Manifold valve assemblies with cleaning solution supply

Details Manifold valve assemblies with cleaning solution supply Manifold valve assemblies with cleaning solution supply

B - Operations, Transporting

67

C

B67C 3/00 (2006.01) B67C 3/28 (2006.01) F16K 11/20 (2006.01) F16K 11/22 (2006.01)

Patent

CA 2207792

A plurality of manifold valve assemblies each including pairs of generally vertical valve cylinders (25) each cylinder having actuator rods (32, 35, 53, 57) that are coaxial with each other, the rods being independently actuatable by their respective actuators. Each cylinder has an inlet port (36, 54) at its top each connected to a different supply conduit (50) and each being connected by a crossover conduit near its lower end to the lower end of the other cylinder of the pair. One of the bottom ports (62) of each pair is connected to a drain, thereby forming a leak detector, while the other bottom port (47) of each pair is connected to a line supplying a clean-in-place liquid. In one embodiment is the valve seat (45) positioned below valve plug (40) so that is is closed by extension of actuator rod (32).

L'invention concerne une pluralité d'ensembles de manifolds comprenant chacun des paires de cylindres de vannes généralement verticaux (25) et dotés chacun de tiges de commande coaxiales (32, 35, 53, 57) pouvant être actionnées séparément par leur élément de commande respectif. Chaque cylindre présente, en son sommet, un orifice d'entrée (36, 54) et est relié à une conduite d'alimentation différente et à l'extrémité inférieure de l'autre cylindre de la paire, par un conduit de raccord (50) à proximité de son extrémité inférieure. Un des orifices inférieurs (62) de chaque paire est relié à un drain, formant ainsi un détecteur de fuite, alors que l'autre orifice inférieur (47) de chaque paire est relié à une ligne d'alimentation en liquide de nettoyage sur place. Le siège (45) de la vanne est placé au-dessous de l'obturateur de vanne (40) de sorte qu'il soit fermé par l'extension de la tige d'actionnement (32).

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