Ball valve

Details Ball valve Ball valve

1992-08-31

1994-04-26

Hepperle, Stephen M.

Fluid handling

Systems

Dividing into parallel flow paths with recombining

137542, F16K 4702

Patent

active

053057902

ABSTRACT:
A ball valve has two mutually orthogonal diametrical internal passages in one of which is mounted a pressure relief valve assembly for resisting sudden pressure flucutations in fluid flow during movement of the ball valve from an open to a closed position. The assembly has an adjustable biasing force to calibrate the valve.

REFERENCES:
patent: 1185333 (1916-05-01), Keltner
patent: 2399300 (1946-04-01), Stewart et al.
patent: 2898935 (1959-08-01), Harris et al.
patent: 4932436 (1990-06-01), Kanemaru

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