Valve for fire extinguishing system of gas distribution type

Details Valve for fire extinguishing system of gas distribution type Valve for fire extinguishing system of gas distribution type

F - Mech Eng,Light,Heat,Weapons

16

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137/67

F16K 31/00 (2006.01) F16K 1/12 (2006.01) F16K 17/38 (2006.01) F16K 31/122 (2006.01)

Patent

CA 1110520

A B S T R A C T A line or Directional valve of the type that is adapted for use in fire extinguishing systems of the gas dissemination type is provided, employing a move able piston adapted to be unseated from the valve seat, upon delivery or fluid for opening thereof, wherein the forces of the valve piston against the valve seat are reduced and controlled by utilizing inlet fluid pressure that is operative against the piston in such a way as to reduce the forces from inlet fluid pressure on the piston to a desired net or resultant force. A vent is also provided for facilitating keeping the piston open after its initial opening.

283206

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