Butterfly valve

Details Butterfly valve Butterfly valve

1976-03-17

1977-09-13

Cline, William R.

Valves and valve actuation

Rotary valves

Butterfly

291571R, F16K 122

Patent

active

040476960

ABSTRACT:
A butterfly valve comprising a body having a cylindrical passage and a diametral pivot pin and a butterfly valve plate fixed to the pivot pin. The plate is formed with a planar central portion at which the pin is connected to the plate. In assembly, the pin is first placed in position and then the valve plate is adjusted angularly and radially until the periphery of the plate is in sealing relation to the inner surface of the passage. The plate is then fastened to the pin by welding.

REFERENCES:
patent: 3568975 (1971-03-01), Obermaier et al.
patent: 3666235 (1972-05-01), Scott
patent: 3675681 (1972-07-01), Obermaier
patent: 3704721 (1972-12-01), Schmitz et al.
patent: 3902697 (1975-09-01), Robinson

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