标题: DIN EN 1092-2-1997 Circular Flanges For Pipes, Valves, Fittings And Accessories [打印本页] 作者: melich 时间: 2019-8-2 16:25:58 标题: DIN EN 1092-2-1997 Circular Flanges For Pipes, Valves, Fittings And Accessories
The document specifies requirements for circular flanges made from ductile, grey and malleable cast iron for DN 10 to DN 4000 and PN 2,5 to PN 63. It also specifies the types of flanges and their facings, dimensions and tolerances, bolt sizes, surface finish of jointing faces, marking, testing, quality assurance and materials together with associated pressure/temperature (p/T) ratings.
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