Series PVP
Variable Volume
Piston Pumps
Catalog HY28-2662-CD/US
Revised November 1, 2018
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
Catalog HY28-2662-CD/US
Variable Volume Piston Pumps
Series PVP
Notes
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
1
Catalog HY28-2662-CD/US
Variable Volume Piston Pumps
Series PVP
Introduction
Series Sizes 60 - 140
Phased Out
For Reference Only
Please see P1/PD Series
Quick Reference Data Chart
Pump
Model
Displacement
cc/rev
(In
3
/rev)
Pump Delivery
@ 21 bar (300 PSI)
in LPM (GPM)
Input Power A
1800 RPM, Max.
Displacement &
248 bar (3600 PSI)
Operating
Speed (RPM)
(Maximum)
Pressure
bar (PSI)
Continuous
(Maximum
)
1200 RPM 1800 RPM
PVP16 16 (.98) 19.7 (5.2) 29.5 (7.8) 13.1 kw (17.5 hp) 3000 248 (3600)
PVP23 23 (1.4) 28.0 (7.4) 42.0 (11.1) 19.7 kw (26.5 hp) 3000 248 (3600)
PVP33 33 (2.0) 39.4 (10.4) 59.0 (15.6) 27.2 kw (36.5 hp) 3000 248 (3600)
PVP41 41 (2.5) 49.2 (13.0) 73.8 (19.5) 33.2 kw (44.5 hp) 2800 248 (3600)
PVP48 48 (2.9) 57.6 (15.2) 86.4 (22.8) 40.3 kw (54.0 hp) 2400 248 (3600)
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
2
Catalog HY28-2662-CD/US
Features
• High Strength Cast-Iron Housing
• Fast Response Times
• Two Piece Housing For Ease of Service
• Metric Pilot, Shaft and Ports Available
• Replaceable Bronze Clad Port Plate
• Thru-Shaft Capability
• Low Noise Levels
• Replaceable Piston Slipper Plate
Controls
• Pressure Compensation
• Load Sensing
• Horsepower Limiting
• Horsepower and Load Sensing
• Remote Pressure Compensation
• Adjustable Maximum Volume Stop
• Hi/Lo Torque (Power) Limiting
(PVP 41/48, 60/76, 100/140 Only)
• Low Pressure Standby
Variable Volume Piston Pumps
Series PVP
Introduction
OUTLET
PORT
PISTON
INLET
PORT
SERVO
PISTON
COMPENSATOR
SPOOL
PUMP
HOUSING
CASE
DRAIN
BIAS
SPRING
SHAFT
BEARING
REAR
COVER
SWASH
PLATE
CYLINDER
BARREL
PORT
PLATE
SHAFT
BEARING
SHAFT
SEAL
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
3
Catalog HY28-2662-CD/US
General Description
All control is achieved by the proper positioning of
the swash plate. This is achieved by a servo piston
acting on one end of the swash plate working against
the combined effect of the off-setting forces of the
pistons and centering spring on the other end. The
control spool acts as a metering valve which varies the
pressure behind the servo piston.
As shown in Figure 1, the amount of ow produced
by the Parker Piston Pump is dependent upon the
length of stroke of the pumping pistons. This length
of stroke, in turn, is determined by the position of the
swash plate. Maximum ow is achieved at an angle of
15-17 degrees. The rotating barrel, driven by the prime
mover, moves the pistons in a circular path and the
piston slippers are supported hydrostatically against
the face of the swash plate. When the swash plate is
in a vertical position, perpendicular to the centerline
of the piston barrel, there is no piston stroke and
consequently no uid displacement. When the swash
plate is positioned at an angle, the pistons are forced
in and out of the barrel and uid displacement takes
place. The greater the angle of the swash plate, the
greater the piston stroke.
FIGURE 1
Variable Volume Piston Pumps
Series PVP
Control Options
SERVO PISTON
INLET
OUTLET
PISTON
CYLINDER
BARREL
SWASH
PLATE
BIAS
SPRING
DRIVE
SHAFT
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
4
Catalog HY28-2662-CD/US
Pressure Compensated Control (OMIT)
The swash plate angle controls the output ow of the
pump. Swash plate angle is generated by the hydraulic
force of the pumping pistons and the mechanical force
of the swash plate bias spring.
Control of the pump’s outlet ow is obtained by
over-riding the force of the pumping pistons and bias
spring with the hydraulic force of the servo piston
by means of internal porting. Pressure is connected
from the outlet port to the servo piston via a
compensator spool.
The compensator spool is held against the spring
guide by the outlet pressure. When the outlet pressure
reaches the setting of the compensator control, the
compensator spool moves, allowing outlet pressure
oil to be metered into the servo piston. This metered
oil provides adequate force to power the servo piston
and override swash plate forces. The outlet pressure
causes the servo piston to move which reduces
the angle of the swash plate and thereby reduces
the pump’s output ow. When ow is again demanded
by the system, the outlet pressure will momentarily
fall allowing the compensator spool to move.
This movement closes off the outlet pressure to the
servo piston and vents the servo piston to case.
The result of this venting allows the swash plate forces to
move the swash plate angle to maximum displacement,
thus responding to the demand for additional ow.
Note that the compensator spring chamber is
vented to the pump case via a hole internal to the
compensator spool.
FIGURE 2
Variable Volume Piston Pumps
Series PVP
Control Options
PVP SERIES
STANDARD PRESSURE COMPENSATOR
CONTROL OPTION "OMIT"
-Q
+Q
CASE DRAIN
PORT
INLET PORT
OUTLET PORT
OUTLET
PORT
PISTON
INLET
PORT
SERVO PISTON
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
5
Catalog HY28-2662-CD/US
OUTLET
PORT
PISTON
INLET
PORT
SERVO PISTON
"A" PORT
Remote Pressure Control (M)
The pump swash plate actuation is identical to the
standard pressure compensator but can be controlled
via a remote pressure control.
Remote control of the pump output pressure can
be achieved by controlling the pressure at port A,
Figure 3 on the compensator. Flow is metered through
the orice in the spool from outlet pressure into
the spring chamber. The spring chamber pressure
is limited by an external relief connected to port A.
The controlled pressure at port A is sensed at the
differential spring chamber. The compensator spool
will move to the right when the pump outlet pressure
reaches a force equal to the differential spring setting
plus the controlled port pressure setting. When the
spool moves to the right, outlet pressure oil is metered
to the servo piston and the pump swash plate angle
is controlled accordingly. With this option the pump
outlet pressure can be controlled and varied from a
remote location.
This control also incorporates a pressure limiting
feature preset at the factory. When the pressure in the
differential spring chamber reaches the maximum relief
setting, the dart unseats allowing the spring chamber
to vent to the pump case and limits the maximum
pressure attainable.
FIGURE 3
Variable Volume Piston Pumps
Series PVP
Control Options
PVP SERIES
REMOTE PRESSURE COMPENSATOR
CONTROL OPTION "M"
("A" PORT)
REMOTE PORT
-Q
+Q
CASE DRAIN
PORT
INLET PORT
OUTLET PORT
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
6
Catalog HY28-2662-CD/US
Flow Control (Load Sensing) (A)
Figure 4 shows a PVP pump with flow control.
The control is identical to the remote pressure
compensation control except for an integral orice,
a solid compensator spool and adjustable differential
pressure control. Port A is connected downstream of
an orice (variable or xed) to sense the actual working
pressure required. This pressure plus the differential
spring force act on the right side of the compensator
FIGURE 4
spool and will urge the spool to the left until output
pressure acting on the left side of the spool balances
the forces. As the load increases, output pressure
will increase and maintain a constant differential
pressure across the orice and thus a constant ow.
Maximum pressure is limited by the internal dart
setting. This setting is adjustable up to the maximum
preset at the factory.
Variable Volume Piston Pumps
Series PVP
Control Options
PVP SERIES
PRESSURE AND LOAD SENSE COMPENSATOR
CONTROL OPTION "A"
SENSE PORT
SENSE LINE
VARIABLE OR
FIXED ORIIFICE
REMOTE
PORT
ORIFICE
-Q
+Q
CASE DRAIN
PORT
INLET PORT
OUTLET PORT
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
7
Catalog HY28-2662-CD/US
INLET
PORT
PISTON
SERVO PISTON
SHOWN AT FULL STROKE.
CAM WILL ROTATE CW
AS PUMP GOES TOWARD
ZERO STROKE.
OUTLET
PORT
Pressure & Power Control (H)
This control option is a Torque Limiting Control, but
for constant speed applications it is generally referred
to as a Horsepower Control. This control works in
conjunction with the Remote Pressure Compensator,
control option “M”. A second pressure control device
called a horsepower control block, is assembled to
the main pump housing. The HP block is plumbed
to one of the ports on the remote compensator via
steel tubing. The control dart in the HP block and the
maximum pressure compensator dart in the remote
compensator are connected in parallel. What makes
the control dart in the HP block different from any
other external relief valve is the pressure setting is
mechanically linked to the pump swashplate angle.
The cracking pressure of the HP dart is generally
lower than the cracking pressure of the remote
compensator dart. When the HP dart opens the
FIGURE 5
pressure in the differential spring cavity is lowered
allowing the compensator spool to meter system
pressure in the servo piston. As the servo piston
extends, it rotates the swashplate and in turn rotates
the HP cam. As the cam rotates it increases the
force on the HP dart control spring. As the system
pressure is allowed to increase, the pump gradually
reduces its stroke (ow). When the system pressure
reaches the setting of the maximum pressure dart the
normal action of the remote compensator takes over.
If the HP control is set low enough, the pump may
reach zero stroke before the system pressure ever
gets a chance to open the maximum compensator
dart. This should be considered when making
low power settings on systems requiring high working
pressures.
Variable Volume Piston Pumps
Series PVP
Control Options
PVP SERIES
PRESSURE AND POWER COMPENSATOR
CONTROL OPTION "H"
REMOTE PORT
-Q
+Q
CASE DRAIN
PORT
INLET PORT
OUTLET PORT
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
8
Catalog HY28-2662-CD/US
SIGNAL LINE
COMPENSATOR
SPOOL
OUTLET
PORT
INLET
PORT
PISTON
MAX. PRESSURE
ADJUSTMENT
DIFFERENTIAL
ADJUSTMENT
VARIABLE OR
FIXED ORIFICE
SERVO PISTON
DIFFERENTIAL
SPRING
CHAMBER
SYSTEM
PRESSURE
ORIFICE
SHOWN AT FULL STROKE.
CAM WILL ROTATE CW
AS PUMP GOES TOWARD
ZERO STROKE.
Pressure, Power & Flow Control (C)
Refer to the previous section(s) on Flow Control and
Power Control. This is another case where multiple
controls can be combined in parallel. Since the
Power Control is just a special version of Remote
Pressure Control, it can be combined with the Flow
Control (Load Sense) option. The main point to
remember here is that the pressure drop which is
required to begin and maintain compensation comes
from an external device (such as a proportional
valve). This sensed pressure drop will control ow
until one of the limits of the other controls has been
exceeded. The pump will always respond to the
lowest control setting for any given pressure. In
addition to Load Sensing, Power Control, and on-
pump Pressure Control, Remote Pressure Control
can also be included in this parallel device package.
FIGURE 6
There is a remote port on the compensator body and
one on the HP Control body, either of which may
be used for remote pressure control. The important
concept to remember in load sense circuits is that
each pressure control device in and connected to
the compensator must be protected from saturation.
For this reason, use only the uppermost port on the
compensator for connection of the load sense line
and insure that an appropriate orice is installed.
All control options using a load sense compensator
spool are supplied with this orice.
