Product Name: Worm PTFE butterfly valve without pin 
 Product Type: WD371F4-10/16
 PN: PN1.0/1.6Mp
 Suitable medium: acid, alkali, water, sewage and other 
Temp: +10
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Product Name: Worm PTFE butterfly valve without pin 
 Product Type: WD371F4-10/16
 PN: PN1.0/1.6Mp
 Suitable medium: acid, alkali, water, sewage and other 
Temp: +10