JB/T 1308.6-2011PN2500 ultra-high pressure valves and fittings - Part 6: Conical gaskets and conical blind gaskets (English PDF)

JB/T 1308.6-2011 is the English-translated version of PN2500超高压阀门和管件 第6部分：锥面垫、锥面盲垫.

JB/T 1308.6-2011 is a recommended Chinese machinery industry standard and is the part of JB/T 1308 given to conical gaskets and conical blind gaskets for PN2500 ultra-high pressure valves and fittings.

For both kinds of gasket it establishes the form, the size and the technical requirements. The parts it applies to are forged steel valve gaskets of nominal pressure PN2500 and nominal size DN3 to DN25, used with ethylene, polyethylene and other non-corrosive media.

Its classification is J16 in the Chinese scheme and 23.060.01 in the international scheme. It quotes GB/T 1804, GB/T 3077 and JB/T 1308.2, and it supersedes JB/T 1308.6-1999.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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