GB/T 9129-2003 in English

《GB/T 9129-2003管法兰用非金属平垫片 技术条件》由TC237（全国管路附件标准化技术委员会）归口，主管部门为中国机械工业联合会。
本标准规定了管法兰用非金属平垫片的技术要求、检验、标志、包装和储存。本标准适用于GB/T 9126中规定的管法兰用非金属平垫片。

1 Scope

This standard specifies the technical requirements, inspection, marking, packing and storage of the non-metallic flat gaskets for pipe flanges.
This standard is applicable to the non-metallic flat gaskets for pipe flanges specified in GB/T 9126.

2 Normative References

The following documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.