Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 DN
3.2 NPS
3.3 Class
4 Designations
4.1 Range of Class designations
4.2 Range of gasket sizes
4.3 Gasket design
4.4 Information to be supplied by the purchaser
5 Gasket designs
6 Gasket type
7 Dimensions and tolerances
7.1 Dimensions
7.2 Tolerances
8 Marking
Annex A (informative) A-deviations