Vickers | V20F-6S6T-15C8K-22L-121
V20F 6S6T 15C8K 22L 121
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The V20F 6S6T 15C8K 22L 121 vane pump is produced by Vickers within the Square Vane Pumps series and supplies hydraulic flow for automated machinery. An internal displacement of 19.5 cm³ per revolution determines the volume transferred each shaft turn, allowing predictable circuit sizing. At 1,200 rpm and 100 psi it delivers 6 US gpm, giving a reference point for steady-state duty. A maximum speed of 3,400 rpm defines the upper drive limit so bearings and vanes remain within their load capacity. The unit is arranged for left-hand, counter-clockwise rotation as seen from the shaft end, which must match the prime mover. Fluid enters through a 1-5/8-12 straight-thread inlet that seals reliably against suction leakage, and the inlet can tolerate up to 0.7 bar positive pressure so reservoir elevation must be controlled. A 2-bolt SAE B flange provides direct mounting on standard pump pads, shortening installation time.
A built-in No. 8 flow-control orifice rated for 30 L/min moderates pressure fluctuations when demand changes quickly. Continuous operation is permitted up to 172 bar, while an internal relief preset to 175 bar diverts excess pressure to protect the circuit during transients. Suction conditions should not exceed 5 inHg of vacuum, a limit that prevents vapor formation and cavitation damage. Discharge flow exits through a .750-16 UNF SAE O-ring boss outlet, giving a leak-free connection to the pressure line. A 1/2 NPT tank port returns bypass or case drain flow to the reservoir with standard pipe fittings. These interface details and limits allow the pump to integrate safely into medium-pressure hydraulic automation systems.
Technical Specifications
Displacement
19.5 cm³/rev (1.19 in³/rev)
Flow-control Orifice
No. 8 (30 L/min)
Inlet Port Connection
1-5/8-12 Straight Thread
Max Inlet Positive Pressure
0.7 bar (10 psi)
Max Inlet Vacuum
5 inHg
Max Operating Pressure
172 bar (2500 psi)
Max Speed
3400 rpm
Mounting
2-Bolt Flange (SAE B)
Outlet Port Thread
.750-16 UNF (SAE O-Ring Boss)
Rated Delivery (1200 Rpm, 100 Psi)
6 USgpm
Relief Valve Setting
175 bar (2500 psi)
Rotation
Left-Hand (CCW, shaft end)
Tank Port Thread
1/2 NPT
1620 Old Apex Road
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