Vickers | F3-V20F-1S11S-38D70-22-0-74
F3 V20F 1S11S 38D70 22 0 74
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The F3 V20F 1S11S 38D70 22 0 74 pump belongs to the Square Vane Pumps series from Vickers and supplies pressurized hydraulic oil to automated machinery. Its displacement of 36.4 cm³ per revolution (2.22 in³/r) delivers a predictable fluid volume each shaft turn, while the rated flow of 11 US gpm supports medium-capacity circuits in equipment such as machine tools. Continuous operation up to 2500 rpm lets standard electric motors drive the cartridge without overspeeding. A maximum working pressure of 172 bar (2500 psi) enables the pump to power cylinders that demand higher force. Sealed bearings keep lubricant inside and contaminants out during long duty cycles. Installation is simplified by a 2-bolt SAE A flange, and the 11-tooth 16/32 DP flat-root spline with a 30° pressure angle provides secure torque transfer from the prime mover.
All seals are made of Viton to resist petroleum fluids and elevated temperatures common in continuous automation duty. A single-lip shaft seal limits external leakage while keeping friction on the rotating spline low. The spline minor diameter of 0.590 in centers the drive shaft and controls radial runout. Fluid enters through a 1.625-12 UN-2B SAE O-ring boss inlet port sized for low-pressure suction lines, and pressurized flow exits via a 0.750-16 UN-2B SAE O-ring boss pressure port suited to standard hose assemblies. A 1.0625-12 UN-2B SAE O-ring boss tank port returns case drainage to the reservoir and balances housing pressure. The outlet port sits 90° clockwise from the inlet, allowing right-angle hose routing inside compact power unit enclosures.
Technical Specifications
Bearing Type
Sealed
Displacement
36.4 cm3/r (2.22 in3/r)
Inlet Port
1.625-12 UN-2B (SAE ORB)
Max Pressure
172 bar (2500 psi)
Max Speed
2500 rpm
Mounting Type
2-Bolt Flange (SAE A)
Outlet Port Position
90° CW From Inlet
Pressure Port
0.750-16 UN-2B (SAE ORB)
Rated Flow (ring Capacity)
11 US gpm
Seal Material
Viton (All Seals)
Shaft Seal Type
Single Lip
Shaft Spline
11T 16/32 DP Flat Root Side Fit
Spline Minor Diameter
0.590 in
Spline Pressure Angle
30°
Tank Port
1.0625-12 UN-2B (SAE ORB)
1620 Old Apex Road
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