Valve and pipeline的意思|示意

When more than one boiler is connected to the main steam header, a stop check valve should be installed in the pipeline between each boiler and the header.

如果连接主蒸汽热水器的锅炉不止一个，则在每个锅炉与热水器之间的管路上都应该安装一个截止止回阀。

The same force tends to reduce the seal on the pressure side with the result that bonnet cavity and the valve stem packing are nearly always subjected to maximum pipeline pressure.

而压力侧以相同的力削弱了密封，这样使阀盖腔室和阀杆填料几乎总是承受最大管道压力。

Close the door distribution discharge valve and, if cut-off valve is opened, pumping water to the piston from the pipeline until the pump output.

关闭分配阀卸料门，如有截止阀则打开，泵送清水至活塞从输送管输出端泵出为止。

Operation knowledge and maintenance experience of pipeline safety valve.

具备管道安全阀使用知识和维护经验者。

This system has huge database contain familiar 29 fault phenomenon, overlay hydraulic pump, hydraulic valve, hydraulic urn, pipeline and hydraulic accessory 160 piece of fault information etc.

本系统知识库庞大，包括常见的29 种故障现象，涵盖了液压泵、液压阀、液压缸、管路、液压辅件等160 余条故障信息。

Ball valve fully open, the flow resistance is very small, almost zero, so the ball valve diameter is widely used in petroleum and natural gas pipelines because the pipeline cleaning easy.

球阀在完全开启时，流阻很小，几乎等于零，因此等径球阀广泛应用于石油天然气管线中，因为容易清扫管线。