Valve seat assembly and valve

Details Valve seat assembly and valve Valve seat assembly and valve

F - Mech Eng,Light,Heat,Weapons

16

K

251/29

F16K 1/226 (2006.01)

Patent

CA 1233454

-28- Abstract of the Disclosure A seating assembly for use in a rotary valve comprising a metallic seat ring having a radially inner metallic sealing section and a polymeric seat ring having a polymeric sealing section for sealing engagement with a valve element, each of said rings having a radially outer retaining section for mounting the respective rings in a valve body, both of said rings having an intermediate spacer section interconnecting the radially inner sealing and radially outer retaining sec- tions. The spacer sections have convoluted runs forming interlocking formations to prevent relative radial movement of the seat rings, and there are a multiplicity of circumferential windings of strands in surrounding relation to the metallic sealing section.

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