1.
Before the installation, should check whether the actual operating conditions are consistent with the performance parameters of valves.
安装前请核对使用工况与阀门性能参数是否相符。
2.
The valves can used for pipe nozzle and have reliable performance.
阀门可用于管端作放空阀用，性能可靠。
3.
The Structure and Movement Performance Analysis for Trifle-off Butterfly Valve Based on Valve Imitation System;
基于阀门仿真系统的三偏心蝶阀的结构及运动性能分析
4.
The end of the va|ve is double-metal stopping shims of high efficiency.
阀门底端采用双金属止推垫片，止推性能优良。
5.
Research of Intelligent Testing Equipment of Working Character of Fuel Pump Valve;
燃油泵阀门工作特性的智能测试装置的研究
6.
The characteristics of FEP and lining technics of valves
聚全氟乙丙烯塑料性能与阀门衬里工艺
7.
The resiliency of the seal allows the valve body and disc to contract or expand, without the risk of jamming due to temperature fluctuations.
密封的弹性使得阀门阀体和阀瓣能够接触或扩张，避免了由于温度波动而产生堵塞的危险。
8.
VALVES MUST NEVER BE LIFTED BY HANDWHEELS OR STEMS.
绝对不能用手抡或阀杆来提起阀门。
9.
ball check valve
球形止回阀（附有球阀和阀座的阀门,液体只能单方向通过）
10.
The end flaps of the elastomeric seat should be flexed downward toward the valve I.D. as the body halves are being separated.
当阀体分开时，弹性阀体阀座的边缘应该朝向阀门内径弯曲。
11.
Installed in tandem with smaller size regulator to improve system performance and extend valve life.
用较小通径的调节阀进行串联安装，以改善系统性能，延长阀门的使用寿命。
12.
The above data represent the performance of the positioner on an actuator without a valve.
上述各数值是指在不连接阀门的情况下执行机构的性能。
13.
Quick closing valves, water hammer or supply pressure fluctuations can cause intermittent discharge.
迅速关闭阀门，水锤或供应压力波动可能导致间歇性排放。
14.
Before installation should clean dust and sundries in cavity of valve and the pipeline, to avoid affect the sealing performance.
安装前应消除阀门腔内及管道内尘屑杂物，以免影响密封性能。
15.
The effect of rare earth silicon on properties of high temperature abrasion resistant of blast furnace valve surfacing alloy
稀土硅对高炉阀门堆焊合金高温耐磨性能的影响
16.
The stem position provides indication that valve is opened or closed.
阀杆的高低能够指示阀门处于开启或关闭状态。
17.
Also, the valves may be damaged by the high velocity across the seats.
此外，通过阀座的高流量还可能损坏阀门。
18.
There must be no valve between the relief valve and heater.
在安全阀和热水器之间不能够安装任何阀门。