Vickers | 421572-L
421572-L
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The 421572-L cartridge kit belongs to the Vickers Hydraulic Accessories series and is manufactured by Vickers for use in hydraulic automation where fast field replacement of pump internals is required. The kit employs an intra-vane, balanced cartridge design to reduce side loading and vibration during operation. It moves 55 cm³ of fluid per revolution, and at 1200 rpm under 100 psi it delivers a nominal flow of 17 gpm for medium-duty circuits. Continuous shaft speeds may reach 2500 rpm without compromising integrity. Rotation is defined as left hand (counter-clockwise) when viewed from the shaft end, allowing installers to match drive direction correctly.
A bronze flexible plate facing maintains surface conformity under load and helps control internal leakage. The assembly sustains a maximum continuous pressure of 210 bar, or 3000 psi, which suits common mobile and industrial systems. Sealing hardware is supplied as O-rings and shaft seals molded from Viton FKM to tolerate hot hydraulic oil and synthetic fluids. O-ring kit 586590 is included so technicians have all required soft parts on hand during service. Together, these features let maintenance staff restore pump performance quickly while keeping original pressure, speed, and flow ratings intact.
Technical Specifications
Cartridge Design
Intra-Vane, Balanced
Displacement
55 cm³/rev
Flexible Plate Facing
Bronze
Included O-ring Kit
586590
Kit Type
Cartridge Kit
Max Continuous Pressure
210 bar (3000 psi)
Max Speed
2500 rpm
Nominal Flow (1200 Rpm, 100 Psi)
17 gpm
Rotation
Left Hand (CCW)
Rotation Reference
Viewed From Shaft End
Seal Components
O-Rings And Shaft Seals
Seal Material
Viton (FKM)
1620 Old Apex Road
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