Butterfly valve and method of making same

Details Butterfly valve and method of making same Butterfly valve and method of making same

1981-03-20

1983-04-19

Schwadron, Martin P.

Fluid handling

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

Jacketed

137340, 251308, F16K 122

Patent

active

043802460

ABSTRACT:
A butterfly valve for controlling flow therethrough of a high temperature fluid and method of making same are provided wherein such valve comprises an outer metal housing, a ceramic lining carried by the housing and defining a fluid flow passage through the valve, a valve closure member, a rotatable shaft fixed to the member, and means rotatably supporting the shaft on the housing to enable rotation of the member within the flow passage from an open to a closed position to open and close the flow passage, and wherein the member is made of a ceramic material and the shaft is embedded substantially centrally between opposed surfaces of the member.

REFERENCES:
patent: 3837356 (1974-09-01), Selep et al.
patent: 4079747 (1978-03-01), Roberts
patent: 4308805 (1982-01-01), Spater

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