Variable Volume Piston Pumps
Series PVP
Control Options
SENSE PORT
SENSE LINE
PVP SERIES
PRESSURE, LOAD SENSE
AND POWER COMPENSATOR
CONTROL OPTION "C"
REMOTE
PORT
-Q
+Q
CASE DRAIN
PORT
INLET PORT
OUTLET PORT
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
9
Catalog HY28-2662-CD/US
Quick Reference Data Chart
Performance Information
Series PVP16 Pressure Compensated,
Variable Volume, Piston Pump
Features
• High Strength Cast-Iron Housing for Reliability
and Quiet Operation
• Optional Inlet/Outlet Locations for Ease of
Installation
• Replaceable Bronze Port Plate
• Replaceable Piston Slipper Plate
• Thru-Shaft Capability SAE A and AA Pilots Offered
• Low Noise Levels - Promote More Comfortable
Operating Environment
• Fast Response Times
• Metric Pilot Shaft and Ports Available
Controls
• Pressure Compensation
• Remote Pressure Compensation
• Load Sensing
• Torque (Power) Limiting
• Adjustable Maximum Volume Stop
• Low Pressure Standby
Schematic Symbol
(Basic Pump)
Specifications
Pressure Ratings
Outlet Port: 248 bar (3600 PSI) Continuous (P1)
310 bar (4500 PSI) Peak (P3)
Inlet Port: 1.72 bar (25 PSI) Maximum
.17 bar (5 In. Hg.) Vacuum Minimum
@ 1800 RPM
(See inlet chart for other speeds)
Speed Ratings: 600 to 3000 RPM
Operating Temperature Range: – 40
°
C to 71
°
C
(– 40
°
F to 160
°
F)
Housing Material: Cast-Iron
Filtration: Maintain SAE Class 4,
ISO 16/13,
ISO 18/15 Maximum
Mounting: SAE “A” or Metric 2-Bolt
Flange Mount
Installation Data: See page 42 of this catalog for
specic recommendations pertaining to system
cleanliness, uids, start-up, inlet conditions, shaft
alignment, drain line restrictions and other important
factors relative to the proper installation and use of
these pumps.
Variable Volume Piston Pumps
Series PVP16
Technical Information
Pump
Model
Displacement
cc/rev
(In
3
/rev)
Pump Delivery
@ 21 bar (300 PSI)
in LPM (GPM)
Input Power At
1800 RPM, Max.
Displacement &
248 bar (3600 PSI)
1200 RPM 1800 RPM
PVP16 16.4 (1.0) 19.7 (5.2) 29.5 (7.8) 13.1 kw (17.5 hp)
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
10
Catalog HY28-2662-CD/US
Multiple Pump Displace- Shaft Port & Rotation Volume Thru- Thru- Control Seals Paint Multiple
Pumps Variable ment Pressure Flange Stop Shaft Shaft Option Pumps
Piston Range Sizes Option Threads Option
Variable Volume Piston Pumps
Series PVP16
Ordering Information
Code
CM
3
/REV
(In
3
/Rev.)
16 16.4 (1.0)
Code Rotation*
R (CW)
L (CCW)
* Viewed from
shaft end.
Code Painting
Omit No Paint
L Paint
Code Thru-Shaft Threads
Omit No Thru-Shaft
6* UNC
9** Metric
* Available with 2 or 4 port
option only.
** Available with 8 or 9 port
option only.
Code Thru-Shaft Options
Omit No Thru-Shaft
A1 SAE “AA” Pilot / 1/2" Key
A2 SAE “A” Pilot / 3/4" Key
A4 SAE “A” Pilot / SAE “A” 9T Spline
T Thru with Cover
Code Volume Stop Options
Omit No Volume Stop
2 Adj. Maximum Volume Stop
Code Multiple Pumps
Omit Single Pump
—
Factory Mounted to
Rear of Another Pump
Code Multiple Pumps
Omit Single Pump
—
Pump Factory
Mounted on Rear
Code Pressure Range*
10 17-69 bar (250-1000 PSI)
20 17-138 bar (250-2000 PSI)
30 17-207 bar (250-3000 PSI)
36 17-248 bar (250-3600 PSI)
* Minimum value of pressure range only
applies on control option “omit” code.
Code
Ports
Type Location
Omit SAE Rear - Straight Thread
2 SAE Side - Flange
4 SAE Side - Straight Thread
5 SAE
Rear - Straight Thread
(Vickers)
8
ISO
6149
Side - Flange
(Metric Threads)
9 BSPP
Side - Flange
(Metric Threads)
Code Shaft Option Pilot
Omit 3/4" Keyed SAE “A”
B* 9T Spline (SAE A) SAE “A”
C 11 Tooth Spline SAE “A”
K
†
18mm Keyed
Metric
* Total input torque not to exceed
58.2 N•m (517 In.-Lbs.)
†
Available with port option 8 and 9 only.
* “FLUOROELASTOMERS
are available under various
registered trademarks,
including
FLUOROCARBON
(a registered trademark of
DuPont) and FLUOREL
(a registered trademark
of 3M).”
Code Seals
Omit Nitrile
V Fluoroelastomers*
Code Control Options
Omit Pressure Compensated
**M Remote Pressure (Int.)
**ME Remote Pressure (Ext.)
A Pressure, Flow
*C Pressure, Flow, and Power
*H
Pressure Compensated
and Power
* Specify HP, RPM & comp setting when
ordering or will get default.
**
"M" (May be remotely controlled)
"ME" (Requires external pilot)
PVP 16
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
11
Catalog HY28-2662-CD/US
NOTE: The efciencies and data in the graph are nominal
values and good only for pumps running at 1800 RPM and
stroked to maximum. To calculate approximate horsepower
for the other conditions, use the following formula:
Actual GPM is directly proportional to drive speed and
maximum volume setting. Flow loss, however, is a function
of pressure only.
[ ]
Q x (PSI)
Typical Performance Data - Fluid: Standard Hydraulic Oil 100 SSU @ 49°C (120°F)
WHERE:
Q = Actual Output Flow in GPM
PSI = Pressure At Pump Outlet
CHp = Input Horsepower @ Full Compensation @ 1800 RPM
(from graph read at operating pressure)
Variable Volume Piston Pumps
Series PVP16
Performance Data
4
5
6
7
8
9
10
100
90
80
70
Flow
Efficiency - %
Power
PVP16 @ 1200 RPM
0
2
1
3
15.1
18.9
22.7
26.5
30.3
34.1
37.9
0
7.6
3.8
11.4
Volumetric Efficiency
Flow
Overall Efficiency
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
GPMLPM
0
3.0
6.0
8.9
11.9
14.9
0
4.0
8.0
12.0
16.0
20.0
HPKW
Input Power at Full Flow
Compensated Power
4
5
6
7
8
9
10
100
90
80
70
60
Flow
Efficiency - %
Power
PVP16 @ 1800 RPM
0
2
1
3
15.1
18.9
22.7
26.5
30.3
34.1
37.9
0
7.6
3.8
11.4
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
GPMLPM
0
3.0
6.0
8.9
11.9
14.9
0
4.0
8.0
12.0
16.0
20.0
HPKW
Volumetric Efficiency
Overall Efficiency
Flow
Input Power at Full Flow
Compensated Power
12.0
15.0
Outlet Flow @ Max. Displacement
Flow vs. Speed
0 1000 2000
3000
500 1500 2500
Shaft Speed - RPM
0
6.0
3.0
9.0
45.5
57.8
0
22.7
11.4
34.1
GPMLPM
PVP16
Inlet Characteristics at Full Displacement
(Graph only valid at sea level)
0 1000 1500500 2000 2500 3000
Shaft Speed - RPM
DO NOT OPERATE
IN THIS REGION
Recommended
Operating Condition
Vacuum
Inlet Pressure
6.41
4.28
2.14
PSIbar
00
5.17
10.34
15.51
20.68
In-Hgbar
HP =
1714
+ (CHp)
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
12
Catalog HY28-2662-CD/US
Typical Performance Data - Fluid: Standard Hydraulic Oil 100 SSU @ 49°C (120°F)
Power Control
Variable Volume Piston Pumps
Series PVP16
Performance Data
PVP16 @ 1200 RPM
2 HP
3 HP
5 HP
10 HP
7.5 HP
Full Flow
Torque
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
4
5
6
Flow
Torque
0
2
1
3
15.1
18.9
22.7
0
7.6
3.8
11.4
GPMLPM
0
12.4
24.8
37.0
49.5
61.9
0
110
220
330
440
550
74.3 660
In-LbsN·m
PVP16 @ 1800 RPM
2 HP
3 HP
5 HP
10 HP
7.5 HP
15 HP
Full Flow
Torque
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
4
5
6
Flow
Torque
0
2
1
3
15.1
18.9
22.7
0
7.6
3.8
11.4
0
9.0
18.0
27.0
36.0
45.0
0
80
160
240
320
400
54.0 480
7
8
26.5
30.3
GPMLPM
63.0 560
72.0 640
In-LbsN·m
100
125
150
200
Time (millisec)
PVP16 @ 1200 RPM
0
50
25
75
On-Stroking
De-Stroking
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
100
125
150
200
Time (millisec)
PVP16 @ 1800 RPM
0
50
25
75
On-Stroking
De-Stroking
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
PVP16
Compensated Power
@ 1800 RPM
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
2.0
2.5
3.0
Power
0
1.0
.5
1.5
1.5
1.9
2.2
0
.75
.37
1.1
HPKW
PVP16
Approximate Case Drain Flow
@ 1800 RPM
Remote Comp - Zero Stroke
Standard Comp - Zero Stroke
Full Flow
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
.4
.5
.6
Flow
0
.2
.1
.3
1.5
1.9
2.3
0
.8
.4
1.1
GPMLPM
Response Times
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
13
Catalog HY28-2662-CD/US
Rear Ported Pump Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTE:
Illustration shows Righthand (CW) rotation pump. Lefthand (CCW)
pumps will have inlet and outlet ports reversed with compensator
on outlet side.
OUTLET PORT SAE-12
STRAIGHT THREAD
O-RING PORT
(1-1/16-12 UN-2B REF.)
INLET PORT SAE-12
STRAIGHT THREAD
O-RING PORT
(1-1/16-12 UN-2B REF.)
DRAIN PORT SAE-6
STRAIGHT THREAD O-RING
PORT (9/16-18 UNF-2B)
(INCLUDED IN “5” OPTION ONLY)
4.78 (.188)
SAE KEY
6.35 (.25)
FLAT
COMPENSATED
PRESSURE
ADJUSTMENT
37.9 BAR (550 PSI)
PER TURN
ADJ. MAX. VOLUME STOP
(1.6 CC/REV/TURN)
“OPTION 2”
22.61 (.89)
REF.
174.75
(6.88)
21.16 (.833)
20.98 (.826)
199.64 (7.86)
MAX.
CLEARANCE FOR 3/8"
MOUNTING BOLTS
61.47
(2.42)
89.92
(3.54)
91.95
(3.62)
44.20
(1.74)
78.99
(3.11)
84.33
(3.32)
94.23
(3.71)
53.09
(2.09)
53.09
(2.09)
89.92
(3.54)
89.92
(3.54)
66.55
(2.62)
66.55
(2.62)
57.91
(2.28)
CASE DRAIN PORT
SAE-6 STRAIGHT THREAD
(9/16-18 UNC)
ROTATION
ARROW
IN
NAMEPLATE
ALTERNATE
DRAIN PORT OR
CASE PRE-FILL PORT
SAE-6 STRAIGHT THREAD
(9/16-18 UNC)
12.70
(.50)
6.09
(.24)
44.45
(1.75)
82.55 (3.250)
82.50 (3.248)
19.05 (.750)
19.02 (.749)
115.9 N·m
(1,030 IN-LBS)
MAX TORQUE
69.08
(2.72)
39.62
(1.56)
107.95
(4.25)
OPTION “B”
SPLINE SHAFT
SAE “A” 9T 16/32 DP
30° INVOLUTE SPLINE
MAX TORQUE =
58.2 N·m (517 IN-LBS)
OPTION “C”
SPLINE SHAFT
11T 16/32 DP
30° INVOLUTE SPLINE
MAX TORQUE =
102.3 N·m (909 IN-LBS)
31.75
(1.25)
31.75
(1.25)
Ø
Ø
Top View
Rear View
Front View
Side View
A
CC
D
Variable Volume Piston Pumps
Series PVP16
Dimensional Data
Pilot Dimensions
Pilot
Option
A C D
OMIT N/A
32.00
(1.26)
173.23
(6.82)
5
38.10
(1.50)
28.44
(1.12)
144.53
(6.44)
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
14
Catalog HY28-2662-CD/US
4.78 (.188)
SAE KEY
6.35 (.25)
FLAT
COMPENSATED
PRESSURE
ADJUSTMENT
37.9 BAR (550 PSI)
PER TURN
ADJ. MAX.VOLUME STOP
(1.6 CC/REV/TURN)
“OPTION 2”
22.61 (.89)
REF.
