The EN 1092-1 is a British standard that is one of the most commonly used standards across the world. The EN 1092-1 Flange are used in the application for industries such as those of oil, gas & mining. This particular European Standard is intended to be used for production of a single series of flanges. The EN 1092-1 Loose Flange is a standard that specifies requirements for circular steel flanges in PN or as referred to Pressure Nominale designations ranging from PN 2.5 to PN 400. The nominal sizes of the EN 1092-1 Flanges Dimensions range from DN 10 to DN 4000.