Ball valve coupling

Details Ball valve coupling Ball valve coupling

1981-11-16

1984-03-27

Chambers, A. Michael

Fluid handling

Systems

Flow path with serial valves and/or closures

2511499, 285 85, F16L 3706

Patent

active

044387792

ABSTRACT:
The invention pertains to fluid couplings of high capacity, low resistance flow characteristics utilizing ball valves. Identical fitting bodies each include a ball valve rotatable 90.degree. between open and closed positions by an exteriorly accessible handle. Locking means of one coupling half associated with the ball valve actuator through cam structure cooperates with locking means defined upon the other coupling half wherein rotation of the ball valves to the open position is prevented until the coupling halves have been fully connected. Further, the locking means prevent the coupling halves from being disconnected until both ball valves have been closed.

REFERENCES:
patent: 974501 (1910-11-01), Leonard
patent: 1038669 (1912-09-01), Shepherd
patent: 1857420 (1932-05-01), Wolford
patent: 2684860 (1954-07-01), Rafferty
patent: 2948553 (1960-08-01), Gill et al.
patent: 3159180 (1964-12-01), Courtot et al.
patent: 3479005 (1969-11-01), De Graaf

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