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The V10 1P1P 1A20 LH pump belongs to the Square Vane Pumps series and is manufactured by Vickers for hydraulic automation duties. Design code 20 identifies the internal configuration used when ordering matched replacements. A displacement of 3.3 cm³ per revolution meters a fixed volume of oil each shaft turn, and at 1200 rpm with 100 psi it provides a rated delivery of 1 US gpm for small actuator circuits. Left-hand (counter-clockwise) shaft rotation aligns with drives mounted on the left side of the reservoir to simplify plumbing. The rotating group withstands 4800 rpm, permitting speed-controlled flow adjustment, while a maximum working pressure of 172 bar (2500 psi) allows the pump to serve medium-pressure manifolds. On the suction side it accepts up to 0.7 bar (10 psi) inlet pressure so flooded conditions do not overload the shaft seal.
A cast-iron housing resists wear from entrained particles and maintains rigidity under load, and Buna-N seals maintain compatibility with standard petroleum fluids. Overall dimensions of 6.3 in length, 5.12 in width, and 4.35 in height let the unit mount inside compact power packs, while a weight of 15 lb allows manual handling during service. The inlet can tolerate 5 in Hg vacuum, which sets the limit for reservoir elevation and suction line losses. These construction, sealing, size, mass, and suction characteristics help designers integrate the pump into automated hydraulic machinery without cavitation or clearance issues.
Design Code
20
Displacement
3.3 cm³/rev
Height
4.35 in
Length
6.3 in
Material
Cast Iron
Max Inlet Pressure
0.7 bar (10 psi)
Max Inlet Vacuum
5 in Hg
Max Speed
4800 rpm
Max Working Pressure
172 bar (2500 psi)
Rated Delivery @1200 Rpm (100 Psi)
1 USgpm
Seal Material
Buna-N
Shaft Rotation
Left-Hand (CCW)
Weight
15 lb
Width
5.12 in
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