Diaphragm actuated valves

Details Diaphragm actuated valves Diaphragm actuated valves

G - Physics

05

D

137/109

G05D 11/00 (2006.01) G05D 16/06 (2006.01)

Patent

CA 1038259

IMPROVEMENTS IN DIAPHRAGM ACTUATED VALVES Abstract of the Disclosure A diaphragm actuated valve having inlet, outlet and bypass ports is provided with two independently operating valves on a diaphragm rod stem of a diaphragm assembly. One of the valves operates as a main air valve and the other valve provides positive relief of air pressure when that pressure reaches a predetermined value. The preferred embodiment of the valve structure is a sheet metal construction including a cap closing and delimiting a dia- phragm chamber. The cap structure has a diaphragm stop means integrally formed with it which limits diaphragm movement during valve operation.

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