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Parker Gear Pump PGP Series

Specifications and Models of Parker Gear Pump PGP Series

Parker PGP series gear pumps are divided into multiple sub-series with different structural designs (cast iron or aluminum) and performance parameters, suitable for various mobile and industrial hydraulic applications. The detailed specifications and models are as follows:

Detailed Displacement and Pressure Parameter Comparison Table of PGP Series

The following table summarizes the key displacement and pressure parameters of each PGP sub-series, with reference to official technical data and industry specifications.
Series / Sub-model
Displacement Range (cc/rev) [in³/rev]
Max Continuous Pressure (bar) [psi]
Max Intermittent Pressure (bar) [psi] (If Applicable)
Remarks
PGP 020 Series
2.0 (0.12) – 12.0 (0.73)
275 (3988) for small displacements; 220 (3190) for large displacements
300 (4350) for small displacements; 220 (3190) for large displacements
Fixed displacement, cast iron, commercial hydraulic applications
PGP 030 / 031 Series
0.985 (0.06) – 3.940 (0.24)
206.8 (3000)
241.3 (3500)
Cast iron, commercial roller bearing gear pumps
PGP 050 / 051 Series
1.275 (0.08) – 6.375 (0.39)
137.9 (2000)
206.8 (3000)
Cast iron, wide adaptability to working conditions
PGP 075 / 076 Series
2.050 (0.12) – 12.300 (0.75)
206.8 (3000)
241.3 (3500)
Cast iron, suitable for general industrial use
PGP 130 Series
8.0 (0.49) – 41.0 (2.50)
220 (3190) – 275 (3988)
Not specified
Heavy-duty cast iron, harsh working environment adaptable
PGP 315 (300 Series)
10.2 (0.62) – 40.6 (2.48)
172 (2500) – 241 (3500)
Not specified
Heavy-duty cast iron, external gear, multiple assembly options
PGP 330 / 350 / 365 (300 Series)
Refer to official catalogs
Up to 245 (3550)
Not specified
Balanced performance and cost, industrial and mobile applications
PGP 502 / 505 / 511 / 517 (500 Series)
2.0 (0.12) – 12.0 (0.73) (for PGP 505); others refer to official data
220 (3190) – 275 (3988)
220 (3190) – 300 (4350)
Aluminum body, fixed displacement, light weight
PGP 511H / 517H / 523H / 529H (500 Series)
Refer to official performance data sheet
Consistent with non-H sub-models of 500 Series
Consistent with non-H sub-models of 500 Series
Silent type, reduced system noise, noise-sensitive occasions
PGP 610 (600 Series)
7.0 (0.43) – 32.0 (1.95)
275 (4000)
Not specified
Cast iron, SAE B 13-tooth spline available
PGP 620 (600 Series)
19.0 (1.16) – 50.0 (3.05)
275 (4000)
Not specified
Cast iron, suitable for multi-section assembly
PGP 640 (600 Series)
30.0 (1.83) – 80.0 (4.88)
275 (4000)
Not specified
Cast iron, high power through-drive capability

1. PGP 020 Series

Type: Fixed displacement cast iron gear pump
Key Specifications: Designed for commercial hydraulic applications, with compact structure and reliable performance. Specific displacement and pressure parameters refer to official technical manuals.

2. PGP 030 / 031, 050 / 051, 075 / 076 Series

Type: Cast iron gear pumps
Key Specifications: These series are commercial roller bearing gear pumps, featuring high durability and wide adaptability to working conditions. They are widely used in general industrial and mobile equipment.

3. PGP 130 Series

Type: Cast iron gear pump
Key Specifications: Heavy-duty design, suitable for harsh working environments, with excellent pressure resistance and long service life. Detailed parameters can be obtained from Parker official catalogs.

4. PGP 300 Series (Including PGP 315, 330, 350, 365)

Type: Cast iron gear pumps
Key Specifications: As one of the most commonly selected series, it has a balanced combination of performance and cost. It is applicable to a variety of industrial and mobile hydraulic systems, with adjustable displacement options to meet different flow requirements.

5. PGP 500 Series (Aluminum Body)

Sub-models: PGP 502, PGP 505, PGP 511, PGP 517, PGP 511H, PGP 517H, PGP 523H, PGP 529H
Key Specifications:
  • PGP 502, 505, 511, 517: Fixed displacement aluminum gear pumps, light weight and compact size, suitable for applications with strict weight requirements.
  • PGP 511H, 517H, 523H, 529H: Silent fixed displacement gear pumps, adopting a specially developed rotor profile to reduce system noise, suitable for noise-sensitive occasions.
  • Displacement and pressure parameters vary by sub-model; specific data can be found in the official performance data sheet.

6. PGP 600 Series (Cast Iron Body, Heavy-Duty)

Sub-models: PGP 610, PGP 620, PGP 640
Key Specifications (Common to the Series):
  • Continuous operating pressure: Up to 275 bar (4000 psi)
  • Interlocking two-piece cast iron construction, high efficiency and durability
  • Available in multiple sections and cross-frame configurations with common inlets
  • Integral valve options for power steering, fan drives and implement hydraulics
  • Reduced system noise compared to earlier models and competitors’ pumps
Sub-model Details:
  • PGP 610: Displacements from 7 to 32 cc/rev (0.43 to 1.95 in³/rev), SAE B 13-tooth spline available.
  • PGP 620: Displacements from 19 to 50 cc/rev (1.16 to 3.05 in³/rev), suitable for multi-section assembly applications.
  • PGP 640: Displacements from 30 to 80 cc/rev (1.83 to 4.88 in³/rev), with high power through-drive capability.

Note

1. The above specifications are general information; specific parameters (such as fluid viscosity, filtration requirements, and mounting options) may vary by model and application. For detailed technical data, please refer to Parker official technical manuals or contact authorized distributors.
2. Product features, specifications and availability are subject to change by Parker Hannifin Corporation without notice.