A safety and automatic stop device, in particular for gas...

Details A safety and automatic stop device, in particular for gas... A safety and automatic stop device, in particular for gas...

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 17/00 (2006.01) F16K 17/10 (2006.01) G05D 7/00 (2006.01)

Patent

CA 2078055

A safety and automatic stop device for interrupting the flow of gaseous fluid along a main duct by tripping a safety valve member, the device comprising a safety valve comprising a closing actuator for closing the safety valve member and an opening actuator for opening the safety valve member, and an independent device for remotely controlling said safety valve, comprising both a closing control module co-operating with a pressure-measuring housing to deliver an on/off pneumatic signal to the closing actuator as a function of the value of the pressure of a gaseous fluid to be controlled relative to at least one reference pressure determined by the pressure- measuring housing, and manual control means far applying an on/off pneumatic signal of predetermined value to the opening actuator and for selectively resetting the safety valve member.

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