Flanges and their joints. Dimensions of gaskets for PN-designated flanges - Polymeric O-Ring gaskets for grooved flanges Ingestion-build-202139 ISO 21539 includes requirements for

ISO 21539 includes requirements for the test facility

By applying BS EN 62496-3-1

as defined in IEC 61291-1:

Determination of total nitrogen in fertilizers containing nitrogen only as nitric

Annex D (informative) Evaluation of costs of loss

Flanges and their joints. Dimensions of gaskets for PN-designated flanges - Polymeric O-Ring gaskets for grooved flanges Ingestion-build-202139 ISO 21539 includes requirements for1 Scope 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 10921, EN 10922, EN 10923 and EN 10924 are given in EN 15141, EN 15142, EN 15143, EN 15144, EN 15146 and EN 15147. NOTE 2 Annex A lists information that should be supplied by the purchaser when ordering gaskets in