FIELD: machine building; chemistry.
SUBSTANCE: group of inventions relates to valve industry and is intended to control supply of working medium (WM) in pneumatic and hydraulic systems in chemical, medical industry and other fields of machine building. Two embodiments of design of the electric valve (EV) operating in swelling conditions of the shutoff element in the WM are proposed. Electromagnetic valve comprises housing, electromagnet coil, seat, armature, fixed stop, spring-loaded assembly of shutoff element, shutoff element made of polymer material. Proposed device comprises compensator made of polymer material swelling in working bodies simultaneously with shutoff element and arranged between support surfaces of shutoff element assembly and armature.
EFFECT: technical result is the creation of an electromagnetic valve, in which the flow characteristics are maintained in the swelling conditions of the shutoff element.
2 cl, 2 dwg
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|
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