Principles and types of mechanical atmospheric tank valve are introduced. Causes for common troubles are analyzed. Measures to use mechanical atmosphericvalve safely are presented.
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。
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The gas source is delivered to the valve; the gas is atmospheric gas or reactive gas and is controlled by the controller.