查询词典 switch valve

The overflow valve and pressure switch have been set and sealed at the factory.

溢出阀门和压力开关在工厂就设置了并被密封。

In such cases only the use of steam or hot water heating to switch the valve packing.

遇到这种情况只有采用蒸汽或热水加热填料才能开关阀门。

To prevent the power supply connected to a wrong direction, the user first powered on, first open the manual to semi-open position, check the instructions at the plate by electric switch direction and consistent with the direction the Check Valves valve can be closed.

为防止电源接通是方向搞错，用户在第一次接通电源后，先启开手动至半开位置，在按电动开关检查气动蝶阀指示盘方向与阀门闭方向一致即可。

Electric hydraulic valve is equipped with type DYT electric hydraulic draw stem; it pushes the rocker to drive axle and plate and switch flow direction of medium and meets the requirement of working conditions.

电液动三，四通溜子，配用 DYT 型电液推杆，推动摇杆带动阀轴，分料板即可完成介质流向的切换，满足工况的需要。

This measuring and controlling board collects measured signal; then analyses and calculates; Finally, controls electric machinery, pump, electromagnetism valve and liquid level switch and so on to realize the invariableness of the concentration of lye.

测控板采集测量信号，并且进行分析计算，然后对电机、蠕动泵、电磁阀、液位开关等进行控制来达到保持碱浓度恒定的目的。

Results indicate:(1) The newly developed simulation technology can form fairly average and easily controllable back pressure downstream the inlet, so it can he used to investigate the back pressure characteristics of hypersonic inlets.(2) By regulating the valve of injection pipe, the simulation technology can realize the switch of hypersonic inlet started state and unstarted state in about 8 milliseconds, so it is suitable to investigate the starting/unstarting/resarting problem of hypersonic inlets.

结果表明：(1)所提出的凹腔喷流技术可在进气道下游形成较为均匀的、可控的背压环境，因此可用于进气道的反压特性研究；(2)适当调节凹腔的喷流总压，并在实验中实时控制阀门的开度，凹腔喷流技术能够在较短的风洞实验时间内（约8s）实现进气道起动、不起动、再起动流态之间的切换，因此可用于进气道的不起动／再起动特性研究。

To obtain frequency is mixed take the intermittent breath with sky adjustable comparing, put forward a kind to be based on gas to accuse reversal valve switch from oscillation loop, accuse throttle of series connection of mouth of forerunner of a powerful person through be being enraged, tone sheds a powerful person to leave successively degree, and control aerates to forerunner mouth time, control gas to charge the reversal time of a powerful person then, produce different frequency and the intermittent breath that take sky comparing.

为获得频率和占空比可调的间歇气流，提出了一种基于气控换向阀切换的自振荡回路，通过在气控阀先导口串联节流阀，调节节流阀开度，而控制向先导口充气时间，进而控制气控阀的换向时间，产生不同频率和占空比的间歇气流。

Diaphragm control valve with the steam temperature switch, play blocking air drainage.

膜盒随蒸汽温度变化控制阀门开关，起到阻汽排水作用。

Lever Ball Float Steam Traps: Lever Ball Float Steam Traps basic characteristics of the same type of free float, the internal structure is connected float lever driven spool, with the condensation of water level to switch the valve lift.

杠杆浮球式疏水阀：杠杆浮球式疏水阀基本特点与自由浮球式相同，内部结构是浮球连接杠杆带动阀芯，随凝结水的液位升降进行开关阀门。

This thesis focuses on the control scheme and dominated ideas of the painting automatic control system. The system adopted inductance near-switch and digital plate to check the location and shape of steel and based on S7-200PLC to control the call-off of a electronic- controlled valve, thus achieving automatic painting.

本文的重点在于喷漆控制系统的控制方案与思路，系统采用电感式接近开关和数码盘来检测钢板的位置和形状，以S7-200PLC为核心对电控阀进行通断控制，从而实现自动喷漆。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。