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. This promotes an opening or closing against a hard seat, thereby changing the state of the solenoid valve. In direct acting or diaphragm control 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.
For more information regarding our range of Diaphragm Type Solenoid Valves, please contact the MGA Controls sales team on +44 (0)1704 898980 or sales@mgacontrols.co.uk.
Browse our selection of Diaphragm Type Solenoid Valves. If you are unsure or can't find what you're looking for, please get in touch and one of our specialists will assist you.
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