This standard specifies the type, size and technical requirements of spiral wound gaskets and asbestos rubber gaskets for large diameter carbon steel pipe flanges. This standard applies to spiral wound gaskets for large-diameter carbon steel pipe flanges with nominal pressure PN of 2.0, 5.0, 6.3, 10.0 and 15.0 MPa and asbestos rubber gaskets for large-diameter carbon steel pipe flanges with nominal pressure PN of 2.0 and 5.0 MPa.
GB/T 13403-1992 history
2023GB/T 13403-2023 Gaskets for large diameter steel pipe flanges
2008GB/T 13403-2008 Gaskets for large-diameter steel pipe flanges
1992GB/T 13403-1992 Gaskets for large-diameter cabon steel pipe flanges