Diaphragm Type Solenoid Valves

Diaphragm type solenoid valves are most commonly associated with 2-way solenoid valves. They generally consist of a rubber diaphragm which moves up or down within a valve body, opening or closing against a hard seat, thereby changing the state of the solenoid valve. In direct acting or forced lift solenoid valves, the media pressure has no bearing on the position of the diaphragm, it simply changes its state once the solenoid coil is energised and either opens or closes, depending on the specification of the solenoid valve in its resting state (normally closed or normally open).

In indirect or pilot operated solenoid valves, the pressure of the media flowing through the valve acts as a pilot and influences the position of the diaphragm, and therefore the state of the valve.

Diaphragm type solenoid valves are available in a wide range of materials to suit almost any industrial application and process media. Valve diaphragm materials include NBR, Viton, EPDM and PTFE, and more exotic materials are available for specialist duties. When choosing a solenoid valve, it is important to check the chemical compatibility of the valve diaphragm material in order to ensure longevity and suitability of the valve in your application.

MGA Controls Ltd are experts when it comes to selecting diaphragm solenoid valves. Allow us to understand your application, budget and any other special requirements before recommending the correct solution for your application.
Please contact the MGA Sales Team on 01704 898980 or store@mgacontrols.co.uk for more information on our extensive range of diaphragm type solenoid valves.

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