这里是一个近距离的一个单向阀前粘合。
阀前始终有凝结水，形成水封，无蒸汽泄漏。
There is always frozen water in front of the trap forming water block to avoid steam leaking.
水力控制阀前要安装过滤器，并应便于排污的要求。
Hydraulic control valve to be installed before the filter, and should facilitate the discharge requirements.
杂质如果介质中含有杂质，阀前应用过滤器。杂质是引起故。
Impurities a filter should be installed before the valve if the medium contains impurities. Impurities are the most common cause of valve failure.
待压力稳定后，缓慢打开蒸汽调压阀前阀，蒸汽调压阀后阀。
Open the fore and rare valves of steam pressure regulating valve slowly after pressure is stabilized;
工作压差是指水力控制阀前的工作压力减去水力控制阀出口背压的差值。
Working pressure is the hydraulic pressure control valve before the working hydraulic control valve back pressure minus the difference.
根据流向不同，平衡阀芯所受的压力可以是阀前压力，也可以是阀后压力。
According to flow in a different, balanced spool valve the pressure can be pre-pressure, can also be a back pressure valve.
应该如图所示在防回流阀前安装一个过滤器，防止阀瓣出现不必要的污垢。
A strainer should be installed as shown, ahead of backflow preventers to prevent discs from unnecessary fouling.
遇此情况堵塞，最好在阀前管道上安装一个过滤器，以保证介质顺利通过。
In this case the plug, it is best to install a valve before the filter pipe to ensure smooth passage of medium.
实验结果表明，缓冲罐的使用对减压阀前、后压力均能起到很好的稳定作用。
The results of experiments indicated that the usage of buffer tank had good steady effects on the pressure in both sides of the reducing valve.
分析了制冷剂在节流阀前不出现闪发的条件下，多联机作用半径的理论极大值。
Analyses and finds the maximum theoretical action radius under the condition of no flash vaporization upper stream side of the throttle.
膜盒式蒸汽疏水阀的反应非常灵敏，工作时阀前存有高温凝结水，无蒸汽泄漏，节能效果显著。
As they are sensitive with high-temperature condensate deposits in front of valves while operating, they boast of remarkable energy-saving effect with no steam leakage.
该球阀阀前、阀后阀座都能密封，即所谓双向密封特性，利用自带的排放阀，阀体中腔可向外排放。
The ball valve before the valve can be closed after the valve seat, the so-called two-way sealing characteristics, the use of built-in discharge valve, the valve body cavity may be out emissions.
建议在防回流阀前安装一个过滤器，防止止回阀受到污染和阀门在再增压期间出现泄漏或溢出。
The installation of a strainer ahead of the backflow preventer is recommended to prevent fouling of the check assembly and resultant spillage from the valve during repressurizing.
根据黑箱理论提出将阀前压力、阀前过冷度、阀后压力和膨胀阀流通面积作为膨胀阀流量系数的影响参数。
By applying black box theory inlet pressure, inlet subcooling, outlet pressure and valve opening are selected as influence factors to flow coefficient of electronic expansion valve (EEV).
在给水调节阀前、可分式省煤器出口、过热器出口、过热器出口与主汽阀之间，再热气进出口、都应装设压力表。
In front of the feed water regulator, split, economizer, superheater export, between superheater outlet and main steam valve, to heat the import and export, all should be installed pressure gauge.
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。
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.
运用正交试验设计方法在田间进行灌水试验，结果表明：波涌阀前调节阀入口压力是影响波涌阀阀片转换的主导因素；
The main factor was the entrance pressure of the regulating valve before surge valve to influence the conversion of valve slice of surge valve.
本论文所述系统的加载方法是在比例溢流阀前装一个节流阀，利用节流阀来阻止溢流阀产生的压力冲击对传感器及仪表的影响。
The load method of the system is that installing a throttle ahead of a proportional overflow valve, and the throttle can prevent the effect of the pressure impulsion upon sensors and meters.
他拿起一个榔头，在右侧挡泥板前弯下身，轻轻敲了两下废气循环阀。
He picked up a ball-peen hammer, leaned on the passenger-side fender, and tapped twice on the EGR valve.
应该安装一个测试和压力安全阀，确保内部压力能够在维修前得到释放，并作为疏水阀工作的直观显示。
A test and pressure relief valve should be installed to assure relief of internal pressure prior to servicing and as a visual indication of trap operation.
在开始检测前，检测组件上的所有针形阀都必须关闭。
Before starting test, all needle valves on test kit must be closed.
压力控制系统包括一个外流阀、前外流阀、压力控制器、控制面板、压力传感器和监视器。
The pressure control system consists of an aft outflow valve, forward outflow valve, pressure controller, control panel, pressure sensing inputs, and monitoring indicators.
管路上的各种阀门在安装前要拆开清洗，检查阀柄是否灵活，并经试压不漏后方可安装。
Take apart all valves along the pipeline for washing before installation, check whether valve handles are flexible. The valves can be installed after passing the pressure test.
顺时针转动前单向节流阀手柄，气缸前行速度放慢，装料速度也放慢。
When the level of the front one-way throttle valve is turned clockwise, the forward traveling speed of the cylinder and charging speed slow down.
逆时针转动前单向节流阀手柄，气缸前行速度加快，装料速度也加快。
When the level of the front one-way throttle valve is turned counterclockwise, the forward traveling speed of the cylinder and charging speed increase.
单缸前支前幅，重力下降，能耗低，进口平衡阀。
Single cylinder with imported balance valve for front support elevation hoist down by gravity low energy consumption.
其控制装置由加工工具、能量传感器、温度传感器、加法器、调节阀、低温液体发生器以及前馈控制器和反馈控制器组成。
Its control device is comprised of processing tool, energy sensor, temp. sensor, addition apparatus, regulating valve, low temp. liquid generator, and forward feed and feedback controllers.
其控制装置由加工工具、能量传感器、温度传感器、加法器、调节阀、低温液体发生器以及前馈控制器和反馈控制器组成。
Its control device is comprised of processing tool, energy sensor, temp. sensor, addition apparatus, regulating valve, low temp. liquid generator, and forward feed and feedback controllers.
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