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1·Install a shutoff valve in the cold water inlet.

在冷水进水管上安装一个关断阀。

2·Close the shutoff valve upstream of the regulator.

关闭调节阀上游的关断阀。

3·Install a shutoff valve upstream of the regulator.

在调节阀上游安装一个关断阀。

4·Close shutoff valve No. 2 then shut off valve No. 1 on test assembly.

关闭2号关闭阀，然后关闭测试总成上的1号阀门。

5·To fill the system, open the shutoff valve upstream of the regulator.

如果要给系统进水，请打开调节阀上游的关断阀。

6·Slightly open shutoff valve No. 1 and allow water to fill the tube to the top then close No. 1 shutoff.

稍微开启关闭阀1号，将水注入管子直到顶部为止，然后关闭1号关闭阀。

7·Petroleum machinery equipment, gas-oil separation pump, vane pump, gas-oil separator, automatic nozzle, emergency shutoff valve.

石油机械设备，油气分离泵，叶片泵，油气分离器，自动喷嘴，紧急切断阀。

8·Prior to servicing any Watts valve, it is mandatory to shut down the water system by closing both the inlet and outlet shutoff valves.

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。

9·By this, force acting in the direction of closing a valve body (41) ACTS on it through the diaphragm (42), maintaining the shutoff valve (40) closed.

从而经由隔膜(42)对阀体(41)在关闭的方向上施力，维持断流阀(40)关闭的状态。

10·NOTE: For Australia and New Zealand, Pipeline strainers should be installed between the upstream shutoff valve and the inlet of the backflow preventer.

注意：适用于澳大利亚和新西兰：管路过滤器应该安装在上游关闭阀和防回流阀进口之间。