FIELD: railway transport.
SUBSTANCE: dump valve comprises first and second main valves. The control space of the first main valve is connected with the outlet of the dump pipeline and inlet space through the control pipeline. The control space of the second main valve is connected with the outlet of the dump pipeline and inlet space through the control pipeline. The closure member of each of the main valves is made of a slide that is connected with the piston and mounted for permitting it to be pressed to the seat.
EFFECT: reduced operating time, sizes, and weight.
4 dwg
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