174.75
(6.91)
21.16 (.833)
20.98 (.826)
210.06 (8.27)
MAX.
CLEARANCE FOR 3/8"
MOUNTING BOLTS
61.47
(2.42)
89.92
(3.54)
91.95
(3.62)
44.20
(1.74)
53.09
(2.09)
53.09
(2.09)
78.99
(3.11)
83.33
(3.32)
94.23
(3.71)
INLET PORT OUTLET PORT
89.92
(3.54)
89.92
(3.54)
67.56
(2.66)
67.56
(2.66)
57.91
(2.28)
ROTATION
ARROW
IN
NAMEPLATE
ALTERNATE DRAIN PORT
OR CASE PRE-FILL PORT
SEE TABLE FOR SIZE
CASE DRAIN
PORT
SEE TABLE
FOR SIZE
12.70
(.50)
44.45
(1.75)
6.09
(.24)
19.05 (.750)
19.02 (.749)
69.08
(2.72)
39.62
(1.56)
107.95
(4.25)
A
Ø
Top View
Rear View
Front View
Side View
OPTION “B”
SPLINE SHAFT
SAE “A” 9T 16/32 DP
30° INVOLUTE SPLINE
MAX TORQUE =
58.2 N·m (517 IN-LBS)
OPTION “C”
SPLINE SHAFT
11T 16/32 DP
30° INVOLUTE SPLINE
MAX TORQUE =
102.3 N·m (909 IN-LBS)
31.75
(1.25)
31.75
(1.25)
Side Ported – Options 2 & 4
Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTE:
Illustration shows Righthand (CW) rotation pump.
Lefthand (CCW) pumps will have inlet and outlet ports
reversed with compensator on outlet side.
Variable Volume Piston Pumps
Series PVP16
Dimensional Data
Port Size Type and Location
Option A Inlet and Outlet Ports Drain Port
2
148.84
(5.86)
3/4" SAE 4-Bolt Flange
3/8-16 Thread
Std PSI Series (Code 61)
SAE-6 Straight Thread
(9/16-18UNC)
4
152.40
(6.00)
SAE-16 Straight Thread
(1-5/16-12UN-2B)
SAE-6 Straight Thread
(9/16-18UNC)
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
15
Catalog HY28-2662-CD/US
Side Ported – Options 8 & 9 Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTE:
Illustration shows Righthand (CW) rotation pump. Lefthand (CCW)
pumps will have inlet and outlet ports reversed with compensator on
outlet side.
3/4" SAE 4-BOLT
FLANGE -
M10 X 1.5
THREADS
STANDARD
PRESSURE
SERIES
(CODE 61)
BOTH SIDES
6 mm KEY
OPTION “K”
M6 THREAD
MAX TORQUE =
115.9 N·m (1,030 IN-LBS)
4.78 (.188)
SAE KEY
6.35 (.25)
FLAT
COMPENSATED
PRESSURE
ADJUSTMENT
37.9 BAR (550 PSI)
PER TURN
ADJ. MAX.VOLUME STOP
(1.6 CC/REV/TURN)
“OPTION 2”
22.61 (.89)
REF.
175.75
(6.91)
21.16 (.833)
20.98 (.826)
20.50 (.807)
20.22 (.796)
18.01 (.7087)
17.99 (.7083)
210.06 (8.27)
MAX.
148.84
(5.86)
CLEARANCE FOR “D”
MOUNTING BOLTS
61.47
(2.42)
89.92
(3.54)
91.95
(3.62)
44.20
(1.74)
78.99
(3.11)
83.33
(3.32)
94.23
(3.71)
INLET PORT OUTLET PORT
89.92
(3.54)
89.92
(3.54)
67.56
(2.66)
67.56
(2.66)
57.91
(2.28)
CASE DRAIN PORT
OPTION “8” –
ISO 6149-6 (M16X1.5)
OPTION “9”
3/8" BSPP
ROTATION
ARROW
IN
NAMEPLATE
ALTERNATE DRAIN PORT
OR CASE PRE-FILL PORT
OPTION “8” – ISO 6149-6 (M16X1.5)
OPTION “9” – 3/8" BSPP
12.70
(.50)
44.45
(1.75)
19.05 (.750)
19.02 (.749)
69.08
(2.72)
39.62
(1.56)
107.95
(4.25)
35.31
(1.39)
C C
B
A
Ø
Ø
Top View
Rear View
Front View
Side View
OPTION “B”
SPLINE SHAFT
SAE “A” 9T 16/32 DP
30° INVOLUTE SPLINE
MAX TORQUE =
58.2 N·m (517 IN-LBS)
OPTION “C”
SPLINE SHAFT
11T 16/32 DP
30° INVOLUTE SPLINE
MAX TORQUE =
102.3 N·m (909 IN-LBS)
31.75
(1.25)
31.75
(1.25)
Variable Volume Piston Pumps
Series PVP16
Dimensional Data
Pilot Dimensions
Shaft
Option
A
B C D
Omit
B, C
82.55/82.50
ø
(3.250/3.248)
6.10
(.24)
53.09
(2.09)
ø 3/8"
K
80.00/79.95
ø
(3.149/3.147)
7.24
(.285)
55.63
(2.19)
ø 10mm
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
16
Catalog HY28-2662-CD/US
THRU-SHAFT WITHOUT FLANGE
OPTION “6T” & “9T”
4
175.51 (6.91)
REF. TO PILOT FACE
13.5 N·m
(120 IN-LB)
TORQUE
8.89
(.35)
4.78 (.188)
SAE KEY
COMPENSATED
PRESSURE
ADJUSTMENT
37.9 BAR (550 PSI)
PER TURN
21.16 (.833)
20.98 (.826)
84.33
(3.32)
INLET PORT
OUTLET PORT
67.56
(2.66)
67.56
(2.66)
CASE DRAIN
PORT SEE TABLE
FOR SIZE
ROTATION
ARROW
IN
NAMEPLATE
12.70
(.50)
6.09
(.24)
44.45
(1.75)
82.55 (3.250)
82.50 (3.248)
19.05 (.750)
19.02 (.749)
39.62
(1.56)
107.95
(4.25)
A
C
D
E
G
F
C
H
Ø
Top View
Side View
Rear View
Ø
Thru-Shaft Pump Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTES:
1. Righthand (CW) rotation pump shown above.
Counterclockwise (CCW) pump will have inlet and outlet
ports reversed with the compensator over the outlet port.
2. Splined shaft (option “B”) not recommended with
Thru-Shaft pumps.
3. The maximum torque transmitting capacity for rear
mounting of pumps is limited by the allowable torque
of the input shaft.
4. Options 6A2, 6A4, 9A2 and 9A4 Design Series 12 have
a gasket. All other options incorporate an o-ring seal
and have an o-ring groove.
Variable Volume Piston Pumps
Series PVP16
Dimensional Data
VARIATION
C D E F G H
6A1 41.28 (1.63) 50.83/50.85 (2.001/2.002) 57.66 (2.27) 5/16–18UNC–2B 12.50 x 3.18 (.50 x .125) Key 200.91 (7.91)
6A2 53.19 (2.09) 82.58/82.60 (3.251/3.252) 64.01 (2.52) 3/8–16UNC–2B 19.05 x 4.76 (.75 x .188) Key 207.26 (8.16)
6A4 53.19 (2.09) 82.58/82.60 (3.251/3.252) N/A 3/8–16UNC–2B 9 Tooth 16/32 Pitch 207.26 (8.16)
9A2 53.19 (2.09) 82.58/82.60 (3.251/3.252) 64.01 (2.52) M10 x 1.50 19.05 x 4.76 (.75 x .188) Key 207.26 (8.16)
9A4 53.19 (2.09) 82.58/82.60 (3.251/3.252) N/A M10 x 1.50 9 Tooth 16/32 Pitch 207.26 (8.16)
Dimensions – Thru Shaft Options
Port Size Type and Location
Option A Inlet and Outlet Ports Drain Port
2
148.84
(5.86)
3/4" SAE 4-Bolt Flange
3/8-16 Thread
Std PSI Series (Code 61)
SAE-6 Straight Thread
(9/16-18UNC)
4
152.40
(6.00)
SAE-16 Straight Thread
(1-5/16-12UN-2B)
SAE-6 Straight Thread
(9/16-18UNC)
8
148.84
(5.86)
3/4" SAE 4-Bolt Flange
M10 Thread
Std PSI Series (Code 61)
ISO 6149-6
M16 x 1.50
9
148.84
(5.86)
3/4" SAE 4-Bolt Flange
M10 Thread
Std PSI Series (Code 61)
3/8" - BSPP
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
17
Catalog HY28-2662-CD/US
Remote Compensator Control Pump Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTES:
1. Righthand (CW) rotation pump shown below. Lefthand (CCW) pumps will
have compensator on opposite side.
2. When controlling pump compensator pressure with remote relief valve,
remote relief valve must be capable of passing 1.89 LPM (.5 GPM).
3. Remote compensator option “M”, “ME” & “A” available on pumps with
any port location.
FOR “M”, “ME”, “A”,
“H” & “C” OPTION
FOR “A” & “C” OPTION
DIFFERENTIAL
ADJUSTMENT
(INCLUDED ON “A”
& “C” OPTION)
27.5 BAR (400 PSI)
PER TURN
25.40
(1.00)
77.72
(3.06)
53.34
(2.10)
REF.
45.72
(1.80)
REF.
ADAPTOR FITTING
SUPPLIED WITH
PORT OPTION “8”
PUMPS
ISO 6149-4
(M12X1.5)
130.56
(5.14)
REF
17.02
(.67)
ADAPTOR FITTING
SUPPLIED WITH
“9” OPTION
1/4"
BSPP
130.56
(5.14)
REF
22.86
(.90)
REMOTE CONTROL PORT
SAE-4 STRAIGHT THREAD
O-RING PORT
(7/16-20UN-2B REF)
NAMEPLATE
DRAIN PORT SAE-6
STRAIGHT THREAD O-RING PORT
(9/16-18UNF-2B)
INTERNAL ORIFICE
INSTALLED ON
OPTIONS “ME”, “A” & “C”
44.19
(1.74)
65.79
(2.59)
65.79
(2.59)
COMPENSATED
PRESSURE ADJUSTMENT
64.8 BAR (940 PSI)
PER TURN
130.56
(5.14)
130.56
(5.14)
ROTATION
ARROW
IN
102.62
(4.04)
C
OF PUMP
L
Top View
Side View
Front View
Variable Volume Piston Pumps
Series PVP16
Dimensional Data
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
18
Catalog HY28-2662-CD/US
Power (Torque) Control Pump Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTES:
1. Righthand (CW) rotation rear ported pump shown. Counterclockwise (CCW)
pumps will have inlet and outlet ports reversed with compensator and power
block on outlet side.
2. Power control shown on rear ported pump. Also available on side ported or
thru-shaft option pumps.
TORQUE LIMIT ADJUSTMENT
CONTROL OPTION “H”
SENSITIVITY APPROX.
