This standard specifies the types and dimensions of non-metallic flat gaskets for pipe flanges. This standard is applicable to non-metallic flat gaskets for pipe flanges with nominal pressure PN0.25~.PN5.0MPa, flat surface, convex surface, concave-convex surface and tongue-and-groove surface.
GB/T 9126-2003 history
2008GB/T 9126-2008 Dimensions of non-metallic flat gaskets for pipe flanges
2003GB/T 9126-2003 Dimensions of Non-metallic flat gaskets for pipe flanges