Device and method for operating at least two valves

Details Device and method for operating at least two valves Device and method for operating at least two valves

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 31/40 (2006.01) E03C 1/04 (2006.01) E03C 1/05 (2006.01) F16K 31/385 (2006.01)

Patent

CA 2430189

A valve device (10, 100) and a method for operating at least two valves (28A and 28B), or 128A and 128B) is actuated by an actuator (25, 27; 25', 27') and arranged for controlling fluid flow in at least two separate fluid lines (12A, 12B). The two valves are preferably diaphragm operated valves. The valve device includes a pressure release mechanism constructed to change pressure in a diaphragm chamber of each diaphragm operated valve and thereby open or close the valve.

L'invention concerne un dispositif formant vanne (10, 100) et un procédé permettant d'actionner au moins deux vannes (28A et 28B, ou 128A et 128B). Ce dispositif est actionné par un organe de commande (25, 27 ; 25', 27') et prévu pour commander l'écoulement du fluide dans au moins deux canalisations de fluide séparées (12A, 12B). Ces deux vannes sont, de préférence, des vannes à membrane. Ce dispositif comprend un mécanisme à relâchement de pression prévu pour modifier la pression dans une chambre à diaphragme de chaque vanne à diaphragme et ouvrir ou fermer ainsi la vanne.

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