January 01, 1970
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MK4000 is made of PTFE yarn and applicable for valves, vessels and pumps of corrosive media in chemical, medicine, food, petrochemical and power industry.
Selected from the high purity flake graphite,according to different working conditions, it can be reinforced with metal foil, tanged metal, and metal mesh.
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.