Butterfly valve

Details Butterfly valve Butterfly valve

1977-04-07

1978-11-14

Cline, William R.

Valves and valve actuation

Rotary valves

Butterfly

F16K 122

Patent

active

041252489

ABSTRACT:
A butterfly valve including a valve disc provided with a diametrically extending through-hole consisting of large diameter portions at its opposite ends and a small diameter portion at its middle, and first and second valve stems mounted in the large diameter portions at the opposite ends of the through-hole of the valve disc so as to be rotatable integrally with the valve disc. The first and second valve stems are integrally connected together by a connecting rod extending through the small diameter portion at the middle of the through-hole of the valve disc.

REFERENCES:
patent: 2596787 (1952-05-01), Ottinger
patent: 3215400 (1963-11-01), Muller
patent: 3524492 (1970-08-01), Janowsky
patent: 3596876 (1971-08-01), Scaramucci
patent: 3697042 (1972-10-01), Killian

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