Low profile tank car ball valve

Details Low profile tank car ball valve Low profile tank car ball valve

1980-03-26

1982-01-19

Cline, William R.

Valves and valve actuation

With correlated flow path

Tank

251315, 251367, F16K 506, F16K 2700

Patent

active

043112986

ABSTRACT:
In a railway tank car, a tank mounting flange is integrally connected to the tank bottom. The tank mounting flange includes an opening into which is inserted a ball valve housing. The ball valve housing includes an upper housing portion and a lower housing portion. Mechanical housing fasteners hold the upper housing portion in engagement with the lower housing portion. The lower housing portion has an outwardly extending housing flange portion which engages the tank mounting flange. Removable fasteners hold the housing flange portion in place in engagement with the mounting flange. A ball valve is located within both the lower housing portion and the upper housing portion. A pair of vertically extending seals seal the ball valve with respect to the tank when the ball valve is in closed position. The ball valve may be either bottom operated or top operated.

REFERENCES:
patent: 1570637 (1926-01-01), Nordstrom
patent: 3256910 (1966-06-01), Cupp
patent: 3286735 (1966-11-01), Yindrock
patent: 3591131 (1971-07-01), Carlson
patent: 3661355 (1972-05-01), Rawstron
patent: 4167374 (1979-09-01), Smith
patent: 4212447 (1980-07-01), Behle

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