安装在阀门内的止回模块其阀座应该面对阀门进口。
Check modules are installed in the valve body with the seats facing the valve inlet.
在维修任何美国瓦茨阀门之前，必须先通过关闭进口和出口关闭阀来实现水系统的关闭。
Prior to servicing any Watts valve, it is mandatory to shut down the water system by closing both the inlet and outlet shutoff valves.
另外有3—5万台进口的阀门电动装置电气控制部分存在有不同的问题需要解决。
Another 3-5 million imported electric control valve electric device part of the many different problems to be resolved.
应用推荐