Sealing device for valves

Details Sealing device for valves Sealing device for valves

F - Mech Eng,Light,Heat,Weapons

16

K

251/30

F16K 1/226 (2006.01) F16K 1/228 (2006.01)

Patent

CA 1160614

A SEALING DEVICE FOR VALVES Abstract of the Disclosure The device comprises a main valve-seat of sheet metal having an anchoring flange attached to the valve body and a closure structure which is adapted to cooperate with the valve disk by means of an outer wall forming a curled shell, said closure structure being applied against the convex surface of an auxiliary seat which is in turn applied against the valve body in order to ensure resilient coiling-up of the curled shell when closing the valve, thereby reducing the operating torque of the valve and achieving enhanced leak-tightness in the closed position. -1-

391963

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