This standard specifies the type and code, dimensions, requirements, inspection, marking and marking, packaging, storage and transportation of metal toothed gaskets for pipeline flanges (hereinafter referred to as toothed gaskets). This standard applies to toothed gaskets with nominal pressures PN16~PN200 specified in JB/T 79, JB/T 81, JB/T 82, JB/T 84 and JB/T 86.
JB/T 88-2014 Referenced Document
GB/T 11253 Cold-rolled sheet and strip of carbon structural steels*, 2019-10-18 Update