Valve diaphragm

Details Valve diaphragm Valve diaphragm

1981-08-13

1983-12-20

Walton, George L.

Valves and valve actuation

Valve head movably connected for accommodation to seat

With universal connection

251331, 251335B, F16K 716, F16K 2500

Patent

active

044212950

ABSTRACT:
A valve apparatus for controlling fluid flow wherein the apparatus comprises a valve assembly and valve housing; the valve housing including a valve chamber incorporating fluid inlet and outlet conduits and a valve seat; and the valve assembly including a valve stem and collar; the stem extending at one end into said chamber and adapted to rectilinear but limited movement within said collar; a swivel bearing cup having a bearing surface and rim abutting the terminal end of said valve stem within said valve chamber; and a resilient, compressible, annular valve diaphragm mounted about said valve stem and swivel bearing cup within said chamber.

REFERENCES:
patent: 372641 (1887-11-01), Robertshaw
patent: 529692 (1894-11-01), Bavier
patent: 584291 (1897-06-01), Osgood
patent: 649132 (1900-05-01), MacCorquodale
patent: 3552714 (1971-01-01), Mannville
patent: 4203464 (1980-05-01), Farrell et al.

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