A check valve is a mechanical valve that only permits water flow in one direction.
检查阀(单向阀)是一个手动阀门，这样水只能往一个方向走。
This positions the relief valve below the first check valve, enabling the zone to drain through the relief valve outlet.
在这种位置，安全阀位于第一止回阀下面，使得这个区能够通过安全阀出口排放。
Lift check valve with a spring load can withstand light valve flap, flap valve lift is not high.
升降式止回阀使用一个可承受弹簧载荷的轻量阀瓣，阀瓣的升程不高。
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。
Check valve and relief valve on the output of the gear pump tube had better install a check valve.
止回阀与安全阀在齿轮泵的输出管路上最好安装一个止回阀。
A check valve should be installed on return piping if there will be a pressurized return line or the trap drains to an overhead return line (Fig. B).
如果存在一个压力回路，或者疏水阀排放口位于回路管道的上方，则应该安装一个止回阀(图b)。
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。
Control supply line water pressure. install a soft seated spring loaded check valve upstream of the assembly.
控制供应管道的水压。在总成的上游安装一个软阀座，弹簧负载止回阀。
Each check valve shall be both center and edge-guided to ensure repeatable seating and minimize localized wear.
每个止回阀应该都配置中心和边缘引导，确保可更换阀座密封和最小的局部磨损。
Premature wear and noisy operation or vibration of the moving parts can be avoided by selecting the size of check valve on the basis of flow conditions.
为了避免出现运动部件的过早磨损、噪音或振动运行，就要根据流体状态选择止回阀的通径。
This allows our swing check valve to close completely even when installed in a horizontal pipe run with no flow.
这使得我们的旋启式止回阀无论安装在水平管道还是垂直管道上，都能够实现完全的关闭。
Lastly, it seems that many dealers forget to install the check valve in the air assist line.
最后，它似乎那个很多经销商忘记安装阀门在空中帮助的检查线。
检查逆止阀的弹簧。
Series 719 Double Check Valve Assembly shall be installed at each noted location.
系列719双止回阀总成应该安装在每个标注的位置上。
The TK-DL can test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies.
TK - DL可以检测压力真空断路阀，减压防回流阀或双止回阀总成。
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。
Designed to test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies, allowing you to eliminate both pressure and differential test gauges.
适用于检测压力真空断路阀，减压防回流阀或双止回阀总成，不再需要压力表和压差表。
It should be noted that the outlet check valve cannot be installed backwards or stuck.
应当注意，出口止回阀不能装反或出现卡死现象。
The role of the check valve to prevent water backflow, with the film door, also do not need a check valve.
逆止阀的作用是防止水倒流，有了拍门后，也就不需要逆止阀了。
To test for tightness of second check Valve.
检测第二止回阀的密封性。
It differs from a float shoe in that it lacks a check valve.
引鞋与浮鞋的不同之处在于引鞋没有节流阀。
It should be noted that exports can not check valve or a card with the anti-death phenomenon.
应当注意，出口止回阀不能装反或出现卡死现象。
You should also install the check valve as far from the pump as possible and at a minimum length of 5 times the pipe diameter.
止回阀应该安装在离泵尽可能远，或至少5倍管道直径的的位置。
Check valve and butterfly valve combinations are very popular; normally a short spool piece is required between the valves.
止回阀与蝶阀的连接是经常发生的事，通常需要在这两种阀门之间加上一节短短的阀槽。
To introduce the structure, performance and design of the differential stop check valve.
介绍了差压式截止止回阀的结构、性能和设计要点。
Check them Safety Valves belonging to this type of valve, which includes Swing check valve and lift check valve.
其中止回阀就属于这种类型的阀门，它包括旋启式止回阀和升降式止回阀。
Connect vacuum hose to booster check valve.
连接真空软管到增压器检测阀。
Connect vacuum hose to booster check valve.
连接真空软管到增压器检测阀。
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