Should be fully open before the start of suction and discharge pipe valves, non-closing valve started.
启动前应全开吸入和排出管路中的阀门，严禁闭阀启动。
Should be fully open before the start of the suction and discharge pipe valves, non-closing valve to start.
启动前应全开吸入和排出管路中的阀门，严禁闭阀启动。
Valve, closing valves, check valves, butterfly valves, hydraulic control valves and valve of 304,306 materials.
闸阀、截止阀、止回阀、蝶阀、水力控制阀以及304、306材质的各种阀门。
A beam-line vacuum interlock protecting system consists of fast-closing valve, gate valves, sensors and control system.
光束线真空联锁保护系统主要由快阀、门阀、压力传感器(真空规)和控制系统等组成。
The pump is removable from the frame, and has a self closing valve to block leakage from the tank (140) when removed from the frame.
贮罐（140）可以框架中取下，并具有自闭阀，以便在贮罐从框 架上取下时阻止贮罐（140）泄漏。
Disclosed is a cover member for the operation part of a closing valve or the opening part of a branch joint of a refrigerating apparatus.
本发明涉及一种冷冻装置的闭锁阀的操作部或分支管的开口部所用的盖部件。
The pressurization of the servocontrol involves the opening of the pressure-line closing valve (2) and of the return-line closing valve (3).
进行压力伺服控制的正常过程包括，打开压力管路关闭活门和回油管路关闭活门。
The water hammers due to closing valve or stopping pump in the UF system was analyzed. The corresponding preventive measures are put forward.
并引起很高的水锤压力，造成管道及膜元件损坏。分析了超滤系统出现关阀水锤及停泵水锤的成因，提出相应的防护措施。
Rotate the emergency closing valve positive and negative continuously twice so as to solve the safety problem, it is easy to operate, faster and non-slam.
采用该应 急阀，只须连续正反两次转动即可解决安全问题，操作简单、快捷、无撞击。
Device-to-device communication also assists with decisions made within the enterprise to affect changes at the remote location (opening or closing a valve or stopping an appliance, for example).
设备间通信还有助于企业内部作出决策来影响远程位置的更改(如打开或关闭阀门或停止设备运行)。
They attributed it to a valve closing, not unlike other occasional noises in a power plant.
他们当时认为那是阀门发出的声音，电站里偶尔会有这样的响声，没啥不对劲的。
Valve Disadvantages: Although the improvements to this generation of valves eliminate the more serious problems of damage from abusive closing, they are not totally immune to abuse.
阀门的缺点：尽管对这一代阀门的改进排除了由于粗暴关闭造成的损害问题中比较严重的问题，但它们还不能完全防止机械损伤。
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。
Open needle valve "b" and vent or bypass needle valve, bleeding to atmosphere, then closing needle valve "b" restores the system to a normal static condition.
开启针形阀“B”和排气或旁路针形阀，排放到大气中，然后关闭针形阀“B”，将系统恢复到正常的静止状态。
The flat bottom gate provides full perimeter seating against the seat, eliminating pocket in the bottom of the seat that can trap process media and prevent the valve from fully closing.
平坦的闸板底部与阀座之间能够实现全周长阀座密封，避免阀座出现可能淤积流体介质、妨碍阀门完全关闭的底部洞隙。
Rapid closing of the valve is accomplished fitting a heavy spring.
安装一根粗弹簧就可以达到迅速关闭阀门的目的。
Where possible, leave the wrench on the valve so a quick closing of the valve can be made in the event of an emergency.
在可能的地方，把扳手留在阀门上，以便在紧急情况下可以迅速的关闭阀门。
Recommended Closing Procedure: Close the cylinder valve tightly using a gloved hand. Always wearing gloves when operating cylinder valves. NEVER use wrenches or other persuaders to operate the valve.
推荐的关闭程序：用戴手套的手紧紧地关闭阀门。推荐操作钢瓶阀门时总是戴手套。禁止用扳手或其它强制性的工具来操作阀门。
The valve effectively seals at higher pressures with less closing torque than the wrench-operated design.
同扳手型设计相比，这种阀门可以在更高的压力下使用更小的转矩有效地密封。
AW pneumatic actuator used, make sure the valve opens, closing torque, and then do the valve using a fluid medium, added security value.
选用AW气动执行器时，先确定阀门启、闭的扭矩，再根本阀门使用的流体介质，增加安全值。
Speed control Valves are available for controlling valve opening or closing speed with pneumatic actuators.
速度控制阀可以用来控制阀门气动执行器的开启或关闭速度。
By using the dynamic mesh model in CFD software to calculate the pipe valve closing, use the characteristic method and the experiment to compare with the same model.
运用计算流体动力学(CFD)的动网格技术对管道中的阀门关闭进行了动态模拟，针对同一模型，并与特征线法及试验进行了比较。
Stroke control mechanism for the regulation and precise control of valve opening and closing position.
行程控制机构，用以调节和准确控制阀门的启闭位置。
Pneumatic valve and plug valve of a type is the same, only it's shut down parts of a sphere, the sphere rotates around the body center line to achieve the opening and closing a valve.
气动球阀和旋塞阀是同属一个类型的阀门，只有它的关闭件是个球体，球体绕阀体中心线作旋转来达到开启、关闭的一种阀门。
Valve typically used for opening and closing applications, not recommended for throttling applications.
闸阀通常用于启闭应用场合，不建议用于节流应用。
It features a primary check valve utilizing a rubber disc seating against a mating rubber part to ensure tight closing.
其特点在于第一止回阀采用一个橡胶阀瓣密合在相配的橡胶部件上，确保紧密的关闭。
The space above the piston is now sealed due to the inlet valve closing and the exhaust valve having already closed.
由于进气门关闭、排气门也已关闭，现在活塞上部的空间被密封了。
Gate keeps closely movement with gate when opening and closing, makes valve open and close stability and cuts off the media, and so on.
在关闭和开启过程中阀座跟闸板一直紧贴运动，使得阀门启闭力稳定，并且具有切断介质等特点。
The control unit (4) controls the flow (11) of material by opening and closing solenoid valve (6).
控制单元 （4）通过打开和关闭电磁阀（6）来控制物料流（11）。
The control unit (4) controls the flow (11) of material by opening and closing solenoid valve (6).
控制单元 （4）通过打开和关闭电磁阀（6）来控制物料流（11）。
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