Industrial Solutions

P-Series

Variable Displacement,
Bidirectional Pumps
Features & Benefits of the P Series Variable Displacement, Bidirectional Pump include:
  • Axial piston design
  • Infinitely variable pump displacement
  • Bidirectional flow capability
  • Optional auxiliary pump available
  • Tandem configurations available
  • Return-to-neutral control assist and standard control options
  • Shock valve relief options
  • Pump-through shaft option for pump mounted cooling fan
  • Configuration flexibility
  • Input shaft options
  • Pump fan shroud option
Product TypePCPGPJPRPW
Displacementin3/rev
[cc/rev]
0.37
[6.1]		0.62
[10.2]		0.73
[12]		0.97
[16]		1.33
[21.8]
Input Speed
Maximum Unloaded
Minimum Loaded		rpm
rpm

3600
1800
3600
1800
3600
1800
3600
1800
3600
1800
System Operating Pressure
Continuous

Intermittent

Peak		psi
[bar]
psi
[bar]
psi
[bar]

750
[51]
1750
[120]
2500
[172]
1000
[70]
2100
[145]
3500
[240]
1000
[70]
2100
[145]
3500
[240]
1250
[86]
2500
[172]
3750
[260]
1250
[86]
2500
[172]
3750
[260]
Pump Performance
@ 2400 rpm/1000 psi
@ 3000 rpm/1000 psi
@ 3600 rpm/1000 psi 		gpm [l/min]
gpm [l/min]
gpm [l/min]

3.6 [13.6]
4.5 [17.0]
5.4 [20.4]
6.1 [23.1]
7.6 [28.8]
9.2 [34.8]
7.1 [26.8]
8.9 [33.6]
10.8 [40.8]
9.6 [36.3]
12 [45.4]
14.4 [54.5]
13.1 [49.6]
16.4 [62.1]
19.6 [74.2]
Case Pressure
Maximum @ Cold Start
Continuous - Max.		psi [bar]
psi [bar]

10 [0.7]
4 [0.3]
10 [0.7]
4 [0.3]
10 [0.7]
4 [0.3]
25 [1.7]
10 [0.7]
25 [1.7]
10 [0.7]
Inlet Vacuum
Maximum Continuous Inches Mercury
4
4
4
4
4
Charge Pump Displacement(s)
 in3/rev
[cc/rev]

.13
[2.1]
0.11/0.13
[1.9/2.1]
0.19
[3.2]
0.13/0.19
[2.1/3.2]
0.13/0.19
[2.1/3.2]
Auxiliary Pump Displacement
 in3/rev
[cc/rev]

0.19
[3.2]
0.19
[3.2]
0.19
[3.2]
0.19
[3.2]
0.19
[3.2]
Auxiliary Pump Relief Setting
 psi
[bar]

650
[45]
650
[45]
650
[45]
650
[45]
650
[45]
Auxiliary Pump Performance
@3200 rpm, 500 psi, 70 SUS
[13 Cst] oil, & 180°F
gpm
[l/min]


1.8 - 2.0
[6.8 - 7.6]

1.8 - 2.0
[6.8 - 7.6]

1.8 - 2.0
[6.8 - 7.6]

1.8 - 2.0
[6.8 - 7.6]

1.8 - 2.0
[6.8 - 7.6]
Control Torque Required
to Stroke Pump
[Approximate - 20° External Stroke Angle]
lb-in / 1000 psi
[N-m / 70 bar]
lb-in / 500 psi
[N-m / 35 bar]



75
[8.5]
55
[6.2]


85
[9.6]
60
[6.8]


85
[9.6]
60
[6.8]


95
[10.7]
75
[8.5]


105
[11.9]
85
[9.6]
Pump Oil Temperature
Maximum Intermittent (hottest point)

Normal Operating Range		°F
[°C]
°F
[°C]

230
[110]
-10 to 200
[-23 to 93]
230
[110]
-10 to 200
[-23 to 93]
230
[110]
-10 to 200
[-23 to 93]
230
[110]
-10 to 200
[-23 to 93]
230
[110]
-10 to 200
[-23 to 93]
Fluid Viscosity Limits @ 230°F [110°C]
Optimum
Minimum		SUS[cSt]
SUS[cSt]

70 [13]
55 [9]
70 [13]
55 [9]
70 [13]
55 [9]
70 [13]
55 [9]
70 [13]
55 [9]
Weight of Unit
 lbs [kg]

7 [3.2]
8 [3.6]
12.65 [5.7]
12 [5.4]
14 [6.3]
Inlet Filtration Requirement
Nominalmicron

25
25
25
25
25