1 Scope
This standard specifies requirements, design, structure, test methods, test rules, package, mark, transportation and storage of steel drum-inserted flange closure (hereinafter referred to as closure).
This standard is applicable to design, manufacture and examination of the closure.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments (excluding amending error in the text) to, or revisions of, any of these publications do not be applied. However, the parties whose enter into agreement according to these specifications are encouraged to research whether the latest editions of these references are applied or not. For undated references, the latest edition of the normative document is applicable to these specifications.