FIELD: machine building.
SUBSTANCE: invention is related to the field of machine building and is intended for control of liquid flows that contain solid admixtures, viscous and aggressive mediums. Two-way diaphragm control valve comprises body with through axial hole, elastic membrane, covers with holes for supply and drain of control action of compressed air or another working medium. Body is arranged with two cavities located at its ends. Cavities are closed with covers with elastic membranes arranged in between. There are three channels in body, which are radially arranged to the centre. One of channels is connected to through axial holes and is simultaneously connected to both end cavities of valve body. Two other channels are accordingly connected only to one of mentioned end cavities of body by dead eccentrically arranged holes.
EFFECT: improved reliability and efficiency of operation of system that uses two-way diaphragm control valve.
2 cl, 3 dwg
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