Cooperated with RD safety circulating valve, it can entirely take the place of APR-M2 tool with the character of accurate sampling, reducing construction period, simple and safe sampling etc.
与RD安全循环阀配合使用，完全可以替代APR-M_2工具，具有取样准确、缩短施工工期，取样过程简单、安全等特点。
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。
In the hot water system a high water tank with solenoid valve controlled water feeder is used to replace the secondary circulating pump.
热水系统中，采用电磁阀根据水箱液位进行补水，省去二次循环泵。
And a by-pass pipe with check valve is set between the inlet and outlet of circulating pump.
在循环泵进出口之间设置带止回阀的旁通管。
It is composed of the circulating water 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。
This paper studies the influence of converter transformer D-bridge zero sequence circulating current on valve short circuit protection.
笔者研究了换流阀三角形侧零序环流对阀短路保护误动作的影响。
This paper analyzed the principle and function of the multi-purpose hydraulic control valve in the circulating-water system of BF and its application and effect was introduced.
分析总结了多功能水力（泵）控制阀的工作原理和功能，详细阐述了其在江西新余钢铁有限责任公司第一动力厂高炉循环水系统中的使用情况和应用效果。
The operation of J valve is very convenience, which is usually used in circulating fluidized bed boilers.
型阀运行简单，在循环流化床锅炉得到应用。
The circulating water heater consists of frame, electronic heater, temperature sensor, flow channel switch, valve, heating controller and other parts.
循环水加热器通常由机身、电子加热器、测温感应器、流路开关装置、出水阀、加热系统控制器等构成。
The circulating pump is communicated with the two anode chambers respectively through two pipelines each of which is provided with a valve.
循环泵通过各设有阀门的两管道与电解槽的 两个阳极室连接。
The lower end of the vacuum filter is communicated with a circulating pump through a pipeline which is provided with a tapping valve.
真空过滤器的下端通过设有排液阀的管道与一循环泵连接。
The lower end of the vacuum filter is communicated with a circulating pump through a pipeline which is provided with a tapping valve.
真空过滤器的下端通过设有排液阀的管道与一循环泵连接。
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