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ZSCWPneumatic regulating butterfly valve


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the drawing of  ZSCWPneumatic regulating butterfly valve

ZSCW.jpg

size of ZSCWPneumatic regulating butterfly valve

 

mainterials for main parts

 

Body: HT200, ZG230-450, ZG1Cr18Ni9Ti
Disc: carbon steel, 1Cr18Ni9Ti
The long axis: 1Cr18Ni9Ti
Seat: carbon steel, stainless steel lining synthetic rubber or reinforced ptfe
Inside bearing: bronze, stainless steel surfacing company too lai alloy
Packing: teflon, flexible graphite
Bonnet: carbon steel