FIELD: valves and accessories.
SUBSTANCE: set of proposed invention relates to pipeline valves and accessories and serves to shut off various-purpose pipelines that carry fluid medium or gas. The proposed shut-off device comprises cylindrical body, elastic diaphragm and valve. Additionally, it comprises a branch pipe with a restrictor and holes. The aforesaid diaphragm is made an interference fit in the body and fastened at the branch pipe ends. The valve is fitted at the branch pipe outlet. The holes are made in the restrictor. There is a design version of the shut-off device wherein an ejector is used instead of the branch pipe with restrictor.
EFFECT: device driven by carried medium power and pressure.
3 cl, 4 dwg
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|
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