Product Description
Vickers Type 25VQ Series High-Pressure Industrial Vane Pumps
Product Overview: The 25VQ Series fixed displacement vane pump is a globally trusted power source for mobile and industrial hydraulic systems. As a key member of the Vickers Intra-vane pump family, it is specifically engineered to handle extreme operating pressures and high-frequency duty cycles. This range features premium specifications including 25VQ21A-1A-22R, 25VQ21A-1C-20, and 25VQ21A-1A-22R. Utilizing a pressure-balanced design, the 25VQ series delivers output up to 21.0 MPa while significantly reducing internal friction, extending the service life of both bearings and stators.
Key Technical Advantages:
Intra-vane Technology: The unique vane-within-a-vane structure reduces tip loading against the stator, allowing continuous operation at 210 Bar (3000 PSI) with exceptional contamination tolerance.
Modular Cartridge Maintenance: Features a “drop-in” cartridge design. Maintenance is streamlined—swap the internal core kit on-site without disconnecting main plumbing to drastically reduce production downtime.
Superior Power-to-Weight Ratio: The compact profile provides high power density, making it the definitive choice for mobile equipment with limited installation space, such as loaders and graders.
Ultimate Silence & Efficiency: The 10-vane rotor group, combined with precision-ground stator geometry, effectively suppresses flow pulsations, maintaining ultra-low decibel levels at full speed.
Target Applications: Wheel loaders, excavators, road-building machinery, scrap metal balers, and various mobile hydraulic power sources.
Detailed Models & Parameters:
Core Series: Vickers Type 25VQ Series (High Pressure Single Pump).
Model Keywords: 25VQ21A-1A-22R, 25VQ21A-1C-20, 25VQ21A-1A-22R.
Flow Rating (USgpm @ 1200rpm): 21 GPM (Approx. 67 cm³/rev).
Technical Specs Decoding:
1: Shaft type (Standard straight keyed shaft).
A / C: Port orientations (A-180° inline / C-90° angle).
20 / 22: Design sequence identifiers.
R: Rotation (Right-hand/Clockwise).
Maximum Pressure: Rated continuous pressure up to 21.0 MPa (3000 PSI / 210 Bar).
Rated Speed: Max speeds up to 2700 RPM.



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