This valve can be used for blocking，sealing and regulating the flow rate on pipelines and
It is applied to open and shut or adjusting the flow of the water ，stem and oil pipeline.I
The valve has been widely used in the fields of petroleum，light industry,shipping, power,s
This valve could be adopted in industries，metallurgical industries，enviromental-protection
This valve is suitable the piplines of water,vapor,oil etc.It can adjust and cut off the f
The valve is widely used in various pipelines of water supply and drainage，building fire p
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