Vickers | V20-1P8S-1C11
V20 1P8S 1C11
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The V20 1P8S 1C11 vane pump belongs to the Square Vane Pumps series produced by Vickers for fixed-displacement hydraulic circuits. It delivers 26.6 cm³ of oil per revolution, allowing flow to be calculated directly from speed, and the housing tolerates up to 172 bar (2500 psi) operating pressure. Driving the unit at both maximum pressure and speed requires 24.2 kW, while shaft rotation is limited to 2800 r/min. A nominal output of 8 US gpm is achieved at 1200 rpm and 100 psi. A sealed bearing supports the rotor to exclude contaminants, and a single-lip shaft seal restricts external leakage along the drive shaft.
The suction connection uses a 1.25 in NPT threaded port, with positive inlet pressure limited to 0.7 bar (10 psi) and inlet vacuum not to exceed 5 in Hg to prevent cavitation. Discharge fluid leaves through a 1.062-12 UN-2B threaded port, and an SAE O-ring boss forms the primary outlet seal. Installation relies on a 2-bolt SAE A flange; each fastener passes through a hole 11.1 mm in diameter to clamp the pump securely to its mounting face. These connection and mounting details establish the mechanical and hydraulic interface required for integration into industrial equipment.
Technical Specifications
Bearing Type
Sealed
Displacement
26.6 cm3/rev
Inlet Port
1.25 in NPT Thread
Inlet Pressure (max Positive)
0.7 bar (10 psi)
Input Power @ Max Pressure & Speed
24.2 kW
Max Inlet Vacuum
5 in Hg
Max Operating Pressure
172 bar (2500 psi)
Max Speed
2800 r/min
Mounting Bolt Hole Diameter
11.1 mm
Mounting Type
2-Bolt SAE A Flange
Outlet Port
1.062-12 UN-2B Thread
Outlet Port Seal
SAE O-Ring Boss
Rated Flow
8 US gpm (1200 rpm, 100 psi)
Shaft Seal Type
Single Lip
1620 Old Apex Road
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