Vickers Type VQ Series Vane Pump | 25VQ, 35VQ, 45VQ | 35VQ38A, 25VQ21A
| Model Number | 25VQ14A1C20, 25VQ21A1C20, 25VQ17A1C20, 35VQ38A1C20 |
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Product Description
Vickers Type VQ Series High-Performance Mobile Vane Pumps
Product Overview: The VQ Series fixed displacement vane pump is the global benchmark for hydraulic power in mobile equipment. Engineered for high-speed and high-pressure environments, it features Vickers’ patented Intra-vane technology. This range covers the complete frame sizes: 20VQ, 25VQ, 35VQ, and 45VQ, including specific model codes such as 35VQ38A and 25VQ21A1C20. Utilizing flexible side plates for optimal pressure balancing, the VQ series maintains superior volumetric efficiency and resists cavitation even during cold starts at continuous pressures up to 21.0 MPa (3000 PSI).
Key Technical Advantages:
Patented Intra-vane Technology: The unique vane-within-a-vane structure reduces tip loading against the stator, significantly extending service life and minimizing wear under 3000 PSI cycles.
High-Speed Suction Capability: Optimized for mobile engine speeds, supporting higher maximum RPMs and ensuring rapid pressure buildup across various ambient temperatures.
Drop-in Cartridge Design: The internal pump core is a modular unit, allowing for on-site replacement. Restore full performance in minutes without disconnecting heavy plumbing, drastically cutting downtime.
Robust Contamination Resistance: Built with high-strength cast iron housings and hardened precision components to tolerate fine particles often found in mobile hydraulic fluids.
Target Applications: Wheel loaders, excavators, truck-mounted cranes, concrete mixers, and refuse trucks.
Detailed Models & Parameters:
Core Series: Vickers Type VQ Series (Mobile Vane Pump).
Model Keywords: 35VQ30A, 35VQ35A, 35VQ38A, 25VQ14A, 25VQ17A, 25VQ21A.
Model Code Breakdown:
25VQ21A1C20 / 35VQ38A1C20: * 21 / 38: Rated flow capacity (USgpm @ 1200rpm).
A: Inlet port configuration.
1: Shaft type (Standard straight keyed).
C: Outlet port position (C indicates 90° orientation).
20: Design sequence identifier.
Max Operating Pressure: Rated for continuous operation at 21.0 MPa (3000 PSI / 210 Bar).
Speed Range: Supports high-speed operation from 2200 to 2700 RPM




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