Product » Pumps
Air Hydraulic Pump
Single Action, Foot Operated
74.4cu.in/min@0psi (1.22L/Min@0bar)
5.8cu.in/min@10000psi (0.095L/Min@700Bar)
Max Pressure 10000psi (700bar)
1. The pump is smart and portable with small size and light package, which is widely used for single-acting cylinders.
2. High quality seals and reasonable structure supply a strong force & excellent pressure-holding performance.
3. Every part of the pump is processed fine and durable.
4. 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-1 Polyethylene reservoir 104  98 40-120 74.4  5.8 3/8 NPT 13.2
WPA-2 Aluminum reservoir 104  98 40-120 74.4  5.8 3/8 NPT 15.4
WPA-3 Polyethylene reservoir 146 140 40-120 74.4  5.8 3/8 NPT 15
WPA-4 Steel reservoir 232 226 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-1 Polyethylene reservoir 1.7 1.6 3-8 1.22  0.095 3/8 NPT 6
WPA-2 Aluminum reservoir 1.7 1.6 3-8 1.22  0.095  3/8 NPT 7
WPA-3 Polyethylene reservoir 2.4 2.3 3-8 1.22  0.095  3/8 NPT 6.8
WPA-4 Steel reservoir 3.8 3.7 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.)
W-DA1 7.87 5.82 4.44 10.04 5.04 9.17*4.13
W-DA2 7.87 5.7 4.44 10.35 5.35 9.21*4.21
W-DA3 8.26 6 4.64 12.4 6.89 8.66*4.01
W-DA4 7.67 5.98 4.01 12.99 7.48 /


WPA SERIES DIMENSIONS SHEET (METRIC)
Item No. A B C D E F1*F2
(mm) (mm) (mm) (mm) (mm) (mm)
W-DA1 200 148 113 255 128 233*105
W-DA2 200 145 113 263 136 234*107
W-DA3 210 153 118 315 175 220*102
W-DA4 195 152 102 330 190 /