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membrane hydraulic pump / gear / with electric motor / oil
Hydro/ 3 API 675

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membrane hydraulic pump membrane hydraulic pump - Hydro/ 3 API 675


  • Type:


  • Operation:

    with electric motor

  • Other characteristics:

    oil, modular, membrane, for metering pumps, fuel oil

  • Pressure:

    Min.: 10 bar (145 psi)

    Max.: 100 bar (1,450 psi)


Capacity range of single head pump: 11 – 196 l/h; 100 – 10 bar

The Hydro/ 3 API 675 is designed to comply with API 675 due to its technical features, including full-motion drive, automatic bleeding etc.

The hydraulic diaphragm metering pump Hydro/ 3 API 675 (HA3e) meets the requirements of API 675, among other things due to its full-motion drive and automatic bleeding. Some of the many drive options are also approved for use in areas at risk from explosion.

Your benefits

Excellent process reliability:
■ PTFE multi-layer diaphragm with integral diaphragm rupture warning system
■ Integrated hydraulic relief valve with ventilation function
■ Metering reproducibility is better than ± 1% in the 10-100% stroke volume range under defined conditions and with proper installation.

Excellent flexibility:
■ The modular construction with single and double head versions permits a wide range of applications, with the double head designs (boxer principle) being operated in push-pull mode
■ It is possible to combine up to 5 metering units, even with different pump capacities, in multiple pump systems
■ 5 different gear ratios are available

Field of application
■ Oil and gas industry.
■ Volume-proportional metering of chemicals/additives in the treatment of boiler feed water
■ Metering of reactants and catalysts in the chemical industry
■ Level-dependent metering of auxiliary agents in industrial production engineering, for instance hot wax metering in the production of adhesive strips