Fire safe seat for a valve

Details Fire safe seat for a valve Fire safe seat for a valve

F - Mech Eng,Light,Heat,Weapons

16

K

251/29

F16K 1/22 (2006.01) F16K 1/226 (2006.01) F16K 5/06 (2006.01)

Patent

CA 1166230

FIRE SAFE SEAT FOR A VALVE ABSTRCT OF THE DISCLOSURE A valve seat especially adapted for a butterfly valve is provided which is formed both of metal and "soft" material so as to furnish a "bubble tight" seal in normal operating conditions and a metal-to-metal seal in fire situations. The seat is uniquely constructed and is permanently deformed by the disc or closure member of the valve to form a precise size and configuration corresponding to the size and configuration of the disc.

393497

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