This document specifies the dimensions of polymeric O-Ring gaskets for use with grooved flanges complying with EN 1092 for PN 10, PN 16, PN 25, PN 40. NOTE 1 Dimensions of other types of gaskets for use with flanges to EN 1092 1, EN 1092 2, EN 1092 3 and EN 1092 4 are given in EN 1514 1, EN 1514 2, EN 1514 3, EN 1514 4, EN 1514-6 and EN 1514-7 NOTE 2 Annex A lists information that should be supplied by the purchaser when ordering gaskets in circumstances where the choice of the gasket materials appropriate to the service is left to the supplier.