Butterfly valve with a retaining ring

Details Butterfly valve with a retaining ring Butterfly valve with a retaining ring

F - Mech Eng,Light,Heat,Weapons

16

K

251/30

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

Patent

CA 1100465

BUTTERFLY VALVE WITH A RETAINING RING Abstract of the Disclosure A butterfly valve is provided having a disc with a hub. The disc is adapted to be rotated between an open and closed position. A housing has a valve seat that is adapted to engage the disc in the closed position. A shaft has one end affixed to the hub and extends outwardly of the housing to permit torque to be transmitted to the disc from a point external thereof. A seal is provided for preventing fluid from passing between the shaft and the housing. A bearing supports the shaft in the housing at a point where the shaft extends outwardly over the housing. A retaining ring friction- ally engages the shaft and abuts the bearing to insure that fluid leaking along the shaft does not eject the bearing and cause injury.

336018

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