FIELD: machine building.
SUBSTANCE: group of inventions includes valve device and membrane for pressure regulating valves. At that the said valve device (101) to control flow of heating or cooling fluid contains: casing (102) with input part (3) and output part (4), pressure regulating valve (111), located between said input part (3) and output part (4) and having regulating valve element (112); said regulating valve element (112) is connected with the membrane (115); said membrane (115) contains sealing roll (118, 119), at that the first sealing roll (118) contains two shoulders (126, 129), pressure regulating valve (111) contains cavity (124) for the first sealing roll (118) installation radially to internal side (122), at that radially internal side (122) of the first sealing roll (118) is larger than cavity (124), so the sealing roll (118) is held in the cavity (124) with pre-tensioning. Said membrane for the pressure regulating valves contains sealing roll (118, 119), at that the first sealing roll (118) contains two shoulders (126, 129) and groove (131, 431, 433, 731) with difference that the groove (431, 433, 731) is made on radially external side (123) of the first sealing roll (118).
EFFECT: creation of the valve device with membrane, that occupies exactly specified position relatively to the regulating valve element, and has lower risk occurrence of undesirable vibration or noise.
13 cl, 10 dwg
