Corrosion resistant valve construction

Details Corrosion resistant valve construction Corrosion resistant valve construction

1980-05-19

1981-12-01

Schwadron, Martin P.

Fluid handling

With casing, support, protector or static constructional...

Jacketed

251305, 308 26, F16K 122

Patent

active

043030947

ABSTRACT:
A valve, such as a butterfly valve having an offset closure vane and stub shafts for operating the vane in the flow passage of the body, has all exposed and/or potentially vulnerable metal surfaces encapsulated in a corrosion-resistant polymeric plastic coating. Providing bearing support for the vane drive shaft are a pair of spaced apart journal bearings located in the shaft bore in a shrink fit relation to the coating thereat.

REFERENCES:
patent: 3406707 (1968-10-01), Schenck, Jr.
patent: 3458214 (1969-07-01), West
patent: 3800415 (1974-04-01), Pease
patent: 3958595 (1976-05-01), Al et al.
patent: 3988000 (1976-10-01), Reese
patent: 4005849 (1977-02-01), Lorthiois
patent: 4095825 (1978-06-01), Butler

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