Butterfly valve

Details Butterfly valve Butterfly valve

1984-01-19

1987-03-31

Schwadron, Martin P.

Valves and valve actuation

Rotary valves

Butterfly

251148, 251367, 285336, 285367, F16K 122

Patent

active

046537252

ABSTRACT:
A butterfly valve has a housing formed from two stamped sheet parts. The shaft of the valve flap is located in shaped-out parts of the housing halves. The two flanges of the housing halves are held together by a clamp, which has an inwardly open, U or V-shaped cross-section and can be secured in articulated manner by two semicircular parts and presses by chamfered inner faces on tori on the flanges. Thus, the valve can be assembled and disassembled by loosening a single screw.

REFERENCES:
patent: 2065750 (1936-12-01), Safford
patent: 2674471 (1954-04-01), Hawkins
patent: 3110471 (1963-11-01), Kuhles
patent: 4060220 (1977-11-01), Fischer
patent: 4093178 (1978-06-01), Hughes et al.
patent: 4111395 (1978-09-01), Sheppard
patent: 4332271 (1982-06-01), Rohr

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