21.4 N·m (190 IN-LB)
PER TURN
SAE-4 STRAIGHT THREAD PORT
FOR REMOTE PRESSURE LIMITING
IF DESIRED (CONTROL OPTION “H”)
OR LOAD SENSE PORT
(CONTROL OPTION “C”)
112.01
(4.41)
OPTIONAL REMOTE PRESSURE
COMPENSATOR SIGNAL PORT
ON “H” OR “C” OPTION PUMPS
(SAE-4 STRAIGHT THREAD PORT)
DO NOT USE THIS PORT FOR LOAD
SENSE SIGNAL
103.12
(4.06)
29.72
(1.17)
44.19
(1.74)
135.89
(5.35)
IN
Top View
Side View
Front View
Variable Volume Piston Pumps
Series PVP16
Dimensional Data
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
19
Catalog HY28-2662-CD/US
Performance Information
Series PVP 23/33 Pressure Compensated,
Variable Volume, Piston Pumps
Features
• High Strength Cast-Iron Housing for Reliability
and Quiet Operation
• Optional Inlet/Outlet Locations for Ease
of Installation
• Replaceable Bronze Port Plate
• Replaceable Piston Slipper Plate
• Thru-Shaft Capability SAE AA, A and
B Pilots Offered
• Low Noise Levels
• Fast Response Times
• Metric Pilot Shaft and Ports Available
Controls
• Pressure Compensation
• Remote Pressure Compensation
• Load Sensing
• Torque (Power) Limiting
• Adjustable Maximum Volume Stop
• Low Pressure Standby
Schematic Symbol
(Basic Pump)
Specifications
Pressure Ratings
Outlet Port: 248 bar (3600 PSI) Continuous (P1)
310 bar (4500 PSI) Peak (P3)
Inlet Port: 1.72 bar (25 PSI) Maximum
.17 bar (5 In. Hg.) Vacuum Minimum
@ 1800 RPM
(See inlet chart for other speeds)
Speed Ratings: 600 to 3000 RPM
Operating Temperature Range:
Housing Material: Cast-Iron
Filtration: Maintain SAE Class 4,
ISO 16/13,
ISO 18/15 Maximum
Mounting: SAE “B” or Metric 2-Bolt
Flange Mount
Installation Data: See page 42 of this catalog for
specic recommendations pertaining to system
cleanliness, uids, start-up, inlet conditions, shaft
alignment, drain line restrictions and other important
factors relative to the proper installation and use of
these pumps.
Variable Volume Piston Pumps
Series PVP 23/33
Technical Information
Quick Reference Data Chart
Pump
Model
Displacement
cc/rev
(In
3
/rev)
Pump Delivery
@ 21 bar (300 PSI)
in LPM (GPM)
Input Power At
1800 RPM, Max.
Displacement &
248 bar (3600 PSI)
1200 RPM 1800 RPM
PVP23 23.0 (1.4) 28.0 (7.4) 42.0 (11.1) 19.7 kw (26.5 hp)
PVP33 33.0 (2.0) 39.4 (10.4) 59.0 (15.6) 27.2 kw (36.5 hp)
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
20
Catalog HY28-2662-CD/US
Variable Volume Piston Pumps
Series PVP 23/33
Ordering Information
Multiple Pump Displace- Shaft Port & Rotation Volume Thru- Thru- Control Seals Paint Multiple
Pumps Variable ment Pressure Flange Stop Shaft Shaft Option Pumps
Piston Range Sizes Option Threads Option
Code
CM
3
/REV
(In
3
/Rev.)
23 23 (1.4)
33 33 (2.0)
Code Rotation*
R (CW)
L (CCW)
* Viewed from
shaft end.
Code Painting
Omit No Paint
L Paint
Code Thru-Shaft Threads
Omit No Thru-Shaft
6* UNC
9** Metric
* Available with 2 or 3 port
option only.
** Available with 8 or 9 port
option only.
Code Thru-Shaft Options
Omit No Thru-Shaft
A1* SAE “AA” Pilot / 1/2" Key
A2* SAE “A” Pilot / 3/4" Key
A4 SAE “A” Pilot / SAE “A” 9T Spline
A5 SAE “A” Pilot / 11T Spline
B1* SAE “B” Pilot / SAE “B” 7/8" Key
B2* SAE “B” Pilot / SAE “BB” 1" Key
B3 SAE “B” Pilot / SAE “B” 13T Spline
B4 SAE “B” Pilot / SAE “BB” 15T Spline
* Keyed option only available with UNC threads.
Code Volume Stop Options
Omit No Volume Stop
2 Adj. Maximum Volume Stop
Code Multiple Pumps
Omit Single Pump
—
Factory Mounted to
Rear of Another Pump
Code Multiple Pumps
Omit Single Pump
—
Pump Factory
Mounted on Rear
Code Pressure Range*
10 17-69 bar (250-1000 PSI)
20 17-138 bar (250-2000 PSI)
30 17-207 bar (250-3000 PSI)
36 17-248 bar (250-3600 PSI)
* Minimum value of pressure range only
applies on control option “omit” code.
Code
Ports
Type Location
Omit SAE Rear - Straight Thread
2 SAE
Side - Flange
(Inch Threads)
3 SAE Side - Straight Thread
8
ISO
6149
Side - Flange
(Metric Threads)
9 BSPP
Side - Flange
(Metric Threads)
Code Shaft Option Pilot
Omit 7/8" Keyed (SAE B) SAE “B”
B* 13T Spline (SAE B) SAE “B”
C 1" Keyed (SAE BB) SAE “B”
D
15T Spline
(SAE BB)
SAE “B”
K
†
25mm Keyed Metric
* Maximum input torque is 208.1 N•m
(1850 In-Lbs).
†
Available with 8 or 9 port option only.
* “FLUOROELASTOMERS
are available under various
registered trademarks,
including
FLUOROCARBON
(a registered trademark of
DuPont) and FLUOREL
(a registered trademark
of 3M).”
Code Seals
Omit Nitrile
V Fluoroelastomers*
Code Control Options
Omit Pressure Compensated
**M Remote Pressure (Int.)
**ME Remote Pressure (Ext.)
A Pressure and Flow
*C Pressure, Flow, and Power
*H
Pressure Compensated
and Power
* Specify HP, RPM & comp setting when
ordering or will get default.
**
"M" (May be remotely controlled)
"ME" (Requires external pilot)
PVP 16
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
21
Catalog HY28-2662-CD/US
NOTE: The efciencies and data in the graph are good only
for pumps running at 1800 RPM and stroked to maximum. To
calculate approximate horsepower for the other conditions,
use the following formula:
Actual GPM is directly proportional to drive speed and
maximum volume setting. Flow loss, however, is a function
of pressure only.
8
10
12
14
16
18
20
100
90
80
70
60
50
Flow
Efficiency - %
Power
PVP23 @ 1800 RPM
0
4
2
6
30.3
37.9
45.4
53.0
60.6
68.2
75.7
0
15.1
7.6
22.7
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
GPMLPM
0
3.0
6.0
8.9
11.9
14.9
0
4.0
8.0
12.0
16.0
20.0
17.9
20.9
23.9
24.0
28.0
32.0
HPKW
Volumetric Efficiency
Overall Efficiency
Flow
Input Power at Full Flow
Compensated Power
Typical Performance Data - Fluid: Standard Hydraulic Oil 100 SSU @ 49°C (120°F)
WHERE:
Q = Actual Output Flow in GPM
PSI = Pressure At Pump Outlet
CHp = Input Horsepower @ Full Compensation @ 1800 RPM
(from graph read at operating pressure)
Variable Volume Piston Pumps
Series PVP 23/33
Performance Data
8
10
12
14
16
18
20
100
90
80
70
60
50
Flow
Efficiency - %
Power
PVP33 @ 1800 RPM
0
4
2
6
30.3
37.9
45.4
53.0
60.6
68.2
75.7
0
15.1
7.6
22.7
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
GPMLPM
0
6.0
11.9
17.9
23.9
29.8
0
8.0
16.0
24.0
32.0
40.0
HPKW
Volumetric Efficiency
Overall Efficiency
Flow
Input Power at Full Flow
Compensated Power
Flow vs. Speed
0 1000 2000 3000500 1500 2500
Shaft Speed - RPM
PVP 33
PVP 23
16.0
28.0
Outlet Flow @ Max. Displacement
0
8.0
4.0
12.0
60.6
106.0
0
30.3
15.2
45.5
24.0
20.0
90.8
75.7
GPMLPM
PVP 23/33
Inlet Characteristics at Full Displacement
(Graph only valid at sea level)
0 1000 1500500 2000 2500 3000
Shaft Speed - RPM
DO NOT OPERATE
IN THIS REGION
Recommended
Operating Condition
Vacuum
Inlet Pressure
6.41
4.28
2.14
PSIbar
00
5.17
10.34
15.51
20.68
In-Hgbar
[ ]
Q x (PSI)
HP =
1714
+ (CHp)
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
22
Catalog HY28-2662-CD/US
Full Flow
Torque
PVP23 @ 1800 RPM
7.5 HP
15 HP
10 HP
20 HP
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
8
10
12
Flow
Torque
0
4
2
6
30.3
37.9
45.4
0
15.1
7.6
22.7
0
19.7
39.4
59.1
78.8
98.4
0
175
350
525
700
875
118.1 1050
GPMLPM
In-LbsN·m
Typical Performance Data - Fluid: Standard Hydraulic Oil 100 SSU @ 49°C (120°F)
Power Control
Variable Volume Piston Pumps
Series PVP 23/33
Performance Data
PVP33 @ 1800 RPM
25 HP
20 HP
30 HP
10 HP
7.5 HP
15 HP
Full Flow
Torque
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
8
10
16
Flow
Torque
0
4
2
6
30.3
37.9
60.6
1453.0
1245.4
0
15.1
7.6
22.7
0
19.7
39.4
59.1
78.8
98.4
0
175
350
525
700
875
157.5 1400
137.8 1225
118.1 1050
GPMLPM
In-LbsN·m
Response Times
80
100
120
Time (millisec)
PVP 23/33 @ 1200 RPM
0
40
20
60
De-Stroking
On-Stroking
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
80
100
120
Time (millisec)
PVP 23/33 @ 1800 RPM
0
40
20
60
On-Stroking
De-Stroking
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
PVP 23/33
Approximate Case Drain Flow
@ 1800 RPM
Remote Comp - Zero Stroke
Standard Comp - Zero Stroke
Full Flow
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
.4
.5
.6
Flow
0
.2
.1
.3
1.5
1.9
2.3
.7
.8
2.7
3.0
0
.8
.4
1.1
.93.4
GPMLPM
PVP 23/33
Compensated Power
@ 1800 RPM
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
2.0
2.5
3.0
Power
0
1.0
.5
1.5
1.5
1.9
2.2
0
.75
.37
1.1
3.5
4.0
2.6
3.0
HPKW
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
23
Catalog HY28-2662-CD/US
Rear Ported Pump Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTES:
1. Righthand (CW) rotation pump shown. Lefthand (CCW) pumps have inlet and outlet ports reversed.
2. Pump shown with standard pressure compensator (control option “omit”).
.250
SAE KEY
ADJ. MAX.VOLUME STOP
(3.3CC/REV./TURN)
“OPTION 2”
3.81
(.15)
63.50
(2.50)
25.06 (.987)
24.92 (.981)
221.74 (8.73)
MAX
42.42
(1.67)
REF.
