FIELD: machine engineering.
SUBSTANCE: reverse valve contains casing with input and output channels, located in it fixed bushing, supplied with radial holes, and a locking element cylindrical form decorated with possibility of axial displacement inside the sleeve. The radial holes are connected by an annular groove made on the outer surface of the sleeve. On the inner surface of the sleeve, from the side of the end facing the outlet channel, an annular projection is formed between the holes. The locking element is made solid, with a diameter equal to the inner diameter of the sleeve between the annular shoulder and the inlet channel.
EFFECT: use of claimed valve allows to increase the durability of its components to mechanical stress, increase the area of gas flow between adjacent volumes and increase the technological effectiveness of its operation.
6 cl, 3 dwg
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