DD ISO/TS 15869:2009 specifies the requirements for:
BS 4500:2009 Limits and fits
in straight lengths of free-cutting steels
This British Standard code of practice applies to the design and construction of structures to retain soils and materials with similar engineering properties
Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated - Steel flanges Ingestion-build-183098 DD ISO/TS 15869:2009 specifies theThis European Standard for a single series of flanges specifies requirements for circular steel flanges in PN designations PN 2,5 to PN 100 and nominal sizes from DN 10 to DN 4 000. This standard specifies the flange types and their facings, dimensions, tolerances, threading, bolt sizes, flange jointing face surface finish, marking, materials, pressure temperature ratings and approximate flange masses. This standard does not apply to flanges made from