Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated - Cast iron flanges Ingestion-build-224916 4 List of hazards

4 List of hazards

Definition added for parallel geometry stay hinge (with or without a friction system)

It includes material

BS EN ISO 14161 describes procedures of a general nature and that which do not constitute a comprehensive development

Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated - Cast iron flanges Ingestion-build-224916 4 List of hazards1 Scope This standard 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. (See 4. 1 and 4. 2). This standard 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.