查询词典 pressure valve

Before assembling the ball valve seat sealing surface and be equipped with decent research, and then placed in the closed position the sphere, the installation of left valve, adjusting the gasket, tighten the screws, static pressure irrigation does not leak, this valve can be guaranteed under the seal test seal.

装配前阀座密封面与球体面应配研，然后将球体置于关闭位置，安装左阀体，调整垫片，拧紧螺钉，静压灌水不漏，则此阀在密封试验下即可保证密封。

Close discharge valve, the need to open and close with the Coma Berenices two pieces formed between the sealing suce sealing certain specific pressure, while also overcoming the stem and the packing between the stem and the nut thread between the stem end Department and other friction parts bearing friction, and must exert a certain degree of closing force and closing moments, PUMP CONTROL VALVE EN700X the valve in the open and close the process, the required hoisting hoisting force and torque is the change, Its maximum is in the closed or open end of the initial transient instantaneous.

关闭放料阀门时，需要使启闭件与发座两密封面间形成一定的密封比压，同时还要克服阀杆与填料之间、阀杆与螺母的螺纹之间、阀杆端部支承处及其他磨擦部位的摩擦力，因而必须施加一定的关闭力和关闭力矩，阀门在启闭过程中，所需要的启闭力和启闭力矩是变化的，其最大值是在关闭的最终瞬时或开启的最初瞬时。

Acquired Tianjin Construction Machinery Ltd. of natural gas transmission pipeline hydraulic equipment production line project of the country are supporting equipment; Cixi Burgmann Sealing Materials Company W-type high temperature and high pressure spiral wound gasket has been successfully used to HYDROCRACKER up; Dalian Hydraulic Parts Plant Factory and Shanxi Changzhi Hydraulic steering vane pump, are of medium and heavy motor vehicle steering system of the key components, the current annual output of both plants has reached more than 10 million units; Qingdao Kipper sealed the company's new portfolio of large-scale bi-directional sealing and anti-water oil seal are respectively 9 tons FAW Jiefang trucks and tractor trailers 1 matching seals; addition Tianjin Co., Ltd. special precision hydraulic hydrostatic transmission devices and many way valve, Huzhou Miguel pieces of the company's multi-function hydraulic slide-valve, Weihai, a combination of pneumatic components调压阀the air relief valve, Guizhou Feng Yang's hydraulic pump stations and hydraulic valves, such as shift , are well received by users.

天津市精研工程机械传动有限公司的天然气输送管道生产线液压设备是国家西气东输工程的配套设备；慈溪博格曼密封材料公司的高温高压W型缠绕垫片，现已成功地用于加氢裂化装置上；大连液压件厂和山西长治液压件厂的转向叶片泵，是中、重型汽车转向系统中的关键部件，目前两个厂的年产量已达10万台以上；青岛基珀密封公司的新型组合双向密封和大型防泥水油封是分别为一汽解放牌9吨车和一拖拖拉机配套的密封件；此外天津特精液压股份有限公司的静液压传动装置和多路阀、湖州生力液压件公司的多功能滑阀、威海气动元件公司的组合调压阀的空气减压阀、贵州枫阳液压公司的液压泵站和液压换挡阀等，都深受用户的好评。

The working pressure of overfall valve is too low (although oil-pipe is calefactive, cylinder does not work ) or the taper valve with dislocation and mechanism dust in plane of taper valve

溢流阀工作压力太低（尽管油管升温，但油缸不工作）；或锥阀脱位；锥阀阀面粘有机械杂质

The total and of the pitot tube were measured when the opening of the regulating valve was changed with keeping the flowrate fixed as well as unchanged the opening of the regulating valve with invariable flowrate. Then, the dynamic pressure signals were analysed with the method of PSD after computed and normalized and a better result of frequency-domain distribution was obtained. In addition, the average energy was defined and used for the analyzing of disturbance signals of regulation valve.

首先利用皮托管对相同流量不同开度及相同开度不同流量下的总压及静压信号进行测量，然后经过计算得到动压信号并进行归一化处理；其次，对归一化处理后的动压信号进行功率谱分析，取得了较好的频域分布结果；同时定义了信号的平均能量，并将其应用到了调节阀扰动信号的分析中。

When the piston in the cylinder-side movement from left to right, the left cylinder cavity as a result of increasing the volume of the left cavity space constant pressure to reduce, when the space left inside the pressure chamber below the pump pressure containers, according to the principle of balance of gas pressure and was pumping the gas container valve 5 after smoke was continuously pumped into the left cavity, at this time is in the process of breathing.

当活塞在气缸内从左端向右端运动时，由于气缸的左腔体积不断增大，左腔空间的压强不断的降低，当左腔空间内的压强低于被抽容器内的压强，根据气体压强平衡的原理，被抽容器内的气体经过吸气阀5不断地被抽进左腔，此时正处于吸气过程。

This structure effectively compensate for tolerance between the sleeve and the valve body and valve stem in the medium with the elastic deformation under pressure to solve the two-way valve in the transmission medium interchangeable sealing problems existing in the process.

这种结构有效地补偿了轴套与阀体之间的公差带及阀杆在介质压力下的弹性变形，解决了阀门在双向互换的介质输送过程中存在的密封问题。

The main products include: thermostat, electric valves, electric control valve, pressure control valves, variable air volume control box, three-speed switch, valve, heating valve, hoses and so on.

生产产品主要包括：温控器、电动阀、电动调节阀、压差控制阀、变风量控制箱、三速开关、风阀、暖气温控阀、软管等等。

It is equipped with asphalt return tube, anti-puffing pressure vent valve, anti-aging overhead nitrogen valve, thermometer, volumeter and output asphalt rapid discharge valve and coupling.

配备沥青溢流管、防冒液呼吸阀、防老化顶置充氮阀、温度计、容量计和输出沥青的快速卸料阀及接耦。

Page28of74 1026 中英版 2002 a Five times the pressure corresponding to the maximum setting of a pressure-reducing valve provided as part of the assembly, but no more than five times the marked maximum supply pressure from an external source and no more than five times the pressure setting of a pressure-relief device provided as part of the assembly.

作为装配件的减压阀的最高压力的5倍，不超过外部供应源最高压力的5倍，并且也不超过作为装配件的御压阀的压力的5倍。

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。