Vickers | 3525V25A17-1AA22L
3525V25A17 1AA22L
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The 3525V25A17 1AA22L vane pump is part of the V Series Vane Pumps from Vickers. Designed for hydraulic automation circuits, it provides flow from two pumping sections identified by design code 22. The cover end section displaces 55 cm³ per revolution, while the shaft end section moves 81 cm³ per revolution. Each end is rated for a continuous operating pressure of 172 bar to supply medium-pressure drives. The unit works in applications running between 600 and 1800 rpm, giving flexibility for variable-speed power packs. Viewed from the shaft end, the pump rotates to the left, which establishes port layout and coupling orientation for counter-clockwise drive systems.
Installation considerations include flange mounting that aligns the housing accurately to the prime mover and carries radial load. The primary outlet is positioned opposite the inlet, and the secondary outlet sits 135° counter-clockwise from the inlet, simplifying manifold routing in compact frames. Both pressure ports use SAE four-bolt flanges with inch-series threads, ensuring compatibility with standard North American tubing and hose fittings. Sealing against hydraulic fluid is handled by Buna-N elastomers selected for mineral-oil service. Total assembled mass is 76 lb, so lifting equipment may be required when placing the pump into a reservoir or drive stand.
Technical Specifications
Design Code
22
Displacement (cover End)
55 cm³/rev
Displacement (shaft End)
81 cm³/rev
Max Continuous Pressure (cover End)
172 bar
Max Continuous Pressure (shaft End)
172 bar
Max Speed
1800 rpm
Minimum Speed
600 rpm
Mounting
Flange
No. 1 Outlet Position
Opposite Inlet
No. 2 Outlet Position
135° CCW From Inlet
Port Connections
SAE 4-Bolt Flange
Port Thread Type
Inch Threads
Product Weight
76 lb
Rotation (shaft End View)
Left (CCW)
Seal Material
Buna-N
1620 Old Apex Road
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