Parker Medium Pressure Mobile Pumps – P1 Series

Parker P1 Series is a variable displacement medium pressure axial piston pumps for open-circuit mobile applications. We “HYDRAULIC HUB” is a leading supplier and repair service provider of Parker Medium Pressure Mobile Pumps – P1 Series within their sizes/frames.

Series : Parker P1 Series
Axial Piston Variable Displacement Pump
Model : P1/PD 018, P1/PD 028, P1/PD 045, P1/PD 060, P1/PD 075, P1/PD 085, P1/PD 100, P1/PD 140.
Nominal Pressure 320 Bar (Psi 4640)
Maximum Pressure 350 Bar (Psi 5075)
Maximum Speed range of 600 – 1,800 rpm
Used in a wide range of applications – • Agriculture Machinery, • Construction Equipment, • Material Handling Equipment, • Forestry Equipment, • Oil & gas, • Mobile

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Parker Medium Pressure Mobile Pumps (P1 Series) are variable displacement medium pressure axial piston pumps designed for open-circuit mobile applications. These pumps are constructed in a compact size that makes them ideal in limited space conditions. P1 Series produces low noise level and reliable performance, which enables them to be suitable in various machines. Parker P1 piston pumps deliver a continuous operating pressure of up to 4,060 psi (280 bar).

Parker P1 Medium Pressure Piston Pumps are developed with a cradle-bearing design that increases productivity and improves the working environment. These pumps are available with a robust, wide temperature range, full power thru-drive capability, and an optional torque limiter. Concrete pumps, chemical pump trailers, backhoes, bulldozers, front loaders, and winches are some of the common applications where these pumps are utilized.

These pumps are featured with unique "ripple chamber" technology, which minimize pressure pulsations and decrease noise. With lower power consumption and reduced heat, the Parker P1 pump ensures reliable performance and efficient control. Additionally, Parker designs high-drive speed models for mobile markets and low-noise models for industrial markets.

Technical Specifications

Maximum Vacuum Flow Rate: n/a

Operating Pressure: 280 bar, 4000 psi

Technology: Hydraulics

Flow Rate: 278 L/min, 73 gal/min

Displacement: 140 cm3/rev, 8.5 inch3/rev

Body Material: Cast Iron

Drain Option: Yes

Charge Pump Included: No

Circuit Path: Open

Configuration: Single, Tandem, Multiple

Control Method: Pressure Limiter, Load Sense, Electronic Control, Unloading, Proportional, Fan Drive

Energy Recovery Capability: Yes

Filter Included: No

For Fluid Type: Standard Hydraulic Fluids

Maximum Displacement: 140 cm3/rev, 8.5 inch3/rev

Maximum Flow Rate: 73 gal/min, 278 L/min

Maximum Fluid Temperature: 95 °C, 200 °F

Minimum Fluid Temperature: -40 °C, -40 °F

Maximum Noise Level: 87 dBA

Maximum Operating Pressure: 280 bar, 4000 psi

Radial Load Capacity: 160-594 lb-ft

Maximum Operating Speed: 3300 RPM

Maximum Kinematic Viscosity: n/a

Minimum Kinematic Viscosity: n/a

Weight: 14 to 82 kg, 30 to 180 lb

Media: Hydraulic / Liquid, Hydraulic Fluids, Liquids

Mounting Option: SAE, ISO

Port Connection: SAE, ISO, BSPP

Port Type: Flange, Straight Threaded

Port Location: Side Ports, Rear Ports, Opposing Ports

Pump Type: Piston, Variable

Direction of Rotation: Clockwise, Counterclockwise

Sensor Type: Displacement & Pressure

Shaft Type: SAE, ISO

Thru-Drive Capability: Yes

Technical Data

Model	P1/PD 018	P1/PD 028	P1/PD 045	P1/PD 060	P1/PD 075	P1/PD 085	P1/PD 100	P1/PD 140
Maximum Displacement, cm3/rev cu.in./rev	18 1.10	28 1.71	45 2.75	60 3.66	75 4.58	85 5.19	100 6.01	140 8.54
Outlet Pressure – Continuous	280 bar (4060 psi)					250 bar (3600 psi)	280 bar (4060 psi)
Intermittent*	320 bar (4640 psi)					300 bar (4350 psi)	320 bar (4640 psi)
Peak	350 bar (5075 psi)					320 bar (4640 psi)	350 bar (5075 psi)
P1 Maximum Speed (1.3 bar abs inlet), rpm	3500	3400	3100	2800	2700	2700	2500	2400
P1 (1.0 bar abs inlet), rpm	3300	3200	2800	2500	2400	2400	2250	2100
P1 (0.8 bar abs inlet), rpm	2900	2900	2400	2200	2100	2100	1900	1800
PD Maximum Speed (1.0 bar abs inlet), rpm	1800
PD (0.8 bar abs inlet), rpm	1800
Minimum Speed, rpm	600
Inlet Pressure – Maximum	11 bar absolute (160 psi)
Rated	1.0 bar absolute (14.5 psi
Minimum	0.8 bar absolute (11.6 psi)
Case Pressure – Peak, bar	4.0 bar absolute (58 psi) and less than 0.5 bar (7.3 psi) above inlet pressure
Rated, bar	2.0 bar absolute (29 psi) and less than 0.5 bar (7.3 psi) above inlet pressure
Fluid Temperature Range, °C °F	-40 to +95 -40 to +203
Fluid Viscosity – Rated, cSt	7 to 160
Optimum Range, cSt	14-50 cSt.
Max. Intermittent, cSt	5000 (for cold starting)
Min. Intermittent, cSt	5
Fluid Contamination – Rated, ISO	20/18/14
Weight – End Port, kg (lb)	13.4 (29.5)	17.7 (39.0)	23 (50)	29 (64)	30 (66)	30 (66)	51 (112)	66 (145)
Side Port, kg (lb)	14.2 (31.3)	18.1 (40.0)	24 (52)	30 (67)	31 (68)	31 (68)	53 (117)	67 (147)
Thru-Drive, kg (lb)	15 (34)	22 (48)	27 (59)	34 (75)	35 (77)	35 (77)	55 (121)	82 (180)
Moment of Inertia kg·mm2	760	1555	3208	4548	5041	5041	12027	21400
Moment of Inertia Thru-Drive, kg·mm2	793	1618	3268	4687	5207	5207	12402	22343

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