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AIR HYDRAULIC PUMP 
3.8L/5L CAPACITY RESERVOIR
FOOT OPERATED, SINGLE ACTION
10000PSI(700BAR) PRESSURE
1. Big steel reservoir with 3.8L/5L capacity can fit more working requirements. 
2. The pump is smart and portable with small size and light package, which is widely used for single-acting cylinders.
3. High quality seals and reasonable structure supply a strong force & excellent pressure-holding performance.
4. Every part of the pump is processed fine and durable.
5. With easy-economical repair unit, the pump can be used for long time with these recycle parts.
WPA SERIES SPECIFICATIONS (IMPERIAL)
Model Reservoir Type Reservoir Air Supply Required Flow Rate oil port weight
capacity usable @0psi @10000psi
Cu.In. Cu.In. psi Cu.In./min Cu.In./min lbs
WPA-4 Steel reservoir 232 220 40-121 74.4  5.8 3/8 NPT 22
WPA-5 Steel reservoir 305 281 40-121 74.4  5.8 3/8 NPT 26.5

WPA SERIES SPECIFICATIONS (METRIC)
Model Reservoir Type Reservoir Air Supply Required Flow Rate oil port weight
capacity usable @0 bar @700 bar
L L bar L/min L/min kg
WPA-4 Steel reservoir 3.8 3.5 3-8 1.22  0.095  3/8 NPT 10
WPA-5 Steel reservoir 5 4.6 3-8 1.22  0.095  3/8 NPT 12


 
WPA SERIES DIMENSIONS SHEET (IMPERIAL)
Item No. A B C D E F1*F2
(in.) (in.) (in.) (in.) (in.) (in.)
WPA-4 7.67 5.98 4.01 12.99 7.48 /
WPA-5 7.67 5.98 4.01 14.65 9.1 /


WPA SERIES DIMENSIONS SHEET (METRIC)
Item No. A B C D E F1*F2
(mm) (mm) (mm) (mm) (mm) (mm)
WPA-4 195 152 110 330 190 /
WPA-5 195 152 110 372 231 /