Method of operation of GESTRA non-return valves

METHOD OF OPERATION

The spring-loaded DISCO® non-return valve opens when the opening force exceeds the closing force. The opening force is dependent on the pressure or volumetric flowrate, the closing force is dependent on the tension of the closing springs, the closing weight, the installation position and size of the check valve.

GESTRA DISCO® non-return valve in fully open position

GESTRA DISCO® non-return valve in closed position


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