Ralston Hydraulic Hand Pumps

Hydraulic hand pumps from Ralston Instruments are designed and manufactured to our highest quality standards. The hand operated hydraulic pumps are versatile in nature and can be used to generate pressure up to 350 bar or 5000 ps for field testing. Quick test adapters ensure quick & efficient connection between a calibrator and a process connection.

Applications

Ralston hydraulic hand pumps are fit for use where traditional power inputs are unavailable or unsuitable. It is commonly used for portable applications such as gauge testing & calibration, particularly when high-precision adjustment is required.

Ralston Hydraulic Hand Pumps

Our exclusive range of Ralston hydraulic hand pumps come with built-in reservoirs that are made from heavy-duty polymer for maximum wear and tear. They come fitted with a fill Plug with over pressure relief for easy set up.

  • Reservoir capacity with large enough volume for multiple calibrations
  • Maximum pressure 5000 psi
  • Durable pump body improves pressure and temperature stability
  • Easy and quick set up; does not require a wrench or thread sealant


Whatever your needs, our hydraulic hand pumps with reservoir provide precision design and aptness for a wide range of applications. Ralston hydraulic hand pump for high pressure and low-pressure applications ensure performance, reliability, and cost-effectiveness.

Hydraulic Hand Pump Models

Model Max Pressure Reference Connection Process Connection Hose
QTHP-0000 5000 PSI / 345 bar / 35 MPa None 1/4" Male NPT Quick-test Hose, Stainless Steel ends, 3ft / 0.9m long
QTHP-1MBA 5000 PSI / 345 bar / 35 MPa 1/8" Male NPT 1/4" Male NPT Quick-test Hose, Stainless Steel ends, 3ft / 0.9m long
QTHP-2MBA 5000 PSI / 345 bar / 35 MPa 1/4" Male NPT 1/4" Male NPT Quick-test Hose, Stainless Steel ends, 3ft / 0.9m long
QTHP-2FBA 5000 PSI / 345 bar / 35 MPa 1/4" Female NPT 1/4" Male NPT Quick-test Hose, Stainless Steel ends, 3ft / 0.9m long
QTHP-4FBA-RG 5000 PSI / 345 bar / 35 MPa 1/2" Female BSPP (G1/2) 1/4" Female BSPP (G1/4) Quick-test Hose, Stainless Steel ends, 1m long

Hydraulic Hand Pump Models with FieldLab

Model Pressure Reference Process Connection Hose
QTHP-1KPSIG-FL Pressure FieldLab, 1000 psi / 70 bar / 7 MPa Female Quick-test Quick-test Hose, Stainless Steel ends, 3ft / 0.9m long
QTHP-3KPSIG-FL Pressure FieldLab, 3000 psi / 200 bar / 20 MPa 1/4" Male NPT Quick-test Hose, Stainless Steel ends, 3ft / 0.9m long
QTHP-5KPSIG-FL Pressure FieldLab, 5000 psi / 350 bar / 35 MPa 1/4" Male NPT Quick-test Hose, Stainless Steel ends, 3ft / 0.9m long

Hydraulic Hand Pump Models with Digital Gauge

Model Pressure Gauge Process Connection Hose
QTHP-1KPSIG-D Digital pressure gauge, 1000 PSIG Pressure 1/4" Male NPT Quick-test Hose, Stainless Steel ends, 3ft / 0.9m long
QTHP-3KPSIG-D Digital pressure gauge, 3000 PSIG Pressure 1/4" Male NPT Quick-test Hose, Stainless Steel ends, 3ft / 0.9m long
QTHP-5KPSIG-D Digital pressure gauge, 5000 PSIG Pressure 1/4" Male NPT Quick-test Hose, Stainless Steel ends, 3ft / 0.9m long
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