1) CCI pressure reducing valve
CCI减压阀
1.
There are two common categories of threats to the CCI pressure reducing valves which are manufactured in the USA.
CCI减压阀在中石化华南管网茂昆线输油站工作过程中存在的主要问题有两个:部分减压阀阀笼易堵塞;部分减压阀过早出现阀内件被严重冲蚀和汽蚀损坏的现象。
2) pressure reducing valve spool
减压阀滑阀
4) Pressure relief valve
减压阀
1.
The effect of new automatic filter and pressure relief valve are intr.
介绍自动滤水器及减压阀在丹江口水电厂的应用效果。
2.
It can simplify the fire supply system of highrise building by applying pressure relief valve to vertical compartment.
采用减压阀对高层建筑物的消防给水系统进行竖向分区 ,可以简化系统。
3.
First, a mathematical model of the pressure relief valve is built, and then curves of the throttle area ratio of the pilot valve vs the pressure of the pilot valve cavity as well as its temperature are obtained by simulation, and the critical area ratio of the 2nd and 3rd grade air source is found to be 1.
针对自主研制的高压气动比例减压阀出现的结冰问题,结合数学仿真和流场计算进行了深入分析。
5) pressure reducing valve
减压阀
1.
Improving on the structure of pressure reducing valves used for oxygen collecting bar;
氧气汇流排用减压阀结构改进
2.
Simulation on reverse balanced pneumatic pressure reducing valve dynamic characteristic;
逆向卸荷式气体减压阀的动态特性仿真
6) relief valve
减压阀
1.
And the relief valve, pressure maintaining valve with gas tank are adopted in auto water-spraying system and the advantages of adopting gasoloid extinguishant in main outfire system are explained.
同时 ,介绍了自动喷水系统采用减压阀、稳压泵带气压罐和主体灭火系统采用EBM气熔胶灭火剂的优点。
2.
Through hydraulic analog experiment, the paper deals with the problem of substituting a turbine for a relief valve in a certain technical water supply system of a high head hydropower unit in Southwest China.
利用水力模拟试验，研究了西南某高水头水电站机组技术供水系统用水轮机代替减压阀的问题。
补充资料：减压阀
利用节流原理将流体的进口压力减低并自动保持在某一需要的出口压力的调节阀。减压阀主要用于供汽、供气、供水和供油等系统。如氧气瓶内氧气因压力较高不能直接使用，需要装设减压阀才能使用。减压阀有多种结构型式。常用的有薄膜式和活塞式两类。薄膜式有带副阀(先导阀)的和不带副阀的两种，活塞式一般都带有副阀。图为带副阀的减压阀。拧动调节螺钉顶开副阀瓣，流体进入大膜片下方（或活塞上方），因大膜片（或活塞）面积比主阀瓣大，受力后向上（或向下）移动使主阀瓣开启，流体通过出口也同时进入小膜片（或膜片）下方，于是出口压力逐渐升至所要求的数值。这时流体作用于小膜片上的总力与调节弹簧的弹力相平衡，阀瓣位置保持不变。如出口压力增高，因小膜片（或膜片）下方的力大于调节弹簧的弹力，小膜片（或膜片）即向上移动，副阀瓣随之向关闭方向运动,使进入大膜片下方（或活塞上方）的流体减少,压力也随之下降,于是主阀瓣开度减小,出口压力也随之下降而达到新的平衡。反之，出口压力下降时，主阀瓣开度增大，出口压力又上升。这样，出口压力即自动地保持在规定范围之内。薄膜式减压阀一般适用于温度不高的场合,它的运动部件的摩擦力比活塞式的小,所以灵敏度较高。与此相反，活塞式减压阀的灵敏度低于薄膜式，但适用的压力和温度范围较大。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条