Guangdong Yanhui Hydraulic Co., Ltd. is one of the leading manufacturers and suppliers of parker gpa gear pumps in China. We warmly welcome you to wholesale bulk parker gpa gear pumps for sale here from our factory. If you have any enquiry about pricelist and quotation, please feel free to email us.
Product Overview
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Parker GPA Gear Pumps utilize two meshing gears housed within a precision-machined aluminum body to transport hydraulic fluid. As the gears rotate, they create a vacuum at the inlet side, drawing fluid into the pump. The fluid is then trapped between the gear teeth and the housing, carried around to the discharge side, and forced out under pressure into the hydraulic system.
Key Advantages
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Ultra-Lightweight Design: Constructed from high-grade extruded aluminum, minimizing vehicle deadweight.
High Power Density: Delivers high operating pressures up to 250 bar within a highly compact frame.
Whisper-Quiet Operation: Features precision-engineered internal components that drastically lower noise emissions, making it ideal for urban or noise-sensitive work environments.
Bi-Directional Flexibility: Simplifies installation by seamlessly supporting both clockwise and counterclockwise rotations without internal adjustments.
Dual-Port Configuration: Equipped with a unique rear and side port layout, allowing flexible plumbing setups in tight truck chassis spaces.
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Technical Specifications
▔▔| Parameter | Metric Value | Imperial/Standard Value |
| Pump Type | External Gear Pump | External Gear Pump |
| Body Material | Extruded Aluminum | Extruded Aluminum |
| Displacement Range | 8.0 to 19.0 cm³/rev | 0.49 to 1.16 in³/rev |
| Maximum Operating Pressure | 250 bar | 3,625 psi |
| Maximum Operating Speed | 1500 to 2000 RPM | 1500 to 2000 RPM |
| Minimum Operating Speed | 500 RPM | 500 RPM |
| Fluid Temperature Range | -15 °C to +80 °C | 5 °F to 176 °F |
| Operating Viscosity Range | 8 to 1000 mm²/s (cSt) | 38 to 4664 SUS |
| Mounting & Shaft Interface | ISO 14 / DIN 5462 | 4-Bolt / 3-Bolt Flange |
| Standard Port Connection | BSPP Threaded | BSPP Threaded |
Applications
▔▔| Market Sector | Equipment Type | Primary Pump Function |
| Commercial Transportation | Light & Medium Duty Tippers | Powers the telescopic hydraulic cylinders to raise and lower the dump bed. |
| Municipal Services | Aerial Lifts & Cherry Pickers | Supplies steady hydraulic pressure for smooth boom extension and platform leveling. |
| Material Handling | Small Truck-Mounted Cranes | Drives hydraulic winches and articulation cylinders for precise cargo loading. |
| Industrial Mobile | Compact Hydraulic Power Units (HPUs) | Serves as the primary pressure source for auxiliary vocational truck systems. |
Related Models
▔▔| Model Number | Displacement (cm³/rev) | Max. Pressure (bar) | Max. Speed (RPM) | Unit Weight (kg) |
| GPA-008 | 8.0 | 250 | 2000 | 4.90 |
| GPA-011 | 11.0 | 250 | 2000 | 5.05 |
| GPA-014 | 14.0 | 250 | 2000 | 5.20 |
| GPA-016 | 16.0 | 250 | 1750 | 5.30 |
| GPA-019 | 19.0 | 250 | 1500 | 5.40 |
FAQ
▔▔Q1: What does "bi-directional rotation" mean for the Parker GPA pump?
A1: Bi-directional rotation means the pump can be driven either clockwise or counterclockwise. This removes the risk of ordering or installing the wrong model configuration. It also cuts down inventory costs because a single pump model can fit multiple vehicle setup requirements.
Q2: Can I connect lines to both the side and rear ports simultaneously?
A2: No. The dual-port layout is designed to give you options during installation. You should choose either the rear ports or the side ports based on your truck's chassis space, and then securely plug the unused set of ports using standard BSPP plugs.
Contact Us
▔▔Request a Quote Today to ensure your hydraulic system performs at its best with genuine components from Yanhui Hydraulic.
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