PGP511A0160CA1H2VJ7J5B1B1 Parker Hydraulic Gear Pump 16cc 250bar

Product Overview

The PGP511A0160CA1H2VJ7J5B1B1 is a Parker Hannifin PGP511 Series aluminum-bodied fixed displacement external gear pump. This series features high-strength aluminum construction with a bushing block design, delivering exceptional power density under high-pressure operating conditions. The PGP511 Series offers displacements from 3 to 33cc, with operating pressures up to 250 bar (3,625 psi) and speeds up to 4,000 rpm.

As an original specification model within the Parker PGP511 line, this product enables direct form-fit-function interchangeability with original Parker units—no modifications to piping or mounting interfaces required. Our replacement solution strictly adheres to Parker technical standards and undergoes 100% simulated in-service testing to ensure performance, reliability, and service life identical to OEM products. It is the ideal choice for industrial equipment maintenance and system upgrades.

Technical Specifications

Applicable Model (Primary):

• PGP511A0160CA1H2VJ7J5B1B1

Interchangeable Models:

• PGP511B0160CA1H2NJ7J5S-511A0160XJ7J5

• 3349111186

• PGP511A0110CA1H2NL2L1B1B1

Series Technical Specifications (per Parker official documentation):

• Product Series: Parker PGP511 Aluminum Gear Pump

• Pump Type: Fixed Displacement External Gear Pump

• Body Material: High-Strength Aluminum Alloy

• Mounting: SAE A 2-Bolt Flange (Option Code “H2”)

• Shaft Type: SAE A Splined Shaft

• Rotation: Clockwise

0160 Displacement Specifications (This Model):

• Geometric Displacement: 16 cm³/rev

• Rated Operating Pressure: 25 MPa (250 bar / 3,625 psi)

• Maximum Intermittent Pressure: 26 MPa (260 bar)

• Maximum Speed: 3,500 rpm

• Minimum Speed: 500 rpm

• Flow Rate (@ rated conditions): Approx. 56 L/min (theoretical, 16cc × 3500rpm)

• Operating Temperature Range: -15°C to +80°C

• Fluid Compatibility: Standard Hydraulic Fluids, Phosphate Esters, Water-Glycol, Biodegradable Fluids

• Viscosity Range: 50 – 7500 SUS

• Filtration Requirement: ISO 4406 19/17/13

• Weight: Approx. 4.5 – 4.6 kg

Key Technical Advantages

1. Lightweight Aluminum Construction with High Power Density
The PGP511 Series utilizes a high-strength aluminum alloy body, significantly reducing overall weight (approx. 4.5kg) while maintaining full pressure capacity. The lightweight design simplifies installation and maintenance, reduces overall equipment load, and is particularly advantageous for mobile hydraulic applications.

2. Pressure-Balanced Thrust Blocks for High Volumetric Efficiency
Pressure-balanced thrust blocks automatically compensate for gear end-face clearances, substantially improving volumetric efficiency and minimizing internal leakage. Stable output flow is maintained even under high-pressure conditions, enhancing overall system energy efficiency.

3. Journal Bearings with Low-Noise Design
The PGP511 Series features a 12-tooth gear profile with optimized flow metering that reduces pressure pulsation for exceptionally quiet, smooth operation. Journal bushings provide excellent load-carrying capacity and wear resistance, ensuring extended service life.

4. Three-Piece Construction for Flexible Configuration
The three-piece construction enables flexible configuration options, supporting single, tandem, and multiple pump assemblies. An extensive range of valve options—including pressure relief, anti-cavitation, cross-port relief, solenoid unloading, and proportional relief valves—accommodates diverse system requirements.

Application Areas

• Construction Equipment: Excavators, loaders, dozer hydraulic systems

• Agricultural Machinery: Tractor hydraulic lift systems, power steering pumps

• Material Handling: Forklifts, aerial work platforms, lift equipment hydraulic systems

• Forestry Equipment: Forestry harvesters, brush chippers

• Industrial Hydraulic Power Units: HPU systems, lube pumps, transfer pumps

• Vocational & Municipal Vehicles: Street sweepers, refuse compactors

Expert Maintenance Tips

1. Installation Precautions

• The PGP511 Series is a uni-directional rotation pump—verify that the system’s required rotation direction matches the pump’s identification marking before installation. This model features clockwise rotation.

• Ensure coaxial alignment between the pump and drive shaft; flexible couplings are recommended to avoid radial loads on the pump shaft.

• The suction line diameter must not be smaller than the pump inlet port size to prevent cavitation.

2. Fluid Management

• Use mineral hydraulic oils conforming to DIN 51524 standards, with viscosity range of 10-300 mm²/s.

• System fluid cleanliness must meet ISO 4406 19/17/13 or higher.

• Prime the pump by filling the housing with hydraulic fluid through the suction port before initial start-up. Never run the pump dry.

3. Start-Up & Commissioning

• Use jog start method for initial start-up; verify correct rotation direction before continuous operation.

• Allow the pump to run under no-load (low pressure) conditions for 2-3 minutes to purge air and ensure proper lubrication.

• Gradually increase to operating pressure while monitoring noise, temperature, and system pressure for normal operation.

4. Routine Maintenance

• The PGP511 gear pump itself is maintenance-free; however, regular maintenance of the entire hydraulic system is essential for trouble-free pump operation.

• Inspect system fluid cleanliness and condition every 500-1,000 operating hours.

• Regularly replace return line filters and suction strainers to prevent contaminant ingress into the pump body.