Four-way ball valve

Details Four-way ball valve Four-way ball valve

1978-10-20

1980-11-11

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

251289, 251175, F16K 11087

Patent

active

042327091

ABSTRACT:
A four-way ball type valve including a spherical valve element operable to as many as four positions and which can be installed on a railway car in place of the branch pipe tee to eliminate the need for an angle cock at each end of the brake pipe and a brake control valve cut-out cock. The ball valve is functionally analogous to a rotary valve in cutting off the brake pipe at either end of the car without interrupting the brake control valve connection with the brake pipe, or in cutting out the brake control valve while establishing brake pipe continuity through the train.

REFERENCES:
patent: 2905197 (1959-09-01), Janes
patent: 3192943 (1965-07-01), Moen
patent: 3223111 (1965-12-01), Anderson
patent: 3648723 (1972-03-01), Nelson et al.
patent: 3812980 (1974-05-01), Kolb et al.
patent: 4069836 (1978-01-01), Sowinski

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