Butterfly valve with passive-lubricated liner/seat

Details Butterfly valve with passive-lubricated liner/seat Butterfly valve with passive-lubricated liner/seat

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 1/226 (2006.01)

Patent

CA 2359179

A butterfly valve is provided with a seat/liner which is injection-molded directly against the valve body. The seat/liner includes a passive lubricant which is preferably silicone. The seat/liner preferably covers substantially all of the valve body conduit surface, preventing any contact of fluid flow with the valve body. Preferably the seat/lining bonds directly to the valve body without the need for an adhesive material or layer. In one aspect, the seat/liner includes a lip portion extending radially outward, e.g. at the attachment faces of the valve body.

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