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Vickers | V20-1R9Y-27C11

V20 1R9Y 27C11

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The V20 1R9Y 27C11 pump belongs to the Square Vane Pumps series and is produced by Vickers. It is a fixed displacement vane pump, so flow output remains constant at a given speed and is suited for hydraulic automation circuits that need predictable flow. The frame size is V20, establishing the dimensional envelope common to compact power units. A ring capacity of 9 gpm at 1200 rpm defines the nominal flow delivered when driven at that speed. The pump handles a maximum operating pressure of 172 bar (2500 psi), allowing it to work in systems that require medium-pressure performance. Shaft rotation is right-hand (clockwise), which must match the prime mover orientation for correct operation. Standard nitrile seals are fitted to provide compatibility with common petroleum-based hydraulic fluids.

The unit uses mounting code 1, a 2-bolt SAE A flange, which lets it bolt directly to a compatible motor without additional brackets. The mounting type is therefore a 2-bolt flange that keeps the pump centered and reduces installation time. An inlet port thread of 1 in NPTF, identified by inlet type code R, accepts tapered pipe fittings for the suction line. The outlet orientation is inline with the inlet, designated by code C, so both ports lie on the same axis to facilitate straightforward hose routing. Discharge is through a 0.875-14 UN-2B O-ring port sized to SAE #10, and this connection is referenced by outlet type code Y to distinguish it from alternate port options. Together these interface features simplify integration into standardized manifolds and hoses used in hydraulic machinery.

Technical Specifications

Frame Size
V20

Inlet Port Thread
1 in NPTF (Code R)

Inlet Port Type Code
R

Maximum Operating Pressure
172 bar (2500 psi)

Mounting Code
1 (SAE A 2-Bolt)

Mounting Type
2-Bolt Flange (SAE A)

Outlet Orientation
Inline With Inlet (Code C)

Outlet Port Thread
0.875-14 UN-2B O-Ring (SAE #10)

Outlet Port Type Code
Y

Pump Type
Fixed Displacement Vane

Ring Capacity
9 gpm (at 1200 rpm)

Seals Type
Standard (Nitrile)

Shaft Rotation
Right-Hand (CW)

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