Butterfly valve assembly and method of making same

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

1985-09-23

1987-08-25

Chambers, A. Michael

Fluid handling

With heating or cooling of the system

Circulating fluid in heat exchange relationship

251144, 291571R, F16K 4900

Patent

active

046885943

ABSTRACT:
A butterfly valve assembly and method of making the same are provided wherein such valve assembly has a valve body structure and a closure structure and is provided with a new device for locking, in its closed position, a shaft assembly which is used to operate the closure structure. In accordance with another feature of the invention a new butterfly valve and method of making same are provided wherein such butterfly valve has new heat exchange devices comprising same for controlling the temperature thereof.

REFERENCES:
patent: 2884959 (1959-05-01), Neely
patent: 3557823 (1971-01-01), Carr
patent: 3941186 (1976-03-01), Schneider
patent: 4559967 (1985-12-01), Gardner et al.

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