The design and lectotype of circulating pump, automatic return water switch valve, expansion tank and atmospheric connection pipe in atmospheric hot water heating boiler room are discussed.
对常压热水供热锅炉房的循环泵、回水自动启闭阀、膨胀水箱、大气连通管的设计选型进行了探讨。
2
It is composed of the circulatingwater loop in constant temperature, surge tank, solenoid valves, flow regulating valve, electronic scale and control units.
整个系统包括恒温循环水回路、稳压罐、电磁阀、流量调节阀、电子秤和控制单元等组成部分。
3
In the hot water system a high water tank with solenoid valve controlled water feeder is used to replace the secondary circulating pump.