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The 3525V30A12 1AA22R pump is produced by Vickers and belongs to the V Series Vane Pumps series, where it supplies hydraulic power for automated machinery. As a vane pump, it generates flow with sliding vanes while maintaining smooth pressure delivery. Clockwise rotation when viewed from the shaft end matches most prime-mover layouts. The cover end displacement is 40 cm³ per revolution (2.5 in³ per revolution), yielding a rated flow of 12 US gpm for auxiliary circuits. The shaft end displacement reaches 97 cm³ per revolution (5.9 in³ per revolution) and provides a rated capacity of 30 US gpm to satisfy primary system demands.
Shaft 1 can accept up to 400 Nm of input torque, allowing direct coupling to electric or diesel drives without overloading. The pump tolerates system pressures up to 172 bar (2500 psi) and maintains service at speeds to 1800 rpm, fitting medium-pressure, moderate-speed installations. A flange mount streamlines attachment to power unit frames, and porting is handled by SAE four-bolt flanges that use inch threads for compatibility with North American fittings. Outlet 1 is positioned opposite the inlet to simplify straight-line hose runs, whereas outlet 2 sits 135° counter-clockwise from the inlet to support angled return routing in compact manifolds.
Displacement (cover End)
40 cm3/rev (2.5 in3/rev)
Displacement (shaft End)
97 cm3/rev (5.9 in3/rev)
Max Input Torque (shaft 1)
400 Nm
Max Pressure
172 bar (2500 psi)
Max Speed
1800 rpm
Mounting
Flange Mount
Outlet 1 Orientation
Opposite Inlet
Outlet 2 Orientation
135° CCW From Inlet
Port Connection
SAE 4-Bolt Flanges
Port Thread Type
Inch Thread
Pump Type
Vane Pump
Rated Capacity (cover End)
12 US gpm
Rated Capacity (shaft End)
30 US gpm
Rotation (from Shaft End)
Clockwise
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