January 01, 1970
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Made of polypropylene fiber by reinforcing, braiding and impregnating with PTFE. Phenolic fiber in corners give the packing much better wear resistance.
Large winder for SWG can make spiral wound gaskets with or without inner & outer ring, needn’t complex molds. Work pressure is changed with dia. Size controlled by air pump. Horizontal style is suitable roomy workshop. Need additional welder.
Bolts with temperatures above 150 ° C require advanced disc spring pretensioning technology. It is recommended to use this series as much as possible when working at temperatures below 300 ° C and corrosive media.