49.28
(1.94)
CLEARANCE FOR 1/2"
MOUNTING BOLTS
71.12
(2.80)
82.55
(3.25)
72.90
(2.87)
72.90
(2.87)
192.02
(7.56)
88.39
(3.48)
102.62
(4.04)
21.59
(.85)
26.67
(1.05)
76.96
(3.03)
79.50
(3.13)
IN
OUT
26.67
(1.05)
53.34
(2.10)
49.53
(1.95)
107.19
(4.22)
107.19
(4.22)
76.20
(3.00)
33.27
(1.31)
33.27
(1.31)
76.20
(3.00)
PRESSURE
COMPENSATOR
ADJUSTMENT
SENSITIVITY:
37.9 BAR (550 PSI)
PER TURN
101.60 (4.000)
101.55 (3.998)
69.09
(2.72)
122.94
(4.84)
SHAFT OPTION
“OMIT”
(SAE “B”)
22.23 (.875)
22.20 (.874)
MAX TORQUE
208.6 N·m
(1,852 IN-LBS)
58.67
(2.31)
23.88
(.94)
9.40
(.37)
41.91
(1.65)
12.70
(.50)
38.10
(1.50)
Ø
Ø
Ø
Ø
ROTATION
ARROW
ALTERNATE DRAIN PORT SAE-8
STRAIGHT THREAD O-RING PORT
(3/4-16UN-2B REF)
OUTLET PORT SAE-20
STRAIGHT THREAD
O-RING PORT
(1-5/8-12UN-2B REF)
INLET PORT SAE-20
STRAIGHT THREAD
O-RING PORT
(1-5/8-12UN-2B REF)
ALTERNATE DRAIN PORT
SAE-8 STRAIGHT THREAD
O-RING PORT (3/4-16UNF-2B REF.)
DRAIN PORT SAE-8
STRAIGHT THREAD
O-RING PORT
(3/4-16UNF-2B REF.)
Top View
Rear View
Front View
Side View
.250 SAE KEY
SHAFT OPTION “B”
(SAE “B”)
13 TEETH 16/32 PITCH
30° INVOLUTE SPLINE
MAX TORQUE = 208.4 N·m (1,852 IN-LBS)
SHAFT OPTION “C”
(SAE “BB”)
MAX TORQUE =
336.0 N·m (2,987 IN-LBS)
SHAFT OPTION “D”
(SAE “BB”)
15 TEETH 16/32 PITCH
30° INVOLUTE SPLINE
MAX TORQUE = 336.0 N·m (2,987 IN-LBS)
41.15
(1.62)
45.97
( 1.81)
45.97
( 1.81)
27.94 (1.10)
28.19 (1.11)
25.40 (1.00)
25.37 (.999)
Ø
Variable Volume Piston Pumps
Series PVP 23/33
Dimensional Data
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
24
Catalog HY28-2662-CD/US
Side Ported – Options 2 & 3 Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTES:
1. Righthand (CW) rotation pump shown. Lefthand (CCW) pumps have inlet and
outlet ports reversed.
2. Pump shown with standard pressure compensator (control option “omit”).
.250
SAE KEY
3.81
(.15)
63.50
(2.50)
25.06 (.987)
24.92 (.981)
42.42
(1.67)
REF.
49.28
(1.94)
CLEARANCE FOR 1/2"
MOUNTING BOLTS
DRAIN PORT
SAE-8 STRAIGHT THREAD
(3/4-16UN)
71.12
(2.80)
82.55
(3.25)
72.90
(2.87)
72.90
(2.87)
215.65
(8.49)
88.39
(3.48)
102.62
(4.04)
21.59
(.85)
26.67
(1.05)
76.96
(3.03)
79.50
(3.13)
ROTATION ARROW
IN OUT
26.67
(1.05)
53.34
(2.10)
107.19
(4.22)
107.19
(4.22)
82.55
(3.25)
DRAIN PORT
SAE-8 STRAIGHT THREAD
(3/4-16UN)
PRESSURE
COMPENSATOR
ADJUSTMENT
SENSITIVITY:
37.9 BAR (550 PSI)
PER TURN
101.60 (4.000)
101.55 (3.998)
69.09
(2.72)
122.94
(4.84)
58.67
(2.31)
23.88
(.94)
21.59
(.85)
9.40
(.37)
41.91
(1.65)
12.70
(.50)
38.10
(1.50)
Ø
Ø
Ø
Ø
A A
ADJ. MAX.VOLUME STOP
(3.3CC/REV./TURN)
“OPTION 2”
221.74 (8.73)
MAX
174.50
(6.87)
.250 SAE KEY
SHAFT OPTION “B”
(SAE “B”)
13 TEETH 16/32 PITCH
30° INVOLUTE SPLINE
MAX TORQUE = 208.4 N·m (1,852 IN-LBS)
SHAFT OPTION “C”
(SAE “BB”)
MAX TORQUE =
336.0 N·m (2,987 IN-LBS)
SHAFT OPTION “D”
(SAE “BB”)
15 TEETH 16/32 PITCH
30° INVOLUTE SPLINE
MAX TORQUE = 336.0 N·m (2,987 IN-LBS)
41.15
(1.62)
45.97
( 1.81)
45.97
( 1.81)
27.94 (1.10)
28.19 (1.11)
25.40 (1.00)
25.37 (.999)
Ø
Top View
Rear View
Front View
Side View
SHAFT OPTION
“OMIT”
(SAE “B”)
22.23 (.875)
22.20 (.874)
MAX TORQUE
208.6 N·m
(1,852 IN-LBS)
Variable Volume Piston Pumps
Series PVP 23/33
Dimensional Data
Port Location
Option A Inlet and Outlet Ports
2
148.84
(3.10)
1-1/4" SAE 4-Bolt Flange
7/16-14 Threads Standard
Pressure Series (Code 61)
3
152.40
(3.22)
SAE-20 Straight Thread
(1-5/8-12UN-2B)
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
25
Catalog HY28-2662-CD/US
Side Ported – Options 8 & 9 Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTES:
1. Righthand (CW) rotation pump shown. Lefthand (CCW)
rotation pump will have inlet and outlet ports reversed.
2. Pump shown with standard pressure compensator
(control option “omit”).
.250
SAE KEY
3.81
(.15)
63.50
(2.50)
25.06 (.987)
24.92 (.981)
42.42
(1.67)
REF.
49.28
(1.94)
CLEARANCE FOR “D”
MOUNTING BOLTS
ALTERNATE DRAIN
OPTION “8”
ISO 6149-8 (M18X1.5)
OPTION “9” 1/2" BSPP
71.12
(2.80)
82.55
(3.25)
215.65
(8.49)
88.34
(3.48)
102.62
(4.04)
21.59
(.85)
26.67
(1.05)
76.96
(3.03)
79.50
(3.13)
ROTATION ARROW
IN OUT
26.67
(1.05)
53.34
(2.10)
107.19
(4.22)
107.19
(4.22)
78.74
(3.10)
78.74
(3.10)
DRAIN PORT
OPTION “8”
ISO 6149-8
(M18X1.5)
OPTION “9”
1/2" BSPP
PRESSURE
COMPENSATOR
ADJUSTMENT
SENSITIVITY:
37.9 BAR (550 PSI)
PER TURN
69.09
(2.72)
122.94
(4.84)
22.23 (.875)
22.20 (.874)
58.67
(2.31)
23.88
(.94)
21.59
(.85)
41.91
(1.65)
12.70
(.50)
38.10
(1.50)
Ø
Ø
Ø
ADJ. MAX.VOLUME STOP
(3.3CC/REV./TURN)
“OPTION 2”
221.74 (8.73)
MAX
174.50
(6.87)
C
A
B
C
1-1/4" SAE 4-BOLT
FLANGE M10 X 1.5 THREADS
STANDARD PRESSURE SERIES
(CODE 61) BOTH SIDES
Top View
Rear View
Front View
Side View
SHAFT OPTION “K”
(ø 25mm REF)
8mm x 7mm KEY
MAX TORQUE = 336.4 N·m (2,990 IN-LBS)
52.83
(2.08)
28.02 (1.103)
27.66 (1.089)
25.00 (.9843)
24.99 (.9838)
M10 THREAD
ø
Variable Volume Piston Pumps
Series PVP 23/33
Dimensional Data
Pilot Dimensions
Shaft
Option
A
B C D
Omit
B, C, D
101.60/101.55
(4.000/3.998)
9.40
(.37)
72.90
(2.87)
ø 12.70
(.50)
K
100.00/99.95
(3.937/3.935)
9.14
(.36)
69.85
(2.75)
ø 12mm
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
26
Catalog HY28-2662-CD/US
174.50
(6.87)
206.76
(8.14)
CC
A
13.5 N·m
(120 IN-LB)
TORQUE
E
G
F
D
3
2
B
Top View
Side View
Rear View
Thru-Shaft Pump Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTES:
1. Righthand (CW) rotation side ported pump shown.
Lefthand (CCW) pump will have inlet and outlet
ports reversed.
2. Install coupler on shaft of rear pump to dimension
shown then lock down coupler using set screws.
3. Options, 6A2, 6A4, 9A4 and 9A5 Design Series 20
have a gasket seal, all other thru-shaft options
incorporate an o-ring seal and have an
o-ring groove.
4. Maximum torque transmitting capacity 209 N•m
(1850 in-lbs).
Variable Volume Piston Pumps
Series PVP 23/33
Dimensional Data
Thru-Shaft Options
VARIATION
A B C D E F G
6A1 232.16 (9.14) 50.83/50.85 (2.001/2.002) 41.28 (1.63) 5/16-18UNC-2B 12.70 x 3.18 (.50 x .125) Key 38.10 (1.50) 69.09 (2.72)
6A2 238.51 (9.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) 3/8-16UNC-2B 19.05 x 4.76 (.75 x .188) Key 44.45 (1.75) 75.44 (2.97)
6A4 238.51 (9.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) 3/8-16UNC-2B 9 Tooth 16/32 Pitch 31.75 (1.25) N/A
6A5 238.51 (9.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) 3/8-16UNC-2B 11 Tooth 16/32 Pitch 31.75 (1.25) N/A
6B1 252.48 (9.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) 1/2-13UNC-2B 22.23 x 6.35 (.875 x .25) Key 58.67 (2.31) 89.41 (3.52)
6B2 252.48 (9.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) 1/2-13UNC-2B 25.40 x 6.35 (1.00 x .25) Key 45.97 (1.81) 89.41 (3.52)
6B3 252.48 (9.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) 1/2-13UNC-2B 13 Tooth 16/32 Pitch 41.15 (1.62) N/A
6B4 252.48 (9.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) 1/2-13UNC-2B 15 Tooth 16/32 Pitch 45.97 (1.81) N/A
9A4 238.51 (9.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) M10 x 1.50 9 Tooth 16/32 Pitch 31.75 (1.25) N/A
9A5 238.51 (9.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) M10 x 1.50 11 Tooth 16/32 Pitch 31.75 (1.25) N/A
9B3 252.48 (9.94) 101.63/101.65 (4.001/4.00) 73.03 (2.88) M12 x 1.75 13 Tooth 16/32 Pitch 41.15 (1.62) N/A
9B4 252.48 (9.94) 101.63/101.65 (4.001/4.00) 73.03 (2.88) M12 x 1.75 15 Tooth 16/32 Pitch 45.97 (1.81) N/A
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
27
Catalog HY28-2662-CD/US
Remote Compensator Control Pump Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTES:
1. Righthand (CW) rotation rear ported pump shown. Lefthand (CCW) pumps will have
inlet and outlet ports reversed.
2. When controlling pump compensator pressure with remote relief valve, size relief
valve to pass a minimum of 1.89 LPM (.5 GPM).
3. Remote compensator shown on rear ported pump. Also available on side ported or
thru-shaft option pumps.
72.90
(2.87)
65.28
(2.57)
122.94
(4.84)
21.59
(.85)
ROTATION
ARROW
DRAIN PORT SAE-8
STRAIGHT THREAD
O-RING PORT
(3/4-16UNF-2B REF.)
REMOTE CONTROL PORT
SAE-4 STRAIGHT THREAD
O-RING PORT
(7/16-20UNF-2B REF.)
