NEN EN 12928 : 2000

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Dimensions
5 Materials
6 Design and construction
7 Designation
Annex A (normative) Octagonal base (type C1) - Nomenclature
                    for closure system
Annex B (normative) Octagonal base (type C1) - Flange and
                    flange washer
Annex C (normative) Octagonal base (type C1) - Label ring
                    and protection ring
Annex D (normative) Octagon base (type C1) - Steel plug and
                    elastomer or thermoplastic plug washer
Annex E (normative) Octagonal base (type C1) - Plastic plug
                    and elastomer or thermoplastic plug
                    washer
Annex F (normative) Octagonal base (type C1) - Capseal
Annex G (normative) Octagonal base (type C1) - Closure
                    assembly without capseal
Annex H (normative) Octagonal base (type C1) - Closure
                    assembly with capseal
Annex I (normative) Octagonal base (type C1) - Plug wrench
                    adapter
Annex J (normative) Octagonal base (type C1) - Closing
                    torques
Annex K (normative) Serrated base (type C2) - Nomenclature
                    for closure system
Annex L (normative) Serrated base (type C2) - Flange and
                    sealing feature
Annex M (normative) Serrated base (type C2) - Steel plug and
                    elastomer or thermoplastic plug washer
Annex N (normative) Serrated base (type C2) - Plastic plug
                    and elastomer or thermoplastic plug
                    washer
Annex O (normative) Serrated base (type C2) - Overseal
Annex P (normative) Serrated base (type C2) - Closure
                    assembly without overseal
Annex Q (normative) Serrated base (type C2) - Closure
                    assembly with overseal
Annex R (normative) Serrated base (type C2) - Plug wrench
                    adapter
Annex S (normative) Serrated base (type C2) - Closing
                    torques

Specifies the dimensions and characteristics of inserted flange type closure systems used for steel drums with a total capacity between 17 l and 230 l.