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GPY Series Hydraulic Gear Pump | GPY-8R878, GPY-8R578, GPYZ5-8R323B | High Pressure Oil Pump
| Model Number | GPY, GPY-8R578, GPY-8R873, GPY-8R878, GPY-8R721, GPY-8R879, GPYZ5 8R323B 7Y01 |
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Product Description
GPY & GPYZ Series High-Performance Hydraulic Gear Pumps
Product Overview: The GPY and GPYZ Series serve as the vital power core for global material handling and precision industrial hydraulic systems. This featured selection includes precision models optimized for complex duty cycles: GPY-8R578, GPY-8R878, GPY-8R873, GPY-8R721, GPY-8R879, and the specialized configuration GPYZ5-8R323B. Engineered with high-strength extruded aluminum bodies and advanced pressure-compensated bushing technology, these pumps are specifically designed to meet the rigorous demands of forklifts and compact machinery for high pressure (up to 25 MPa) and long-term operational stability.
Key Technical Advantages:
100% Plug-and-Play Replacement: Strictly adheres to international specifications. Suffix codes like 8R878 and 8R323B guarantee that mounting flanges (SAE standards), splined/keyed drive shafts, and port positions are 100% identical to the original unit for a seamless installation.
Superior Pressure Resilience: Rated for a continuous operating pressure of 25 MPa (250 Bar) with peaks reaching 31 MPa (310 Bar), built to absorb instantaneous load shocks during demanding lifting cycles.
High Volumetric Efficiency: Featuring automatic axial gap compensation to minimize internal leakage, maintaining efficiencies over 93% throughout the pump’s service life and effectively reducing system heat generation.
Compact & Lightweight Design: The optimized aluminum alloy construction provides robust power while significantly reducing overall weight, facilitating flexible layout in tight engine compartments or machine cabinets.
Smooth & Quiet Operation: Precision-ground gear sets drastically reduce pressure ripples under high-pressure cycles, protecting downstream control valves and cylinder seals.
Detailed Models & Parameters:
Core Series: GPY & GPYZ Performance Series.
Model Keywords: GPY-8R578, GPY-8R873, GPY-8R878, GPY-8R721, GPY-8R879, GPYZ5-8R323B.
Part Reference: 7Y01 Configuration.
Pressure Ratings: Rated at 25 MPa (250 Bar); Peak pressure up to 31 MPa (310 Bar).
Target Applications: Main lift pumps for 1-3.5 ton forklifts, material handling platforms, injection molding auxiliary pumps, and industrial hydraulic power units (HPU).
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.
Our Advantages
Fast & Reliable Delivery
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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