About flange standard EN1092-1

EN1092-1 is a flange standard formulated by the European Standardization Organization (CEN), which is applicable to threaded flange and flange connection of steel pipes and fittings. The purpose of this standard is to ensure that flanges used in various European countries have a uniform size and performance.

The EN1092-1 standard specifies requirements for the size, shape, nominal pressure, material, connection surface, and sealing form of various types of steel flanges. The nominal pressure range is from PN2.5 to PN100, and the size range is from DN15 to DN4000. The standard also specifies the material of the flange, including steel, stainless steel, brass, and copper alloy. In addition, the standard also covers the design requirements for threaded flanges and blind flange connections, such as sealing surfaces for flange connections and flange connections.

The EN1092-1 standard also specifies the methods and requirements for testing flanges to ensure that they meet the requirements of the standard. The tests include hydrostatic test, fatigue test, torsion test, and leakage test.
It is worth noting that the EN1092-1 standard is only applicable to steel flanges, and is not applicable to other materials and types of flanges. In addition, this standard is only applicable to the European market, and flanges in other markets may need to comply with different standards and regulations.

EN1092-1 is suitable for many applications where high-pressure and high-temperature pipeline connections are required, such as pipeline systems in industries such as chemical, petroleum, natural gas, power generation, shipbuilding, aerospace, and so on. Pipeline systems in these situations often need to withstand extreme environments such as high temperature, high pressure, corrosion, vibration, etc. Therefore, pipeline connections must have high strength, high tightness, high reliability, and safety.

The EN1092-1 standard specifies requirements for the size, shape, nominal pressure, material, connection surface, and sealing form of steel flanges to ensure that their performance meets the requirements of high-pressure and high-temperature pipeline systems. These regulations include the nominal pressure, nominal diameter, connection method, sealing form, material, manufacturing process, test method, etc. of the flange.

The EN1092-1 standard is a European wide standard applicable to the design, manufacture, and use of steel flanges for the European market. In other regions, there are also other steel flange standards, such as ANSI, ASME, JIS, etc. When selecting flanges, it is necessary to select them based on specific piping system requirements and applicable standards.


Post time: Mar-30-2023