1.
Assessing the safety of fully welded body pipeline ball valve
全焊接阀体管线球阀焊接接头的安全评估
2.
Pig receiver& launcher shall be horizontal, and the diameter of pig valves shall be equal to the inner diameter of the pipe cleaned.
收发球筒采用卧式平放，收、球阀的直径应等于被清扫管线的内径。
3.
Pig receiver &launcher shall be horizontal, and the diameter of pig valves shall be equal to the inner diameter of the pipe cleaned.
收发球筒采用卧式平放，收、发球阀的直径应等于被清扫管线的内径。
4.
Pig inlet &outlet and oil (air or water) inlet shall be connected respectively to the main pipe by valves.
收发球口和进油（气、水）口分别通过阀门与主管线连接。
5.
Optional disc configuration which provides line contact between spherical disc and conical body seat.
备选阀瓣结构，在球形阀瓣和锥体阀座之间具有线接触作用。
6.
Remove the relief valve hose from fitting below inlet ball valve.
从进口球阀下面连接件拆卸安全阀软管。
7.
Detach the sensing line from the inlet ball valve and the elbow on the relief valve.
从进口球阀和安全阀上的弯头处拆卸感应管道。
8.
The test set operates both the bleed valve and solenoid valve independently.
测试仪可以对排泄阀和螺线管阀分开操作。
9.
Controlled closing of the valve, opens the mainline check valve, gradually increasing line pressure.
阀门受到控制的关闭操作，开启主管线止回阀，逐渐增加管线压力。
10.
Type of valve- gate, globe, check, etc.
阀门种类：闸阀，截止阀，止回阀，蝶阀，球阀，等等。
11.
Loose connections in the valve solenoid circuits
在阀螺线管电路中松散的连接
12.
Install brake lines that connect master cylinder to combination valve.
安装连接总泵至组合阀的煞车管线。
13.
Solenoid Switch Valve Latched in TCC Position
电磁螺线管开关阀门固定在ＴＣＣ位置
14.
Install regulator in the line with the arrow on the body pointing in the direction of flow.
在管线内安装调节阀，使得阀体上的箭头指向流体流向。
15.
Either too low a line velocity or too high a velocity can damage valve internals and shorten valve life.
管线流速太低或太高都可能损坏阀内件，缩短阀门的使用寿命。
16.
Provide a three-valve bypass to facilitate inspection of the reducing valve without interrupting service.
配置一个三阀旁路来简化减压阀的检查，不需要断开管线服务。
17.
hose connection valve
软管联结阀软管连接阀
18.
Safety Assessment of Unburied Penstock in Front of Globle Valve in Hydroelectric Power Plant
水电厂球阀前压力钢管连接明段的安全评价