Dry-break pipe coupling

Details Dry-break pipe coupling Dry-break pipe coupling

1991-07-30

1992-03-17

Schwadron, Martin P.

Fluid handling

Systems

Flow path with serial valves and/or closures

F16L 2900

Patent

active

050959468

ABSTRACT:
A dry-break pipe coupling includes a valve body and a quarter turn rotary valve such as a butterfly valve, plug valve, ball valve and the like, the valve body and the contained valve having been split transversely in a direction intersecting the Y--Y axis of rotation of the valve into two separate valve body and valve portions that are rotatable about an axis concentric with or closely proximate to the Y--Y axis of the body, the valve portions being separable one from the other when the valve is in a closed position, the respective valve body portions each providing rotational support for the valve portion associated with that valve body portion.

REFERENCES:
patent: 2326143 (1943-08-01), Hufferd
patent: 2712454 (1955-07-01), Love
patent: 4030524 (1977-06-01), McMath et al.
patent: 4103712 (1978-08-01), Fletcher et al.
patent: 4135551 (1979-01-01), Knight et al.
patent: 4271865 (1981-06-01), Galloway et al.
patent: 4359066 (1982-11-01), Hunt
patent: 4438779 (1984-03-01), Allread
patent: 4664149 (1987-05-01), Fremy
patent: 4809747 (1989-03-01), Choly et al.
patent: 4936547 (1990-06-01), Obst

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