Valve seat assembly and valve

Details Valve seat assembly and valve Valve seat assembly and valve

1983-02-03

1985-03-19

Schwadron, Martin P.

Fluid handling

Destructible or deformable element controlled

Heat destructible or fusible

251173, 251306, 277 26, 277236, F16K 1226

Patent

active

045052905

ABSTRACT:
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 sections. 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.

REFERENCES:
patent: 4005848 (1975-02-01), Eggleston
patent: 4130285 (1978-12-01), Whitaker
patent: 4194749 (1980-03-01), Bonafous
patent: 4196886 (1980-04-01), Murray
patent: 4220172 (1980-09-01), Stager
patent: 4231546 (1980-11-01), Eggleston et al.
patent: 4258901 (1981-03-01), Zinnai et al.
patent: 4272054 (1981-06-01), Zinnai
patent: 4304392 (1981-12-01), Maciulaitis
patent: 4345738 (1982-08-01), Ripert
patent: 4396199 (1983-08-01), Boyd et al.
patent: 4398695 (1983-08-01), Torche
patent: 4410163 (1983-10-01), Scobie et al.

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