EN1092-1 is a standard issued by the European Standardization Organization and is a standard for steel flanges and fittings. This standard applies to connecting parts of liquid and gas pipelines, including flanges, gaskets, bolts and nuts, etc. This standard applies to steel flanges and fittings used within Europe and aims to ensure the interchangeability, safety and reliability of connected parts.
Flange type and size: This standard specifies the requirements for various types of steel flanges in terms of size, connection surface shape, flange diameter, hole diameter, quantity and location, etc. Different types of flanges include threaded flanges, weld neck flanges, blind flanges, socket flanges, etc.
Weld neck flange is a common flange connection method, which is commonly used in high-pressure or high-temperature pipeline systems. It consists of a threaded neck and a circular connecting surface with holes for bolt connections. When two neck welded flanges are connected together, a gasket is clamped between them to ensure a seal.
The following are the requirements and regulations of this standard for neck welded flanges:
Pressure rating:
The EN1092-1 standard specifies that the pressure ratings for neck welded flanges are PN6, PN10, PN16, PN25, PN40, PN63, PN100, and PN160.
Dimensional requirements:
This standard specifies the connection dimensions of neck welded flanges, including the number, size, and spacing of bolt holes.
Material requirements:
The EN1092-1 standard specifies the material types and chemical composition requirements that can be used for neck welded flanges. Common materials include carbon steel, stainless steel, alloy steel, etc.
Processing requirements:
This standard specifies the processing requirements for neck welded flanges, including surface finish, angular tolerance, etc.
In summary, the EN1092-1 standard is an important standard that provides detailed specifications for the design, production, and use of neck welded flanges, helping to ensure that flange connections have good sealing and reliability during use.
Post time: Mar-28-2023
