Valve, actuator and control system therefor

Details Valve, actuator and control system therefor Valve, actuator and control system therefor

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 31/12 (2006.01) F15B 11/08 (2006.01) F16D 31/02 (2006.01) F16K 5/06 (2006.01) F16K 31/44 (2006.01)

Patent

CA 2560318

A valve, actuator and control system that allows minimizing the size of the actuator and operation of the control system in a manual mode that automatically prevents accidental operation by pipeline pressure is disclosed. The actuator uses gas pressure from the pipeline to power the actuator. In the event gas pressure is unavailable, a pair of manual hand pumps are incorporated to allow operation of the actuator and valve.

L'invention concerne une vanne, un actionneur et un système de commande. L'invention permet de réduire au minimum la taille de l'actionneur. Elle permet également l'exploitation du système de commande en mode manuel, ce qui empêche le déclenchement intempestif dû à la pression dans les tuyaux. L'actionneur utilise la pression du gaz du tuyau pour se mettre en marche. En cas d'absence de gaz, une paire de pompes manuelles intégrées permettent de commander l'actionneur et la vanne.

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