FIELD: medical equipment.
SUBSTANCE: invention relates to medical equipment. Valve comprises body with throttling partition in middle part, made with orifice hole mounted in housing on one side of throttle valve and ball seat partition installed in housing on other side of throttle partition cup with bottom hole for flow passage liquor, inside of which there is a spring with support by one end at bottom of shell, and by other - interacting with ball to press it to valve seat. Body has a cylindrical shape. On inner surface of body is formed a thread which interacts with a thread on outer surface of the seat to enable movement of valve seat during adjustment of pressure for opening valve and interacting with thread on outer surface of shell to allow changing of position of spring to prevent hyper-drainage. Threaded connection of body with valve seat and shell are fixed at ends of body by lock nuts.
EFFECT: technical result is reliability, simplicity and manufacturability.
4 cl, 5 dwg
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Authors
Dates
2016-03-27—Published
2014-03-19—Filed