FIELD: power engineering.
SUBSTANCE: device to adjust and control the flow in heating and cooling systems, in which the flow is controlled with a complete valve, which is a combination of a differential pressure valve (5) and a flow control valve (6). In this device the design of the complete valve provides for flow/passage of water via that piping system, in which this valve is mounted. At the same time the levels of pressure difference P1 at the inlet (2), P2 in the intermediate chamber (4) and P3 at the outlet (3) are measured with metering nipples (27a and 27b), while the pressure difference of P2 and P3 during operation may be controlled.
EFFECT: improved characteristics of a device.
8 cl, 7 dwg
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