INTERNAL ORIFICE
INSTALLED ON CONTROL
OPTIONS “ME” & “A”
ADAPTOR FITTING
SUPPLIED WITH
PORT OPTION “8”
PUMPS
ISO 6149-4
(M12X1.5)
139.95
(5.51)
REF
17.02 (.67)
21.59
(.85)
ADAPTOR FITTING
SUPPLIED WITH
“9” OPTION
1/4"
BSPP
139.95
(5.51)
REF
22.85 (.90)
139.95
(5.51)
25.40
(1.00)
87.12
(3.43)
DIFFERENTIAL PRESSURE
ADJUSTMENT SENSITIVITY:
27.5 BAR (400 PSI) PER TURN
(INCLUDED ON “A” CONTROL
OPTION)
PRESSURE COMPENSATOR
ADJUSTMENT:
64.8 BAR (940 PSI) PER TURN
Top View
Side View
Front View
Variable Volume Piston Pumps
Series PVP 23/33
Dimensional Data
Thru-Shaft Options
VARIATION
A B C D E F G
6A1 232.16 (9.14) 50.83/50.85 (2.001/2.002) 41.28 (1.63) 5/16-18UNC-2B 12.70 x 3.18 (.50 x .125) Key 38.10 (1.50) 69.09 (2.72)
6A2 238.51 (9.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) 3/8-16UNC-2B 19.05 x 4.76 (.75 x .188) Key 44.45 (1.75) 75.44 (2.97)
6A4 238.51 (9.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) 3/8-16UNC-2B 9 Tooth 16/32 Pitch 31.75 (1.25) N/A
6A5 238.51 (9.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) 3/8-16UNC-2B 11 Tooth 16/32 Pitch 31.75 (1.25) N/A
6B1 252.48 (9.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) 1/2-13UNC-2B 22.23 x 6.35 (.875 x .25) Key 58.67 (2.31) 89.41 (3.52)
6B2 252.48 (9.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) 1/2-13UNC-2B 25.40 x 6.35 (1.00 x .25) Key 45.97 (1.81) 89.41 (3.52)
6B3 252.48 (9.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) 1/2-13UNC-2B 13 Tooth 16/32 Pitch 41.15 (1.62) N/A
6B4 252.48 (9.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) 1/2-13UNC-2B 15 Tooth 16/32 Pitch 45.97 (1.81) N/A
9A4 238.51 (9.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) M10 x 1.50 9 Tooth 16/32 Pitch 31.75 (1.25) N/A
9A5 238.51 (9.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) M10 x 1.50 11 Tooth 16/32 Pitch 31.75 (1.25) N/A
9B3 252.48 (9.94) 101.63/101.65 (4.001/4.00) 73.03 (2.88) M12 x 1.75 13 Tooth 16/32 Pitch 41.15 (1.62) N/A
9B4 252.48 (9.94) 101.63/101.65 (4.001/4.00) 73.03 (2.88) M12 x 1.75 15 Tooth 16/32 Pitch 45.97 (1.81) N/A
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
28
Catalog HY28-2662-CD/US
Power (Torque) Control Pump Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTES:
1. Righthand (CW) rotation rear ported pump shown. Lefthand (CCW) pumps
will have inlet and outlet ports reversed.
2. Power control shown on rear ported pump. Also available on side ported or
thru-shaft option pumps.
71.88
(2.83)
POWER CONTROL ADJUSTMENT
CONTROL OPTION “H”
SENSITIVITY: APPROXIMATELY
22.5 N·m (200 IN-LB) PER TURN
OPTIONAL REMOTE PRESSURE COMPENSATOR
SIGNAL PORT ON “H” OR “C” OPTION PUMPS
(SAE-4 STRAIGHT THREAD PORT)
DO NOT USE THIS PORT FOR LOAD SENSE SIGNAL
SAE-4 STRAIGHT THREAD
O-RING PORT
(7/16-20UNF-2B REF.)
LOAD SENSE CONTROL
PORT FOR CONTROL
OPTION “C”.
OPTIONAL REMOTE
COMPENSATOR CONTROL
PORT FOR CONTROL
OPTION “H”
74.42
(2.93)
27.94
(1.10)
122.68
(4.83)
105.92
(4.17)
41.91
(1.65)
142.24
(5.60)
21.34
(.84)
127.51
(5.02)
Top View
Side View Front View
Variable Volume Piston Pumps
Series PVP 23/33
Dimensional Data
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
29
Catalog HY28-2662-CD/US
Specifications
Pressure Ratings
Outlet Port: 248 bar (3600 PSI) Continuous (P1)
310 bar (4500 PSI) Peak (P3)
Inlet Port: 1.72 bar (25 PSI) Maximum
.17 bar (5 In. Hg.) Vacuum
Minimum @ 1800 RPM
(See inlet chart for other speeds)
Case Drain Port: .34 bar (5 PSI) Max. above
Inlet Port .34 bar (10 PSI)
Maximum
Speed Ratings: 600 to 2800 RPM — PVP41
600 to 2400 RPM — PVP48
Operating Temperature Range: – 40
°
C to 71
°
C
(– 40
°
F to 160
°
F)
Housing Material: Cast-Iron
Filtration: ISO 16/13 Recommended
ISO 18/15 Maximum
Mounting: SAE “B” or Metric 2-Bolt
Flange Mount
Installation Data: See page 42 of this catalog for
specic recommendations pertaining to system
cleanliness, uids, start-up, inlet conditions, shaft
alignment, drain line restrictions and other important
factors relative to the proper installation and use of
these pumps.
Performance Information
Series PVP 41/48 Pressure Compensated,
Variable Volume, Piston Pumps
Features
• High Strength Cast-Iron Housing for Reliability
and Quiet Operation
• Optional Inlet/Outlet Locations for Ease
of Installation
• Replaceable Bronze Port Plate
• Replaceable Piston Slipper Plate
• Thru-Shaft Capability SAE AA, A or B Pilots
• Low Noise Levels
• Fast Response Times
• Metric Pilot Shaft and Ports Available
Controls
• Pressure Compensation
• Remote Pressure Compensation
• Load Sensing
• Torque (Power) Limiting
• Adjustable Maximum Volume Stop
• Low Pressure Standby
• Hi/Lo Torque (Power) Limiting
Schematic Symbol
(Basic Pump)
Variable Volume Piston Pumps
Series PVP 41/48
Technical Information
Quick Reference Data Chart
Pump
Model
Displacement
cc/rev
(In
3
/rev)
Pump Delivery
@ 7 bar (100 PSI)
in LPM (GPM)
Input Power At
1800 RPM, Max.
Displacement &
248 bar (3600 PSI)
1200 RPM 1800 RPM
PVP41 41.0 (2.5) 49.2 (13.0) 73.8 (19.5) 33.2 kw (44.5 hp)
PVP48 48.0 (2.9) 57.6 (15.2) 86.4 (22.8) 40.3 kw (54.0 hp)
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
30
Catalog HY28-2662-CD/US
Variable Volume Piston Pumps
Series PVP 41/48
Ordering Information
Multiple Pump Displace- Shaft Port & Rotation Volume Thru- Thru- Control Seals Paint Multiple
Pumps Variable ment Pressure Flange Stop Shaft Shaft Option Pumps
Piston Range Sizes Option Threads Option
Code
CM
3
/REV
(In
3
/Rev.)
41 41 (2.5)
48 48 (2.9)
Code Rotation*
R (CW)
L (CCW)
* Viewed from
shaft end.
Code Painting
Omit No Paint
L Paint
Code Thru-Shaft Threads
Omit No Thru-Shaft
6* UNC
9** Metric
* Available with 2 or 3 port
option only.
** Available with 8 or 9 port
option only.
Code Thru-Shaft Options
Omit No Thru-Shaft
A1* SAE “AA” Pilot / 1/2" Key
A2* SAE “A” Pilot / 3/4" Key
A4 SAE “A” Pilot / SAE “A” 9T Spline
A5 SAE “A” Pilot / 11T Spline
B1* SAE “B” Pilot / SAE “B” 7/8" Key
B2* SAE “B” Pilot / SAE “BB” 1" Key
B3 SAE “B” Pilot / SAE “B” 13T Spline
B4 SAE “B” Pilot / SAE “BB” 15T Spline
* Keyed option only available with UNC threads.
Code Volume Stop Options
Omit No Volume Stop
2 Adj. Maximum Volume Stop
Code Multiple Pumps
Omit Single Pump
—
Factory Mounted to
Rear of Another Pump
Code Multiple Pumps
Omit Single Pump
—
Pump Factory
Mounted on Rear
Code Pressure Range*
10 17-69 bar (250-1000 PSI)
20 17-138 bar (250-2000 PSI)
30 17-207 bar (250-3000 PSI)
36 17-248 bar (250-3600 PSI)
* Minimum value of pressure range only
applies on control option “omit” code.
Code
Ports
Type Description
Omit SAE Rear - Straight Thread
2 SAE
Side - Flange
(Inch)
3 SAE Side - Straight Thread
8
ISO
6149
Side - Flange
(Metric Threads)
9 BSPP
Side - Flange
(Metric Threads)
Code Shaft Option Pilot
Omit 7/8" Keyed (SAE B) SAE “B”
B* 13T Spline (SAE B) SAE “B”
C 1" Keyed (SAE BB) SAE “B”
D
15T Spline
(SAE BB)
SAE “B”
K
†
25mm Keyed Metric
* Maximum input torque is 208.1 N•m
(1850 In-Lbs).
†
Available with 8 or 9 port option only.
* “FLUOROELASTOMERS
are available under various
registered trademarks,
including
FLUOROCARBON
(a registered trademark of
DuPont) and FLUOREL
(a registered trademark
of 3M).”
Code Seals
Omit Nitrile
V Fluoroelastomers*
Code Control Options
Omit Pressure Compensated
**M Remote Pressure (Int.)
**ME Remote Pressure (Ext.)
A Pressure and Flow
C Pressure, Flow, and Power
H*
Pressure Compensated
and Power
HLM*
Remote Pressure and
Hi/Lo Power
HLA*
Pressure, Flow and
Hi/Lo Power
PVP 16
* Specify HP, RPM & comp setting when
ordering or will get default.
**
"M" (May be remotely controlled)
"ME" (Requires external pilot)
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
31
Catalog HY28-2662-CD/US
PVP 41/48
Flow vs. Shaft Speed
0 1000 2000 3000 0 1000 2000 3000
DO NOT OPERATE
IN THIS REGION
Recommended
Operating Condition
PVP41
PVP48
Vacuum
Inlet Pressure
8.55
6.41
4.27
2.14
PSIbar
00
5.34
10.68
151.03
201.38
In-Hgbar
PVP 41/48
Inlet Characteristics at Full Displacement
(Graph only valid at sea level)
Shaft Speed - RPM
30.0
40.0
Outlet Flow @ Max. Displacement
Shaft Speed - RPM
0
10.0
5.0
20.0
113.6
151.5
0
37.9
18.9
75.7
35.0
15.0
25.0
132.5
56.8
94.7
GPMLPM
NOTE: The efciencies and data in the graph are good only for
pumps running at 1200 or 1800 RPM and stroked to maximum.
To calculate approximate horsepower for the other conditions,
use the following formula:
Actual GPM is directly proportional to drive speed and
maximum volume setting. Flow loss, however, is a function
of pressure only.
