充气刹车关于管道的泄漏试验和

Vari-plug stoppers ,or pipeline sealing airbag ,are made in natural rubber. We have professional egineers abd technicians in rubber egineering ,we could manufacture variious sizes of pipeline sealing airbags according to our customers' specific needs .The advantages of our goods are : professional rubber processing technology , advanced technology to improve the blocking effect , material is pure natural rubber ,high resilience and stand high pressure CAS and ISO9001 certificates ,the quality is excellent high production efficiency ,the price is lower than other suppliers after-sales service ,we have a special after-sales service team who will solve any problems you have no matter ir is our product or not . Specification of Pipeline StoppersDiameter Work pressure (kpa)200mm30200mm50300mm30300mm50400mm30400mm50500mm30500mm50600mm30600mm50700mm30700mm50800mm30800mm50900mm30900mm501000mm301000mm501200mm301200mm401400mm251400mm401600mm251600mm40