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。
The gas source is delivered to the valve; the gas is atmospheric gas or reactive gas and is controlled by the controller.
该气体源传送气体给该阀，该气体为大气气体或反应气体而且受控于该控制器。
Working principle: when the internal piping and tank vacuum, atmospheric pressure will be the valve cover, air enters the system, balance the system pressure, eliminate the effect of vacuum.
工作原理：当管道和水箱内部形成真空时，大气压便会顶开阀盖，大气进入系统内部，平衡系统压力，消除真空影响。
The valve has been adjusted and the tests under atmospheric pressure and vacuum has been measured, calculated and experimental results are presented and analyzed.
分别在大气和真空条件下对快速阀进行了调试和测量，并对计算和实验结果进行了分析。
Principles and types of mechanical atmospheric tank valve are introduced. Causes for common troubles are analyzed. Measures to use mechanical atmospheric valve safely are presented.
介绍轻油罐机械呼吸阀的作用、工作原理和分类，分析了机械呼吸阀常见事故的原因，对机械呼吸阀的安全合理使用提出了具体措施。
Through analysis to caustic scribing tower, the difference of structural design of floating valve tower for atmospheric and pressurized conditions is clearly described.
通过对碱洗塔分析，指出常、加压浮阀塔结构设计的不同。
Through analysis to caustic scribing tower, the difference of structural design of floating valve tower for atmospheric and pressurized conditions is clearly described.
通过对碱洗塔分析，指出常、加压浮阀塔结构设计的不同。
应用推荐