Vickers | 222AK00321B
222AK00321B
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The 222AK00321B piston pump belongs to the X20 Mobile Piston Pumps series and is manufactured by Vickers. It serves as a fixed-displacement source of hydraulic flow for mobile automation tasks. The pump offers a displacement of 28 cm³ per revolution, giving a predictable output for control valves. Shaft rotation is right (clockwise), so it can couple to engines that turn the standard PTO direction. A minimum input speed of 500 RPM allows the unit to maintain suction during low idle. When inlet pressure is 0.8 bar absolute the pump can run at 2700 RPM, and it accepts 3000 RPM when 1.0 bar absolute is available, letting designers match speed to charge conditions. The maximum input speed of 3600 RPM accommodates high engine revs, while a maximum input power of 39.2 kW defines the driving motor size. An input torque limit of 125 Nm guides shaft coupling selection, and a peak pressure rating of 5000 psi equips the pump for high-load circuits.
The b10 bearing life is 5850 hours, supporting preventative maintenance schedules for fleets that log long duty cycles. A product weight of 35.9 lb eases handling during installation, and the 6.85 in overall width helps the pump fit within compact engine compartments. A 2-bolt B front mounting pattern delivers a rigid flange interface that resists misalignment under continuous vibration. High-pressure flow exits through a 1.0625-12 UN-2B SAE O-ring port that simplifies the selection of standard hose ends, while inlet flow enters through a 1.625-12 UN-2B SAE O-ring suction port sized to minimize velocity losses. Case leakage is returned via a .875-14 UNF-2B O-ring drain port, protecting internal components from excess pressure. Together these port forms support reliable sealing without auxiliary adapters.
Technical Specifications
Bearing Life (b10)
5850 hr
Displacement
28 cm³/rev
Drain Port Size
.875-14 UNF-2B O-Ring
Front Mounting
2 Bolt B
Input Speed At 0.8 Bar Abs
2700 RPM
Input Speed At 1.0 Bar Abs
3000 RPM
Max Input Power
39.2 kW
Max Input Speed
3600 RPM
Max Input Torque
125 Nm
Min Input Speed
500 RPM
Peak Pressure
5000 psi
Pressure Port Size
1.0625-12 UN-2B SAE O-Ring
Product Weight
35.9 lb
Product Width
6.85 in
Shaft Rotation
Right (CW)
Suction Port Size
1.625-12 UN-2B SAE O-Ring
1620 Old Apex Road
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