...转速(Revolution Per Minute) 冷煤吸入管(Refrigerant Suction pipe) 冷冻吨(Tons Of refrigeration) 回水管(Return Water Pipe) 蒸汽管(Steam Pipe) 送风机(Supply Air Fan) 格栅式送风口(Supply Air Grille) 送风开口(Supply Air Opening) 格栅式送风口附风...
The design and lectotype of circulating pump, automatic returnwater 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
Analysis the minimum protection potential value on heat-supply pipeline imposing cathodic protection, determine the pattern of water supply and returnpipe imposing cathodic protection.
分析供热管道施加阴极保护的最小保护电位值，确定供、回水管同时施加阴极保护的方式。
3
Bottom valve is a energy saving valve, usually installed in the straw at the bottom of the underwater pump. Limit the liquid returnpipewater pump, plays not only into the function.