WHERE:
Q = Actual Output Flow in GPM
PSI = Pressure At Pump Outlet
CHp = Input Horsepower @ Full compensation
@ 1800 RPM (from graph read at
operating pressure)
Typical Performance Data - Fluid: Standard Hydraulic Oil 100 SSU @ 49°C (120°F)
Variable Volume Piston Pumps
Series PVP 41/48
Performance Data
12
16
18
21
24
100
90
80
70
60
50
Flow
Efficiency - %
Power
PVP41 @ 1200 RPM
0
6
3
9
45.4
60.6
68.1
79.5
90.9
0
22.7
11.4
34.1
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
GPMLPM
0
11.2
22.4
0
15.0
30.0
33.6
44.8
45.0
60.0
HPKW
Flow
Efficiency
Compensated Power
Full Flow Power
12
16
18
21
24
100
90
80
70
60
50
Flow
Efficiency - %
Power
PVP41 @ 1800 RPM
0
6
3
9
45.4
60.6
68.1
79.5
90.9
0
22.7
11.4
34.1
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
GPMLPM
0
11.2
22.4
0
15.0
30.0
33.6
44.8
45.0
60.0
HPKW
Flow
Efficiency
Compensated Power
Full Flow Power
12
16
18
21
24
100
90
80
70
60
50
Flow
Efficiency - %
Power
PVP48 @ 1200 RPM
0
6
3
9
45.4
60.6
68.1
79.5
90.9
0
22.7
11.4
34.1
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
GPMLPM
0
11.2
22.4
0
15.0
30.0
33.6
44.8
45.0
60.0
HPKW
Flow
Efficiency
Compensated Power
Full Flow Power
12
16
18
21
24
100
90
80
70
60
50
Flow
Efficiency - %
Power
PVP48 @ 1800 RPM
0
6
3
9
45.4
60.6
68.1
79.5
90.9
0
22.7
11.4
34.1
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
GPMLPM
0
11.2
22.4
0
15.0
30.0
33.6
44.8
45.0
60.0
HPKW
Flow
Efficiency
Compensated Power
Full Flow Power
[ ]
HP =
Q x (PSI)
+ (CHp)
1714
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
32
Catalog HY28-2662-CD/US
Typical Performance Data - Fluid: Standard Hydraulic Oil 100 SSU @ 49°C (120°F)
Power Control
Variable Volume Piston Pumps
Series PVP 41/48
Performance Data
200
250
300
Time (millisec)
PVP 41/48 @ 1200 RPM
0
100
50
150
On-Stroking
De-Stroking
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
Response Times
200
250
300
Time (millisec)
PVP 41/48 @ 1800 RPM
0
100
50
150
On-Stroking
De-Stroking
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
PVP 41/48
Approximate Case Drain Flow
@ 1800 RPM
Standard Comp - Zero Stroke
Remote Comp - Zero Stroke
Full Flow
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
.8
1.0
1.2
Flow
0
.4
.2
.6
3.0
3.8
4.5
0
1.5
.8
2.3
1.66.1
1.45.3
GPMLPM
Compensated Power
@ 1800 RPM
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
4.0
5.0
6.0
Power
0
2.0
1.0
3.0
3.0
3.7
4.5
0
1.5
.75
2.2
HPKW
PVP41 @ 1800 RPM
Flow
10 HP
15 HP
20 HP
25 HP
30 HP
35 HP
40 HP
45 HP
Full Flow
Torque
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
20
25
Flow
Torque
0
10
5
15
75.7
94.6
0
37.9
18.9
56.8
0
56.3
112.5
168.8
225.0
281.3
0
500
1000
1500
2000
2500
GPMLPM
In-LbsN·m
PVP48 @ 1800 RPM
10 HP
15 HP
20 HP
25 HP
30 HP
35 HP
40 HP
45 HP
50 HP
55 HP
Flow
Full Flow
Torque
0
0
Bar
PSI
69
1000
138
2000
207
3000
275
4000
Pressure
20
25
Flow
Torque
0
10
5
15
75.7
94.6
0
37.9
18.9
56.8
0
56.3
112.5
168.8
225.0
281.3
0
500
1000
1500
2000
2500
GPMLPM
In-LbsN·m
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
33
Catalog HY28-2662-CD/US
ADJUSTABLE MAX. VOLUME STOP
(OPTION 2) FLOW CHANGE PER TURN
= 4.1 CC/REV PER TURN
APPROX. @
FULL PRESS
SHAFT OPTION “OMIT”
(SAE “B”)
MAXIMUM TORQUE
= 208.1 N·m
(1,850 IN-LBS)
.250
SAE KEY
25.07 (.987)
24.82 (.977)
22.23 (.875)
22.20 (.874)
107.44
(4.23)
93.22
(3.67)
95.50
(3.76)
97.79
(3.85)
44.45
(1.75)
101.60 (4.00)
101.55 (3.99)
68.58
(2.70)
75.95
(2.99)
55.63
(2.19)
107.69
(4.24)
220.22
(8.67)
58.67
(2.31)
9.40
(.37)
231.14 (9.10) AT MAX. DISPL (48 CC/REV)
212.85 (8.38) AT ZERO FLOW
107.69
(4.24)
88.14
(3.47)
88.14
(3.47)
44.45
(1.75)
44.45
(1.75)
41.15
(1.62)
71.12
(2.80)
47.75
(1.88)
124.21
(4.89)
27.18
(1.07)
15.49
(.61)
45.97
(1.81)
72.89
(2.87)
72.89
(2.87)
ø
ø
SHAFT OPTION “B”
(SAE “B”) 13 TEETH
16/32 PITCH
30° INVOLUTE SPLINE
MAX. TORQUE = 208.1 N·m (1,850 IN-LBS)
SHAFT OPTION “D”
(SAE “BB”) 15 TEETH
16/32 PITCH
30° INVOLUTE SPLINE
MAX. TORQUE = 336.4 N·m (2,990 IN-LBS)
IN
OUT
SAE -24 STRAIGHT
THREAD PORT
SAE -16 STRAIGHT
THREAD PORT
OPTIONAL DRAIN PORT FOR
INVERTED APPLICATIONS
SAE-10 STRAIGHT THREAD PORT
ROT
DRAIN PORT
SAE -10 STRAIGHT
THREAD PORT
PRESSURE COMPENSATOR
ADJUSTMENT SENSITIVITY:
APPROX. 37.8 BAR (550 PSI)
PER TURN
Top View
Front View
Side View
Rear View
.250 SAE KEY
45.97
(1.81)
28.14 (1.10)
27.89 (1.09)
SHAFT OPTION “C”
(SAE “BB”)
1" DIA. REF.
MAX TORQUE =
336.4 N·m (2,990 IN-LBS)
Rear Ported Pump Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTES:
1. Righthand (CW) rotation pump shown. Lefthand (CCW)
rotation pump will have inlet and outlet ports reversed.
2. Pump shown with standard pressure compensator
(control option “omit”).
Variable Volume Piston Pumps
Series PVP 41/48
Dimensional Data
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
34
Catalog HY28-2662-CD/US
OPTIONAL DRAIN PORT FOR
INVERTED APPLICATIONS
SAE-10 STRAIGHT THREAD
SEE CHART FOR
INLET & OUTLET
PORT SPECIFICATIONS
ADJUSTABLE MAX. VOLUME STOP
(OPTION 2) FLOW CHANGE PER TURN
= 4.1 CC/REV PER TURN
IN OUT
ROT
DRAIN PORT
SAE-10 STRAIGHT
THREAD PORT
DRAIN PORT
SAE-10
7/8-14 THREAD
APPROX @ FULL PRESS
SHAFT OPTION
“OMIT”
(SAE “B”)
MAXIMUM TORQUE
= 208.1 N·m
(1,850 IN-LBS)
.250
SAE KEY
25.07 (.986)
24.82 (.976)
22.23 (.875)
22.20 (.874)
84.84
(3.34)
68.58
(2.70)
99.82
(3.93)
107.44
(4.23)
93.22
(3.67)
95.50
(3.76)
87.38
(3.44)
97.79
(3.86)
99.82
(3.93)
25.40
(1.00)
25.40
(1.00)
44.45
(1.75)
101.60 (4.00)
101.55 (3.99)
84.84
(3.34)
87.38
(3.44)
95.25
(3.75)
107.69
(4.24)
176.28
(6.94)
191.01
(7.52)
58.67
(2.31)
9.40
(.37)
240.79
(9.48)
107.69
(4.24)
95.25
(3.75)
71.12
(2.80)
47.75
(1.88)
124.21
(4.89)
176.28
(6.94)
27.18
(1.07)
15.49
(.61)
72.89
(2.87)
72.89
(2.87)
ø
ø
Top View
Front View
Side View
Rear View
41.15
(1.62)
45.97
(1.81)
SHAFT OPTION “B”
(SAE “B”) 13 TEETH
16/32 PITCH
30° INVOLUTE SPLINE
MAX. TORQUE = 208.1 N·m (1,850 IN-LBS)
SHAFT OPTION “D”
(SAE “BB”) 15 TEETH
16/32 PITCH
30° INVOLUTE SPLINE
MAX. TORQUE = 336.4 N·m (2,990 IN-LBS)
.250 SAE KEY
45.97
(1.81)
28.14 (1.10)
27.89 (1.09)
SHAFT OPTION “C”
(SAE “BB”)
1" DIA. REF.
MAX TORQUE =
336.4 N·m (2,990 IN-LBS)
Side Ported – Options 2 & 3 Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTES:
1. Righthand (CW) rotation pump shown. Lefthand (CCW)
rotation pump will have inlet and outlet ports reversed.
2. Pump shown with standard pressure compensator
(control option “omit”).
Variable Volume Piston Pumps
Series PVP 41/48
Dimensional Data
Port Size
Option Inlet Outlet
2
1-1/2" SAE 4-Bolt Flange
1/2-13 Thread Standard
Pressure Series (Code 61)
1" SAE 4-Bolt Flange
3/8-16 Thread Standard
Pressure Series (Code 61
3
SAE-24 Straight Thread
(1-7/8-12UN-2B)
SAE-16 Straight Thread
(1-5/16-12UN-2B)
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
35
Catalog HY28-2662-CD/US
SEE CHART FOR
INLET & OUTLET
PORT SPECIFICATIONS
ADJUSTABLE MAX. VOLUME STOP
(OPTION 2) FLOW CHANGE PER TURN
= 4.1 CC/REV PER TURN
IN OUT
ROT
OPTIONAL
DRAIN PORT
OPTION “8”
ISO 6149
(M22X1.5)
OPTION “9”
3/4" BSPP
DRAIN PORT
OPTION “8” ISO 6149 (M22X1.5)
OPTION “9” 3/4" BSPP
CLEARANCE FOR
“D” MOUNTING
BOLTS BOTH EARS
APPROX. @ FULL PRESS
SHAFT OPTION “OMIT”
(SAE “B”)
MAXIMUM TORQUE
= 208.1 N·m
(1,850 IN-LBS)
.250
SAE KEY
25.07 (.986)
24.82 (.976)
22.23 (.875)
22.20 (.874)
84.84
(3.34)
68.58
(2.70)
107.44
(4.23)
93.22
(3.67)
95.50
(3.76)
87.38
(3.44)
97.79
(3.86)
25.40
(1.00)
25.40
(1.00)
44.45
(1.75)
84.84
(3.34)
87.38
(3.44)
95.25
(3.75)
107.69
(4.24)
176.28
(6.94)
191.01
(7.52)
58.67
(2.31)
240.79
(9.48)
107.69
(4.24)
95.25
(3.75)
71.12
(2.80)
47.75
(1.88)
124.21
(4.89)
176.28
(6.94)
27.18
(1.07)
15.49
(.61)
ø
ALTERNATE DRAIN PORT
(USE IF PUMP IS INVERTED)
OPTION “8” ISO 6149 (M22X1.5)
OPTION “9” 3/4" BSPP
A
B
C C
SHAFT OPTION “K”
(ø 25mm REF)
8mm x 7mm KEY
MAX TORQUE =
336.4 N·m (2,990 IN-LBS)
52.83
(2.08)
28.02 (1.10)
27.66 (1.08)
25.00 (.984)
24.99 (.983)
M10 THREAD.250 SAE KEY
ø
Top View
Front View
Rear View
Side View
41.15
(1.62)
45.97
(1.81)
45.97
(1.81)
28.14 (1.10)
27.89 (1.09)
SHAFT OPTION “B”
(SAE “B”) 13 TEETH
16/32 PITCH
30° INVOLUTE SPLINE
MAX. TORQUE =
208.1 N·m (1,850 IN-LBS)
SHAFT OPTION “D”
(SAE “BB”) 15 TEETH
16/32 PITCH
30° INVOLUTE SPLINE
MAX. TORQUE =
336.4 N·m (2,990 IN-LBS)
SHAFT OPTION “C”
(SAE “BB”)
1" DIA. REF.
