| 摘要 |
An individual heat point comprises a pipe for supply of hot water and a pipe for discharge of return water on which pipeline fittings are installed, measuring and control devices, those provide functioning of heating system and control of its circulation pump. Between the supply and return pipelines a hydraulic switch is installed, this consists of a pipe and two pairs of connecting branch pipes, a ball valve, automated or manual one, and a check valve that is installed between the flanges of two arranged in vertical positions vessels of the hydraulic switch. |
