Export pump with check valve, it will immediately turn off to prevent reverse flow back high-pressure water pump.
水泵出口装有逆止阀时，它会立即关闭，防止高压水反向流回水泵。
Use a pressure reducing regulator or separate control valve to safely discharge gas from cylinders. Use a check valve to prevent reverse flow into the cylinder.
使用减压调整器或单个的控制阀来安全地从钢瓶中排出气体。采用止回阀，防止回流入钢瓶。
Purpose: To test check valve No. 2 for tightness against reverse flow.
目的：检测止回阀2号对于回流的密封性。
Series 709 Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering into the potable water system.
系列709双止回阀总成适用于防止受到污染的水回流进入到饮用水系统中。
Check valve before the valve is to use the pressure after poor hoist the automatic valve, it is the role of the media flows only in one direction, reverse and stop its flow.
止回阀是利用阀前阀后的压力差而自动启闭的阀门，它的作用是使介质只做一个方向的流动，而阻止其逆向流动。
The ALC? is an in-line, spring assisted, single guided "wafer" check valve designed to prevent "water hammer" and "reverse" flow.
同轴、管内螺纹弹簧单导对夹式止回阀，专门用于防止水击作用和倒流现象。
Never reverse flow through a regulator or rely upon it to act AS a check valve. It will not perform this function.
禁止通过调整器倒流或依靠它作为止回阀。它不允许执行这个功能。
Use a check valve to prevent reverse flow into the cylinder.
采用止回阀，防止回流入钢瓶。
The check valve plays an important role to prevent the reverse flow in high pressure system.
止回阀在高压系统中起着关键的防逆流作用。
On gas withdrawal systems, use a check valve or other protective apparatus in any line or piping from the container to prevent reverse flow.
对于气体排出系统，使用止回阀或其它保护性装置以防止回流。
Never reverse flow through a regulator or rely upon it to act as a check valve.
禁止通过调整器倒流或依靠它作为止回阀。
Never reverse flow through a regulator or rely upon it to act as a check valve.
禁止通过调整器倒流或依靠它作为止回阀。
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