/PVLA PVLP/PVLA
PVE/PVH/PVMD
PVLP/PVLA PVLP/PVLA
PVE/PVH/PVMD
PVLP/PVLA PVLP/PVLA
PVE/PVH/PVMD
PVLP/PVLA PVLP/PVLA
PVE/PVH/PVMD
PVLP/PVLA PVLP/PVLA
PVE/PVH/PVMD
PVLP/PVLA PVLP/PVLA
PVE/PVH/PVMD
PVLP/PVLA PVLP/PVLA
Technical Information
PVG 16 Proportional Valve Group
Order specification
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 65
Technical Information
PVG 16 Proportional Valve Group
66 |
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
Technical Information
PVG 16 Proportional Valve Group
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401 | 67
Danfoss Power Solutions is a global manufacturer and supplier of high-quality hydraulic and
electronic components. We specialize in providing state-of-the-art technology and solutions
that excel in the harsh operating conditions of the mobile off-highway market. Building on
our extensive applications expertise, we work closely with our customers to ensure
exceptional performance for a broad range of off-highway vehicles.
We help OEMs around the world speed up system development, reduce costs and bring
vehicles to market faster.
Danfoss – Your Strongest Partner in Mobile Hydraulics.
Go to www.powersolutions.danfoss.com for further product information.
Wherever off-highway vehicles are at work, so is Danfoss. We offer expert worldwide support
for our customers, ensuring the best possible solutions for outstanding performance. And
with an extensive network of Global Service Partners, we also provide comprehensive global
service for all of our components.
Please contact the Danfoss Power Solution representative nearest you.
Local address:
Danfoss
Power Solutions GmbH & Co. OHG
Krokamp 35
D-24539 Neumünster, Germany
Phone: +49 4321 871 0
Danfoss
Power Solutions ApS
Nordborgvej 81
DK-6430 Nordborg, Denmark
Phone: +45 7488 2222
Danfoss
Power Solutions (US) Company
2800 East 13th Street
Ames, IA 50010, USA
Phone: +1 515 239 6000
Danfoss
Power Solutions Trading
(Shanghai) Co., Ltd.
Building #22, No. 1000 Jin Hai Rd
Jin Qiao, Pudong New District
Shanghai, China 201206
Phone: +86 21 3418 5200
Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products
already on order provided that such alterations can be made without changes being necessary in specifications already agreed.
All trademarks in this material are property of the respective companies. Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.
©
Danfoss | February 2017 L1214235 | BC00000211en-US0401
Products we offer:
•
Bent Axis Motors
•
Closed Circuit Axial Piston
Pumps and Motors
•
Displays
•
Electrohydraulic Power
Steering
•
Electrohydraulics
•
Hydraulic Power Steering
•
Integrated Systems
•
Joysticks and Control
Handles
•
Microcontrollers and
Software
•
Open Circuit Axial Piston
Pumps
•
Orbital Motors
•
PLUS+1
®
GUIDE
•
Proportional Valves
•
Sensors
•
Steering
•
Transit Mixer Drives
Comatrol
www.comatrol.com
Schwarzmüller-Inverter
www.schwarzmueller-
inverter.com
Turolla
www.turollaocg.com
Hydro-Gear
www.hydro-gear.com
Daikin-Sauer-Danfoss
www.daikin-sauer-danfoss.com