GPY Series Hydraulic Gear Pump | GPY-3, GPY-4, GPY-7, GPY-11.5 | Micro High Pressure Pump

Model Number

GPY

Product Description

GPY Series High-Performance Micro Hydraulic Gear Pumps

Product Overview: The GPY Series is a micro external gear pump specifically engineered for compact hydraulic systems. Known for its ultra-small footprint, high pressure-bearing capacity, and exceptional operational quietness, this series is the premier choice for mobile hydraulic equipment and small Hydraulic Power Units (HPU). This featured range covers the entire spectrum: from micro specs GPY-3, GPY-4, and GPY-5.8 to medium flow models GPY-7, GPY-8, GPY-9, and GPY-11.5.

Key Technical Advantages:

  • Compact & Lightweight: Utilizing a high-strength extruded aluminum alloy body, these pumps are incredibly light and space-efficient, ideal for truck tail lifts, aerial work platforms, and medical devices.

  • High Volumetric Efficiency: Equipped with an automated axial pressure compensation structure, maintaining efficiencies over 93% even under high-pressure conditions of 21 MPa, effectively minimizing internal leakage.

  • Ultra-Quiet Operation: Precision-ground gear sets combined with optimized intake port designs significantly reduce flow ripples and mechanical noise, delivering smoother hydraulic output.

  • 100% Direct Replacement: Adheres to international mounting standards, including standard oval flanges and various shaft configurations (Keyed or Splined), ensuring seamless compatibility with existing systems.

  • Target Applications: Forklift lift systems, truck tail lift units, hydraulic scissor lifts, waste compactors, and medical bed actuators.

Detailed Models & Parameters:

  • Core Series: GPY High Pressure Micro Series.

  • Model Keywords: GPY-3, GPY-4, GPY-5.8, GPY-7, GPY-8, GPY-9, GPY-11.5.

  • Displacement Range: Precision coverage from 3cc/rev up to 11.5cc/rev.

  • Pressure Ratings: Rated at 21 MPa (210 Bar); Peak pressure up to 25 MPa (3625 PSI).

  • Maximum Speed: Supports continuous operation up to 4000 RPM.

 

Company Profile

We adhere to international quality management standards and provide a 1-year warranty including maintenance and replacement. We have established long-term strategic cooperation with many well-known brands and continuously launch new products to meet market development. Flexible payment terms are supported, including USD settlement, Alipay, Western Union and T/T.
 
Relying on our standardized production base and professional foreign trade team, we provide competitive factory direct prices, efficient logistics channels and punctual delivery. FJZY Hydraulic is devoted to being your trustworthy long-term partner in hydraulic and agricultural machinery fields.
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Our Advantages

Fast & Reliable Delivery

We optimize global logistics channels to ensure every customer receives their goods on time, anywhere in the world.

Extensive Partnerships

We collaborate with numerous factories, offering a wide range of product selections and providing you with instant quote responses

Strict Quality Assurance

Quality first is our principle. We provide a one-year warranty service, ensuring you receive top-tier quality products with confidence.

Competitive Pricing

Through efficient production and close cooperation, we offer highly competitive prices, guaranteeing a cost-effective experience for you.
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