• Single acting
  • Double air drive head
  • Pressures to 7,000 bar (101,000 psi)


Examples of application for the G...-2 Series hydraulic pumps include:


  • Hydrostatic tests: Valves, tanks, pressure vessels, pressure switches, hoses, pipes & tubing, pressure gauges, cylinders, transducers, well casings, BOPs, gas cylinders and components from the Aerospace technology.
  • Burst and Cycle fatigue testing for parts mentioned above
  • Calibration: Pressure gauges and transducers
  • Water jet cutting and cleaning
  • Leak testing
  • Emergency shutdown systems for Oil & Gas Wells
  • Pressurisation of accumulators for testing numerous components
  • Operation and Control of well service and well head equipment


We specialise in custom System Design and manufacture to suit your requirements. You can see some of our range of systems in the below links:





Contact us for more information or let us size and design a system to suit your requirements.


Water or Oil operation - G...-2 Series
General Information
Technical Data

G...-2 Pumps


  • Single acting
  • Double air drive head 
  • Pressures to 7,000 bar (101,000 psi)

G...-2 pumps are single acting double air drive head pumps. Compared with the single acting single air drive head G pumps they reach double pressure at the same air drive pressure.


G...-2 pumps are available with polyurethane seals, UHMWPE seals with Viton O-ring for water use are available as option. They come standard with bottom inlet, side inlet is available as option. For air drive pressures from 14.5 psi (1 bar) minimum to 145 psi (10 bar)  maximum.


Options for G series


  • Seal material for oil use (standard pump): Order code: G35 – (L)
  • Seal material for water use: (not available for G500 and G500-2) Order code: G35 – (L)VE / G37D – VE
  • Special seal material to handle special fluids: Order code: See fluid compatibility guide
  • Side inlet (G500, G500-2 and G60 – G150 come standard with side inlet) Order code: G35(L) – S / G35(D)VE – S
  • Special inlet and outlet ports (i. e. NPT): Order code: G35 – NPT
  • Air control unit for G series with filter pressure regulator, control pressure gauge and shut-off valve: Order code: G35(L) with C2
  • To protect the pump against excessive outlet pressures, an air safety valve can be fitted to the air control unit: Order code: G35(L) with C2/SVair (The outlet pressure has to be indicated.)
  • Other options available on request