英语释义

1. a valve that permits flow in one direction only

片语

check-valve ball止回阀球

swing valve止回阀，回转阀

check-valve clamp止回阀夹

back pressure valve止回阀，[机] 背压阀

check-valve pump止回阀配流泵

check relief valve单向安全阀

check-valve nozzle止回阀喷嘴

check-valve lever止回阀桿

check-valve obstruction止回阀阻塞

check-valve plunger止回阀柱塞

英汉例句

• when more than one boiler is connected to the main steam header, a stop check valve should be installed in the pipeline between each boiler and the header.

  如果连接主蒸汽热水器的锅炉不止一个，则在每个锅炉与热水器之间的管路上都应该安装一个截止止回阀。

• chapter 4 non-return valve , check valve can be divided into its system, check valve design and valve types.

  第4章为止回阀，主要分为止回阀及其系统、止回阀设计和止回阀类型等。

• 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。

• 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。

• the check valve modules can now be removed from the valve by hand or with a screwdriver.

  现在通过手或螺丝刀可以将止回阀模块从阀门上拆卸下来。

• 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。

• 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。

• 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。

• 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。

• a tapered, often bullet-nosed device fitted with a check valve and typically found at the bottom of a casing string.

  一种装配有节流阀的锥型的，通常是圆头引导型的装置，典型地位于套管柱的最下端。

• this paper briefly introduces the damage of check valve of the hp liquid ammonia pump in the urea plant, and put forward the solution.

  介绍了尿素装置高压液氨泵出口止回阀的损坏情况，并提出了解决办法。

• 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。

• 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）。

• 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。

• 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。

• 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。

• 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。

• double check valve assembly shall be installed at referenced cross-connections to prevent the backflow of polluted water into the potable water supply.

  在相关的交叉连接处应该安装一个双止回阀总成，以防止受到污染的水回流到饮用水系统中。

• non-return valve which belongs to this type of valve , which includes swing check valve check valve and the take-off and landing.

  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。

• 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。

• 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。