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Parker Gear Pump Product Catalog, Models & Specifications

Overview

Parker Hannifin offers a comprehensive range of high-performance fixed displacement gear pumps designed for industrial and mobile hydraulic applications. These pumps are engineered for exceptional durability, efficiency, and pressure capability, with options for cast iron or aluminum construction to suit diverse operating conditions.

I. Cast Iron Gear Pump Series (Heavy-Duty)

1. PGP130 Series

Key Features: Three-piece cast iron construction, bushing style, balanced pressure plate design, compact footprint
Technical Specifications:
Parameter
Value
Displacement Range
7–51 cc/rev (0.427–3.112 cu in/rev)
Maximum Continuous Pressure
Up to 240 bar (3,480 psi) for displacements ≤36 cc/rev
Speed Range
Up to 3,600 rpm
Rotation Options
CW, CCW, bi-directional
Port Configurations
Side, rear, combination ports available
Mounting
SAE shafts, flanges, ports standard
Weight
8.7 kg (19.2 lbs)

2. PGP300 Series (PGP315/330/350/365)

Key Features: Roller bearing construction, rugged cast-iron housings, high volumetric efficiency
Technical Specifications:
Model
Displacement Range
Max Pressure
Max Speed
Flow Range
PGP315
16–65 cc/rev
241 bar (3,500 psi)
3,000 rpm
Up to 40 gpm (151 lpm)
PGP330
16–65 cc/rev
241 bar (3,500 psi)
3,000 rpm
Up to 40 gpm (151 lpm)
PGP350
16–65 cc/rev
241 bar (3,500 psi)
3,000 rpm
Up to 40 gpm (151 lpm)
PGP365
16–65 cc/rev
241 bar (3,500 psi)
3,000 rpm
Up to 40 gpm (151 lpm)
Volumetric Efficiency: Up to 98%

3. PGP050/051 Series

Key Features: Commercial hydraulic external gear pumps, high flow capability, multiple section availability
Technical Specifications:
Parameter
Value
Displacement Range
50–202 cc/rev (3.07–12.3 cu in/rev)
Maximum Flow Rate
Up to 238.5 lpm (63 gpm) per section
Maximum Pressure
200 bar (3,000 psi)
Speed Range
Up to 2,400 rpm
Volumetric Efficiency
Up to 95%
Rotation Options
CW, CCW, bi-rotational

4. PGP600 Series

Key Features: Heavy-duty cast iron construction, designed for extreme industrial applications
Technical Specifications:
Parameter
Value
Displacement Range
100–300 cc/rev (6.1–18.3 cu in/rev)
Maximum Pressure
280 bar (4,060 psi)
Speed Range
Up to 2,000 rpm
Material
High-strength cast iron with corrosion-resistant coating

II. Aluminum Gear Pump Series (Lightweight)

1. PGP500 Series (PGP502/505/511/517)

Key Features: Aluminum alloy housing, fixed displacement, silent operation, internal gear design
Technical Specifications:
Model
Displacement Range
Max Pressure
Max Speed
Special Features
PGP502
0.8–5 cc/rev (0.049–0.305 cu in/rev)
210 bar (3,045 psi)
4,000 rpm
Group 1, compact design
PGP505
5–20 cc/rev (0.305–1.22 cu in/rev)
210 bar (3,045 psi)
4,000 rpm
Group 1, high efficiency
PGP511
20–40 cc/rev (1.22–2.44 cu in/rev)
250 bar (3,625 psi)
3,600 rpm
Group 2, silent operation, special rotor profile
PGP517
40–70 cc/rev (2.44–4.27 cu in/rev)
250 bar (3,625 psi)
3,000 rpm
Group 2, high flow capacity
Common Features: All models include SAE mounting options, optional relief valves, and compatibility with most hydraulic fluids

2. D/H/HD Series

Key Features: Lightweight aluminum construction, tandem pump capability, optional integrated controls
Technical Specifications:
Series
Displacement Range
Max Pressure
Max Speed
Optional Features
D Series
1.87–10.5 cc/rev (0.114–0.64 cu in/rev)
172 bar (2,500 psi)
4,000 rpm
Built-in relief valve
H Series
5–25 cc/rev (0.305–1.526 cu in/rev)
172 bar (2,500 psi)
4,000 rpm
Relief valve, flow divider
HD Series
10–30 cc/rev (0.61–1.83 cu in/rev)
172 bar (2,500 psi)
4,000 rpm
Tandem configuration, multiple section availability

III. Special Application Gear Pumps

1. PGP076 Series

Key Features: Designed for high-flow lubrication systems, oil transfer applications
Technical Specifications:
Parameter
Value
Displacement Range
50–202 cc/rev (3.07–12.3 cu in/rev)
Maximum Flow Rate
459.5 lpm (121.4 gpm) per section
Maximum Pressure
200 bar (3,000 psi)
Speed Range
Up to 2,400 rpm
Volumetric Efficiency
Up to 95%

2. P16 Series

Key Features: Iron body with aluminum covers, compact design for mobile applications
Technical Specifications:
Parameter
Value
Displacement Range
10–50 cc/rev (0.61–3.05 cu in/rev)
Maximum Pressure
210 bar (3,045 psi)
Speed Range
Up to 3,000 rpm
Weight
5–7 kg (11–15.4 lbs)

IV. Model Nomenclature Guide

PGP500 Series Example: PGP511 A 0160 CM1 H3 11 B1

Code Segment
Description
PGP511
Base model (511 = group 2, medium displacement)
A
Mounting type (SAE 2-bolt)
0160
Displacement (16.0 cc/rev)
CM1
Shaft type (keyed, 14 mm diameter)
H3
Port configuration (rear ports)
11
Seal type (nitrile rubber)
B1
Rotation (clockwise)

PGP300 Series Example: PGP330 A 0650 AS1 H1 11 C1

Code Segment
Description
PGP330
Base model (330 = cast iron, roller bearing)
A
Mounting type (SAE 4-bolt)
0650
Displacement (65.0 cc/rev)
AS1
Shaft type (splined, 20 mm diameter)
H1
Port configuration (side ports)
11
Seal type (viton)
C1
Rotation (counter-clockwise)

V. Selection Considerations

  1. Pressure Requirements: Choose cast iron models (PGP300/600) for pressures >240 bar; aluminum models (PGP500) for lower pressure applications
  2. Fluid Compatibility: All models compatible with mineral oils, synthetic hydraulic fluids, and biodegradable oils (consult Parker for specific fluid recommendations)
  3. Temperature Range: -20°C to +100°C (-4°F to +212°F) standard; high-temperature seals available for up to +150°C (+302°F)
  4. Mounting Options: SAE J526 and ISO 3019 mounting flanges standard; custom options available
  5. Noise Considerations: PGP511/517 series feature silent rotor profiles for reduced noise emissions

VI. Ordering & Additional Information

  • Official Catalogs: Refer to Parker Gear Pumps and Motors  catalog (HY30-3300) and “PGP/PGM Series Technical Data” sheets for complete specifications
  • Custom Configurations: Contact Parker’s engineering team for special modifications including custom displacements, porting, and materials
  • Warranty: 12-month warranty on all standard products; extended warranties available for industrial applications
  • Global Support: Parker has a worldwide network of authorized distributors and service centers for technical support and spare parts availability