Vickers | V10-1S5S-11C20-LH
V10 1S5S 11C20 LH
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The V10 1S5S 11C20 LH vane pump belongs to the Square Vane Pumps series and is manufactured by Vickers for hydraulic automation where compact pressure generation is required. Its displacement of 16.4 cm³ per revolution (1.00 in³ per revolution) defines the volume delivered during each shaft turn. At 1200 rpm and 100 psi it delivers a rated flow of 5 US gpm, which supports steady supply to small cylinders or lubrication lines. A maximum operating pressure of 172 bar (2500 psi) lets the unit handle medium-pressure circuits without overstressing internal vanes. The pump tolerates shaft speeds up to 3200 r/min so it can run directly from high-speed electric motors. Counterclockwise rotation viewed from the shaft end matches machinery arranged for left-hand drive. A 2-bolt SAE A flange mount simplifies alignment on standard power takeoff pads. The outlet cover sits inline with the inlet port, reducing elbow fittings and minimizing pressure loss.
The cover outlet port is threaded 3/4-16 UNF-2B, providing a compact high-pressure connection for the discharge line. When the outlet is taken from the shaft end, a 1.0625-12 UN-2B thread is available, giving installers a larger pressure port option. Fluid enters through a 1 5/16-12 straight thread inlet, accommodating common SAE O-ring fittings to ensure leak-free suction. Inlet pressure must not exceed 0.7 bar (10 psi) so seals are not overloaded during tank-mounted operation. The pump withstands inlet vacuum down to 5 in Hg, allowing elevated tank placement with moderate lift. A shaft extension length of 2.66 in offers enough engagement for flexible couplings while avoiding excessive overhang. The major shaft diameter is 0.623 in, which defines the bore size needed in mating drive hubs. Torque is transmitted through a 9-tooth, 16/32 DP spline (No. 11), ensuring positive drive without key stress.
Technical Specifications
Cover Outlet Port
3/4-16 UNF-2B
Displacement
16.4 cm3/rev (1.00 in3/rev)
Inlet Port Thread
1 5/16-12 Straight Thread
Max Inlet Pressure
0.7 bar (10 psi)
Max Inlet Vacuum
5 inHg
Max Operating Pressure
172 bar (2500 psi)
Max Speed
3200 r/min
Mounting Type
2-Bolt SAE A Flange
Port Orientation
Inline With Inlet Port
Rated Capacity (sae)
5 USgpm @ 1200 rpm (100 psi)
Rotation
Left-Hand (CCW, Shaft End)
Shaft Extension Length
2.66 in
Shaft Major Diameter
0.623 in
Shaft Spline
9T 16/32 DP (No. 11)
Shaft-end Outlet Port
1.0625-12 UN-2B
1620 Old Apex Road
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