Adaptable control valve for fluid treatment system

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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F16K 11/00 (2006.01) C02F 1/42 (2006.01) F16K 31/48 (2006.01)

Patent

CA 2249978

A control valve for a fluid treatment system includes a manifold (10) which mounts a pair of open-ended, cylindrical valve bodies (11, 12) and interchangeable single and double poppet valve assemblies (146, 147) received into the open ends of the valve body. The poppet valve assemblies have diaphragm valve actuators disposed between chambers that are in fluid communication with selective ones of an array of pilot valves (13) also mounted on the manifold. The control valve includes a timer mechanism (15) for actuating the pilot valves (13) in a controlled sequence. A tank adapter connects the manifold to a treatment tank. A variety of sequences of flow paths can be selected by selection of the interchangeable poppet valve assemblies, by plugging selected ports in the valve housing, and by capping open, unused ends of the valve bodies.

Vanne de commande pour système de traitement de fluide comportant un collecteur (10) qui reçoit une paire de corps de vanne (11, 12) cylindriques à extrémité ouverte et des ensembles soupapes à champignon simples et doubles interchangeables (146, 147) montés dans les extrémités ouvertes du corps de vanne. Les ensembles soupapes à champignon comportent des actionneurs de soupape disposés entre les chambres qui sont en communication fluidique avec certaines vannes pilotes particulières parmi un ensemble de vannes pilotes (13) montées également sur le collecteur. La vanne de commande comporte un mécanisme de temporisation (15) permettant d'actionner les vannes pilotes (13) suivant une séquence déterminée. Un adaptateur de cuve relie le collecteur à une cuve de traitement. On peut sélectionner différentes séquences de voies d'écoulement en sélectionnant certains des ensembles soupapes à champignon interchangeables, en connectant certains orifices choisis dans le carter de la vanne et en bouchant les extrémités ouvertes, non utilisées, des corps de vannes.

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