MAX TORQUE =
336.4 N·m (2,990 IN-LBS)
Side Ported – Options 8 & 9 Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTES:
1. Righthand (CW) rotation pump shown. Lefthand (CCW) rotation
pump will have inlet and outlet ports reversed.
2. Pump shown with standard pressure compensator (control
option “omit”).
Variable Volume Piston Pumps
Series PVP 41/48
Dimensional Data
Pilot Dimensions
Shaft Option A
B C D
Omit
B, C, D
101.60/101.55
(4.000/3.998)
9.40
(.37)
72.90
(2.87)
ø 12.70
(.50)
K
100.00/99.95
3.937/ 3.935)
9.14
(.36)
69.85
(2.75)
ø 11.94
(.47)
Inlet Port Outlet Port
1-1/2" SAE 4-Bolt Flange
M12 Thread Standard
Pressure Series (Code 61)
1" SAE 4-Bolt Flange
M10 Thread Standard
Pressure Series (Code 61)
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
36
Catalog HY28-2662-CD/US
WHEN MOUNTING PUMPS
WITH STRAIGHT SHAFTS,
INSTALL COUPLING TO
THIS DIMENSION BEFORE
MOUNTING PUMP
NOTE: INPUT TORQUE RATINGS SHOWN ON PAGE A91
INCLUDE COMBINED TORQUE OF BOTH PUMPS.
ADAPTOR MAY BE ROTATED
90 DEGREES IF DESIRED
ROT
232.16 (9.14)
REF.
A
C C
D
B
G
F
E
2
Top View
Side View
Rear View
Thru-Shaft Pump Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTES:
1. Righthand (CW) rotation side ported pump with straight
thread ports shown. Lefthand (CCW) pumps will have
inlet and outlet ports reversed.
2. Later versions of Thru-Shaft options 6A2, 6A4, 6A5,
9A4 and 9A5, incorporate a gasket, P/N 801209 to
seal on the rear pump rather than an o-ring.
3. Maximum torque transmitting capacity for
rear pumps = 208.1 N•m (1,850 In-Lbs).
Variable Volume Piston Pumps
Series PVP 41/48
Dimensional Data
Dimensions – Thru Shaft Options
VARIATION
A B C D E F G
6A1 257.56 (10.14) 50.83/50.85 (2.001/2.002) 41.28 (1.63) 5/16-18UNC-2B o/ .50 X .125 Key 38.10 (1.50) 69.09 (2.72)
6A2 263.91 (10.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) 3/8-16UNC-2B o/ .75 X .1875 Key 44.45 (1.75) 75.44 (2.97)
6A4 263.91 (10.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) 3/8-16UNC-2B 9 Tooth 16/32 Pitch 31.75 (1.25) N/A
6A5 263.91 (10.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) 3/8-16UNC-2B 11 Tooth 16/32 Pitch 31.75 (1.25) N/A
6B1 277.88 (10.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) 1/2-13UNC-2B o/ .875 X .25 Key 58.67 (2.31) 89.41 (3.52)
6B2 277.88 (10.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) 1/2-13UNC-2B o/ 1.00 X .25 Key 45.97 (1.81) 89.41 (3.52)
6B3 277.88 (10.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) 1/2-13UNC-2B 13 Tooth 16/32 Pitch 41.15 (1.62) N/A
6B4 277.88 (10.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) 1/2-13UNC-2B 15 Tooth 16/32 Pitch 45.97 (1.81) N/A
9A4 263.91 (10.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) M10 x 1.50 9 Tooth 16/32 Pitch 31.75 (1.25) N/A
9A5 263.91 (10.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) M10 x 1.50 11 Tooth 16/32 Pitch 31.75 (1.25) N/A
9B3 277.88 (10.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) M12 x 1.75 13 Tooth 16/32 Pitch 41.15 (1.62) N/A
9B4 277.88 (10.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) M12 x 1.75 15 Tooth 16/32 Pitch 45.97 (1.81) N/A
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
37
Catalog HY28-2662-CD/US
Remote Compensator Control Pump Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTES:
1. Righthand (CW) rotation rear ported pump shown. Lefthand (CCW) pumps will
have inlet and outlet ports reversed.
2. When controlling pump compensator pressure with remote relief valve, size relief
valve to pass 1.89 LPM (.5 GPM).
3. Remote compensator shown on rear ported pump. Also available on side ported
or thru-shaft option pumps.
PRESSURE COMPENSATOR ADJUSTMENT
SENSITIVITY: APPROXIMATELY
64.8 BAR (940 PSI) PER TURN
DIFFERENTIAL PRESSURE ADJUSTMENT
SENSITIVITY: APPROXIMATELY
27.5 BAR (400 PSI) PER TURN
(INCLUDED ON “A” CONTROL OPTION)
REMOTE CONTROL PORT
SAE-4 STRAIGHT THREAD
O-RING PORT
INTERNAL ORIFICE
INSTALLED ON
OPTIONS “ME”,
“A” & “C”
DRAIN PORT
SAE-10 STRAIGHT
THREAD PORT
144.78
(5.70)
91.95
(3.62)
25.40
(1.00)
98.30 (3.87)
REF.
93.22 (3.67)
REF.
148.08
(5.83)
ADAPTOR FITTING
SUPPLIED WITH
PORT OPTION “8”
PUMPS
ISO 6149-4
(M12X1.5)
17.02
(.67)
44.45
(1.75)
149.35
(5.70)
REF
ADAPTOR FITTING
SUPPLIED WITH
“9” OPTION
1/4"
BSPP
144.78
(5.70)
REF
22.86
(.90)
Top View
Front View Side View
Variable Volume Piston Pumps
Series PVP 41/48
Dimensional Data
VARIATION
A B C D E F G
6A1 257.56 (10.14) 50.83/50.85 (2.001/2.002) 41.28 (1.63) 5/16-18UNC-2B o/ .50 X .125 Key 38.10 (1.50) 69.09 (2.72)
6A2 263.91 (10.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) 3/8-16UNC-2B o/ .75 X .1875 Key 44.45 (1.75) 75.44 (2.97)
6A4 263.91 (10.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) 3/8-16UNC-2B 9 Tooth 16/32 Pitch 31.75 (1.25) N/A
6A5 263.91 (10.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) 3/8-16UNC-2B 11 Tooth 16/32 Pitch 31.75 (1.25) N/A
6B1 277.88 (10.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) 1/2-13UNC-2B o/ .875 X .25 Key 58.67 (2.31) 89.41 (3.52)
6B2 277.88 (10.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) 1/2-13UNC-2B o/ 1.00 X .25 Key 45.97 (1.81) 89.41 (3.52)
6B3 277.88 (10.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) 1/2-13UNC-2B 13 Tooth 16/32 Pitch 41.15 (1.62) N/A
6B4 277.88 (10.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) 1/2-13UNC-2B 15 Tooth 16/32 Pitch 45.97 (1.81) N/A
9A4 263.91 (10.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) M10 x 1.50 9 Tooth 16/32 Pitch 31.75 (1.25) N/A
9A5 263.91 (10.39) 82.58/82.60 (3.251/3.252) 53.19 (2.09) M10 x 1.50 11 Tooth 16/32 Pitch 31.75 (1.25) N/A
9B3 277.88 (10.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) M12 x 1.75 13 Tooth 16/32 Pitch 41.15 (1.62) N/A
9B4 277.88 (10.94) 101.63/101.65 (4.001/4.002) 73.03 (2.88) M12 x 1.75 15 Tooth 16/32 Pitch 45.97 (1.81) N/A
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
38
Catalog HY28-2662-CD/US
Power (Torque) Control Pump Dimensions
* Inch equivalents for millimeter dimensions are shown in (**).
NOTES:
1. Righthand (CW) ported pump shown.
2. Power (Torque) control shown with rear ported pump.
Also available on side ported and thru-shaft pumps.
3. Power torque control does not change with rotation.
44.45
(1.75)
61.47
(2.42)
TORQUE CONTROL ADJUSTMENT
CONTROL OPTIONS “H” & “C”
APPROXIMATE / SENSITIVITY:
PVP48: 135.0 N·m (1200 IN-LBS) PER TURN
PVP41: 125.0 N·m (1000 IN-LBS) PER TURN
OPTIONAL REMOTE PRESSURE COMPENSATOR
SIGNAL PORT ON “H” OR “C” OPTION PUMPS
(SAE-4 STRAIGHT THREAD PORT)
DO NOT USE THIS PORT FOR LOAD SENSE SIGNAL
LOAD SENSE SIGNAL PORT
ON “C” OPTION PUMP
(SAE-4 STRAIGHT THREAD PORT)
50.55
(1.99)
120.40
(4.74)
129.29
(5.09)
120.14
(4.73)
REF
144.78
(5.70)
Front View
Side View
Variable Volume Piston Pumps
Series PVP 41/48
Dimensional Data
Parker Hannifin Corporation
Hydraulic Pump and Power Systems Division
Marysville, Ohio USA
39
Catalog HY28-2662-CD/US
Use of a Relief Valve
The use of a relief valve, while not mandatory is
recommended in the main circuit to suppress
hydraulic shock loads and adds additional
system protection.
Fluid Recommendations
Premium quality hydraulic oil with a viscosity range
between 150-250 SSU (30-50 cst.) at 38°C (100°F).
Normal operating viscosity range between 80-1000
SSU (17-180 cst.). Maximum start-up viscosity is
4000 SSU (1000 cst.).
NOTE: Consult Parker when exceeding 71°C (160°F)
Inlet Fluid Temperatures. Oil should
have maximum anti-wear properties, rust and
oxidation treatment.
Filtration
For maximum pump and system component life,
the system should be protected from contamination
at a level not to exceed 125 particles greater than
10 microns per milliliter of uid. (SAE Class 4/ISO
16/13.) Due to the nature of variable displacement
pumps, variations in pump inlet conditions, uid
acceleration losses, system aeration, and duty cycle
we do not recommend suction line lters. We do
recommend the use of a properly sized, in-tank,
suction strainer. Contact your Parker representative
for assistance.
Start-Up
On initial start-up, the case should be lled with oil,
pressure adjustments should be reduced and the
circuit should be open to permit priming.
Inlet Conditions
Not to exceed .17 bar (5 In. Hg.) Vacuum at 1800
RPM on petroleum base uids. See recommended
speed spectrum for specic inlet conditions.
Shaft Rotation and Line Up
Pump and motor shaft alignment must be within
.010 TIR maximum, using a standard oating
coupling. Please follow coupling manufacturer’s
recommended installation instructions to prevent end
thrust on pump shaft. Turn pump to assure freedom
of rotation. Pump and motor must be on a rigid base.
The coupling should be sized to absorb the peak
horsepower developed.
Installation and Mounting
When mounting a PVP Series Pump, the “case
drain” must be on top of the pump. The “case drain”
should be a separate line unrestricted to the reservoir
and extend below the oil level as far from the inlet
line
as possible. The “case drain” line must not exceed
.7 bar (10 PSI) back pressure. Suggested maximum
line length is 10 feet.
Special Installations
Consult your Parker representative for any
application requiring the following:
Pressure above rated, drive speed above maximum,
indirect drive, uid other than petroleum oil, oil
temperature above 71°C (160°F).
Inlet Pressure
Not to exceed 1.72 bar (25 PSI).
Variable Volume Piston Pumps
Series PVP
Installation Information