Catalog HY15-3502-R/US
Parker Hannifin Corporation
Hydraulic Cartridge Systems
PV27
P.O., N.C. Proportional Reduce/Relief Valve
Series EPR111C
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Pressure Gain
A
Current
.4.2
0
.6 .8
1.0
0
80%
100%
40%
20%
60%
Regulated Pressure
USC %
Flow (Q)
LPM
GPM
-15.1
-30.3
-4
-8
15.10
40
30.3
8
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
0
200
250
50
100
150
13.8
17.3
3.45
6.89
10.4
300 20.7
PSI Bar
Pressure
Flow vs. Regulated Pressure
Press. Reducer Frequency Response: 290 PSI @ 12 VDC
Frequency (HZ)
1
10
50
0
10
-20
-30
-40
-10
Gain (DB)
0
240
60
120
180
300
Phase Angle (Deg.)
EP-3099 Magnitude 850 mA
EP-3099 Magnitude 700 mA
EP-3099 Magnitude 500 mA
EP-3099 Phase 850 mA
EP-3099 Phase 700 mA
EP-3099 Phase 500 mA
Check
Valves
Shuttle
Valves
Load/Motor
Controls
Flow
Controls
Pressure
Controls
Logic
Elements
Directional
Controls
Manual
Valves
Solenoid
Valves
Proportional
Valves
Coils &
Electronics
Bodies &
Cavities
Technical
Data
SH
CV
LM
FC
PC
LE
DC
MV
SV
PV
CE
BC
TD
Technical Information
Rated Flow 37.5 LPM (10 GPM)
Maximum Input 350 Bar (5000 PSI)
Pressure at
Port 2
Maximum Internal .5 LPM (0.13 GPM)
Leakage @ 20.7 Bar (300 PSI)
.95 LPM (0.25 GPM)
@ 207 Bar (3000 PSI)
Hysteresis @ 4% with 60% duty cycle
400 Hz PWM
Power 9 watts at max. reduced pressure
Consumption
Frequency 200-600 Hz (PWM)
Maximum Control 12 VDC 24 VDC
Current .90A .45A
Cartridge Material All parts steel. All operating
parts hardened steel.
Operating Temp. -45°C to +132°C (“D”-Ring)
Range/Seals (-50°F to +270°F)
-34°C to +121°C (Nitrile)
(-30°F to +250°F)
-26°C to +204°C (Fluorocarbon)
(-15°F to +400°F)
Fluid Mineral-based or synthetic with
Compatibility/ lubricating properties at viscosities
Viscosity of 45 to 2000 SSU (6 to 420 cSt)
Filtration ISO-4406 18/16/13,
SAE Class 4
Approx. Weight .59 kg (1.3 lbs.)
Cavity C10-3L
(See BC Section for more details)
General Description
Pilot Operated, Normally Closed, Proportional
Pressure Reducing/Relieving Valve. For additional
information see Technical Tips on pages PV1-PV6.
Features
High flow capacity
Low hysteresis
400 Hz PWM signal preferred
No dynamic seals
Polyurethane “D”-Ring eliminates need for backup rings
Performance Curves
PWM Current Regulator Recommended
Specifications
(3)
(2)
(1)
Reducing
Pressure
Inlet
Tank
(3) (1)
(2)
Catalog HY15-3502-R/US
Parker Hannifin Corporation
Hydraulic Cartridge Systems
P.O., N.C. Proportional Reduce/Relief Valve
Series EPR111C
PV28
Check
Valves
Shuttle
Valves
Load/Motor
Controls
Flow
Controls
Pressure
Controls
Logic
Elements
Directional
Controls
Manual
Valves
Proportional
Valves
Coils &
Electronics
Technical
Data
SH
CV
LM
FC
PC
LE
DC
MV
SV
PV
CE
BC
TD
Bodies &
Cavities
Solenoid
Valves
Technical Information
Coil
Type
Coil
Termination
Coil
Voltage
EPR111
11 Size
Proportional
Red./Rel. Valve
Style
Code Style
C Normally Closed,
Pilot Operated
Dimensions
Millimeters (Inches)
Ordering Information
Code Pressure Range
02 13.8 Bar (200 PSI)
03 20.7 Bar (300 PSI)
05 34.5 Bar (500 PSI)
10 68.9 Bar (1000 PSI)
20 138 Bar (2000 PSI)
30 207 Bar (3000 PSI)
40 276 Bar (4000 PSI)
Code Seals / Kit No.
Omit “D”-Ring / (SK10-3L)
N Nitrile / Buna-N (Std.)
(SK10-3LN)
V Fluorocarbon /
(SK10-3LV)
SealsPressure
Range
C
Body
Material
Port
Size
Aluminum body only.
Code Port Size Body Part No.
Omit Cartridge Only
8T SAE-8 4082075
Code Body Material
A Aluminum
Code Coil Voltage
Omit Without Coil
D012 12 VDC
D024 24 VDC
Code Coil Type
Omit Without Coil
SS Super Coil - 14 Watts
See Super Coil 1/2 I.D.
*DC Only
Code Coil Termination
Omit Without Coil
A Amp Jr. Timer*
D DIN Plug Face
H Molded Deutsch*
L Dual Lead Wire*
PF Packard Female*
PM Packard Male*
S Dual Spade*
NOTE: Requires C10-3L Cavity
XXVDC XXW
CCX XXX H
MADEINU.S.A.
PAT.XXXXXXX
5/8 Hex.
7-9.5Nm
(5-7 lb. ft.)
Torque
See Super Coil
1/2" I.D.
Information For
Terminal Connectors
1" Hex
50-56 Nm (37-41 lb. ft.)
Torque
7/8-14UNF-2A
Thread
(3)
(2)
(1)
68.1
(2.68)
11.2
(0.44)
134.8
(5.31)
39.6
(1.56)
16.0
(0.63)
79.3
(3.12)
62.7
(2.47)
19.8
(0.78)
33.8
(1.33)