This part of GB/T 19675 specifies the type, size and marking of metal punched plate flexible graphite composite gaskets for pipe flanges. This part is applicable to metal punching plate flexible graphite composite gaskets for pipe flanges of PN2.5 to PN50 and DN 10 to DN2000.
GB/T 19675.1-2005 history
2023GB/T 19675.1-2023 Flexible graphite composite reinforced gaskets for pipe flanges Part 1: PN series
2005GB/T 19675.1-2005 Dimensions of flexible graphite gaskets reinforced with tanged metal sheet for pipe flanges