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Comparators & Hand Pumps

Field calibration of pressure instruments often requires a portable source of stable pressure. We have hand operated pneumatic pumps capable of pressures up to 4500 kPa / 650 PSI, with hydraulic options up to 1,000 Bar / 15,000 PSI. We also supply a wide range of regulators, valves, controllers and manifolds to allow precise pressure control of compressed air or nitrogen in your workshop or laboratory.

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  1. Ralston DCAP Pneumatic Pressure Test Pump (45 Bar)

    Ralston DCAP Pneumatic Pressure Test Pump (45 Bar)

    • 0 to 650 PSI / 45 Bar Range
    • Precise 0.001 PSI Fine Adjust Resolution
    • Quick-Test Leak-Free Connections
    • Durable Aluminium & Steel Construction

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  2. Ralston QTHP-0000 Hydraulic Hand Pump (350 Bar)

    Ralston QTHP-0000 Hydraulic Hand Pump (350 Bar)

    • Pressure range - 0 to 5,000 psi max. (350 bar)
    • Fast, High Pressure Priming
    • Polymer based reservoir (not glass) for increased safety
    • Media: Low Viscosity Mineral based Hydraulic Oil, Distilled water

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  3. Ralston XTHP-0000 Hydraulic Hand Pump (700 Bar)

    Ralston XTHP-0000 Hydraulic Hand Pump (700 Bar)

    • Pressure range - 0 to 10,000 psi max. (700 bar)
    • Fast, High Pressure Priming
    • Polymer based reservoir (not glass) for increased safety
    • Media: Low Viscosity Mineral based Hydraulic Oil, Distilled water

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3 Item(s)

per page

Set Descending Direction