Vickers | V20F-1S9S-38A6-F22
V20F 1S9S 38A6 F22
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The V20F 1S9S 38A6 F22 model is produced by Vickers and belongs to the Square Vane Pumps series. It supplies hydraulic flow for automated circuits where compact packaging and fixed displacement are required. The unit displaces 29.7 cm³ per revolution, so each shaft turn delivers a predictable volume to the system. At 1200 rpm under 100 psi, the pump provides a rated delivery of 9 USgpm for steady low-speed operation. When driven to its maximum speed of 2800 r/min, typical delivery rises to 75.0 L/min, enabling higher actuator velocities. A controlled flow of 23 L/min is available through an orifice size 6, supporting auxiliary functions that need metered supply. The maximum operating pressure is 172 bar, allowing the circuit to run medium-pressure cylinders and motors, while an internal relief valve is set to open at 100 bar to limit stress during startup or blockage. Clockwise shaft rotation is specified, ensuring compatibility with right-hand drive arrangements.
Installation features match common industrial layouts. A 2-bolt flange mounts the housing to the power frame, simplifying alignment. The inlet port uses a 1-5/8-12 straight thread that accepts standard high-flow fittings, and the outlet port is machined with a 1-1/16-12 straight thread for discharge connection. The outlet port sits opposite the inlet as defined by code A, which helps route suction and pressure lines on separate sides of the machine. Power is transferred by a 16/32 DP spline with 11 teeth, giving positive drive engagement under fluctuating torque. The spline minor diameter measures 0.590 inches to match common shaft couplings, and the 30-degree pressure angle distributes loading evenly across the tooth profile for long service life.
Technical Specifications
Controlled Flow (orifice 6)
23 L/min (6 USgpm)
Displacement
29.7 cm3/rev (1.81 in3/rev)
Inlet Port Thread
1-5/8-12 Straight Thread
Max Operating Pressure
172 bar (2500 psi)
Max Speed
2800 r/min
Mounting
2-Bolt Flange
Outlet Port Position
Opposite Inlet (Code A)
Outlet Port Thread
1-1/16-12 Straight Thread
Rated Delivery @1200 Rpm (100 Psi)
9 USgpm
Relief Valve Setting
100 bar (1500 psi)
Rotation
Right-Hand
Shaft Spline
16/32 DP, 11 Teeth
Spline Minor Diameter
0.590 in
Spline Pressure Angle
30°
Typical Delivery @ Max Speed
75.0 L/min (19.8 USgpm)
1620 Old Apex Road
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