January 01, 1970
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Bolts with temperatures above 150 ° C require advanced disc spring pretensioning technology. It is recommended to use this series as much as possible at operating temperatures below 300 or around and corrosive media
Phenolic fiber with special treatment, used for braiding packings.
YJ-PC Computerized Control type Hydraulic Shaper for making rubber gasket,PTFE gasket and die-formed graphite ring etc.