Flow vibration in turbinecontrolvalve is the major consequences of valve stem rupture, valve disc damage as well as the resonance of valve and its pipings.
调节阀的流体振动会造成阀杆疲劳断裂与阀碟的损坏，以及整个阀门及管道系统的共振。
2
The assembling, actuating, water-tight test of pump-turbine globe valve and its quality control are introduced.
介绍了抽水蓄能水轮机球阀装配、动作及密封漏水试验工艺性与质量控制。
3
A turbine supercharger protector is provided, which comprises an oil cylinder body 11, an oil cylinder cover 12, a piston 2, a single filling valve 3 and a piston control device.