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The 3525V35A17 1AA22R pump is produced by Vickers and is part of the V Series Vane Pumps series, serving as a hydraulic power source for automated machinery. It carries design number 22, which defines its internal cartridge layout for service compatibility. The cover end displacement is 55 cm³ per revolution, so that side supplies moderate volume for functions that demand lower flow. A continuous pressure capacity of 172 bar on the cover section keeps medium-pressure actuators running without overload. The minimum operating speed is 600 rpm, permitting stable performance on slow-turning prime movers. Clockwise rotation from the shaft end matches common electric-motor drive arrangements. Flange mounting secures the pump directly to an SAE motor face, and inch-based port threads simplify connection to North American tubing systems.
The shaft end provides 112 cm³ per revolution, offering a larger volume for circuits that need higher throughput from the same housing. That section also withstands 172 bar continuously, maintaining identical pressure capability across both stages. At 1200 rpm the cover end delivers 17 gpm while the shaft end supplies 35 gpm, allowing designers to allocate separate flows to independent actuator groups. SAE four-bolt flanges are used on the inlet and both outlet ports, giving leak-resistant joints that handle the stated pressure range. Outlet 1 is positioned opposite the inlet, and outlet 2 sits 135° counter-clockwise from the inlet, so manifold piping can be routed with minimal bends. These fixed port orientations help maintain laminar flow and reduce installation space.
Design Number
22
Displacement (cover End)
55 cm3/rev (3.4 in3/rev)
Displacement (shaft End)
112 cm3/rev (6.8 in3/rev)
Max Continuous Pressure (cover End)
172 bar (2500 psi)
Max Continuous Pressure (shaft End)
172 bar (2500 psi)
Minimum Speed
600 rpm
Mounting
Flange Mount
Outlet 1 Position
Opposite Inlet
Outlet 2 Position
135° CCW From Inlet
Port Connections
SAE 4-bolt flange (inlet/outlets)
Port Thread
Inch
Rated Flow (cover End @1200 Rpm)
17 gpm
Rated Flow (shaft End @1200 Rpm)
35 gpm
Rotation
Clockwise (from shaft end)
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