This national standard specifies Terminology and Definition, classification, sign, requirement, test method, test rules, label, packing, transportation storage of metal bellows expansion joints (hereinafter referred to as expansion joint).

       This standard is applicable to design, manufacture and check of expansion joint (fixed within pipeline) with its flexibility component of metal bellows.

Foreword 2
1. Scope 1
2 Normative References 1
3 Terminologies and Definition 2
4 Classification and sign 4
5 Requirements 11
6 Test method 16
7 Test rules 18
8 Label 20
9 Packing, transportation and storage 20
Annex A (Normative annex) Design of circular bellows 21
Annex B (Informative) Design of rectangular bellowss 40
Annex C (Informative) Design of structural parts 48