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Normas BSI – AENOR
BS EN 969:2009

BS EN 969:2009

Ductile iron pipes, fittings, accessories and their joints for gas pipelines. Requirements and test methods

Fecha:
2009-04-30 /Confirmed
Comité:
PSE/10
Equivalencias internacionales:

EN 969:2009

Relación con otras normas BSI:

Reemplaza a: BS EN 969:1996

Resumen:
This European Standard specifies the requirements and associated test methods applicable to ductile iron pipes, fittings, accessories and their joints used for the construction of external pipelines: - to convey air or combustible gases (e.g. natural gas or town gas) at pressures up to 16 bar; - to be installed below or above ground. NOTE 1 A combustible gas is a gas or any fuel that is in gaseous state at a temperature of 15 °C at a pressure of 1 bar. This European Standard applies to pipes, fittings and accessories which are: - manufactured with socketed, flanged or spigot ends; - normally delivered externally and internally coated; - suitable for gas temperatures between - 15 °C and 50 °C. This European Standard covers pipes, fittings and accessories cast by any type of foundry process or manufactured by fabrication of cast components, as well as corresponding joints, in a size range extending from DN 40 to DN 600 inclusive. This European Standard specifies requirements for materials, dimensions and tolerances, mechanical properties and standard coatings of ductile iron pipes and fittings. It also gives performance requirements for all components including joints. Joint design and gasket shape are outside the scope of this European Standard. NOTE 2 In this European Standard, all pressures are relative pressures expressed in bars (100 kPa = 1 bar).
Keywords:
Pipe fittings, Flanges, Pipe coatings, Finishes, Cast-iron, Dimensional tolerances, Gas pipelines, Sampling methods, Coatings, Design, Marking, Flanged fittings, Tensile strength, Cast-iron pipelines, Pipe couplings, Bend testing, Size, Elongation, Dimensions, Pipe connections, Pipes, Hardness, Leak tests, Mechanical testing, Spheroidal-graphite cast-iron, Gas pipes, Conformity, Tensile testing
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