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Gal Valve - 100 Series

Gal Valve - 100 Series


The direct sealing diaphragm valves were introduced to the world market for the first time by DOROT CONTROL VALVES in1982. This valve is operated by the pressure of the pipeline and is used for various control applications in water supply, fire protection, industrial, sewage and irrigation systems.

The only moving component is a reinforced diaphragm, which:

  • Drip tight seals the liquid passage in the closed valve
  • Allows free passage in the fully open valve with minimal obstruction to the flow line
  • Throttles the flow passage in the modulating valve, as dictated by the pressure in the control chamber



  • Structural simplicity
  • Exquisite design featuring exceptionally low pressure losses at high flow rates
  • Can be used for regulating from no-flow to maximal flow with no need for additional throttling devices or by-pass valves
  • For natural liquids, sea water and industrial effluents
  • A wide selection of materials, coating and diaphragm types
  • All valve models fit a wide variety of control applications using Dorot pilot valve

Main Control Functions & Applications