Ductile iron pipes, fittings, accessories and their joints for gas pipelines. Requirements and test methods Ingestion-build-63114 2 Selection

2 Selection

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In the case of aerobic treatment

BS EN 899 is applicable to sulfuric acid used for the treatment of water intended for human consumption

Ductile iron pipes, fittings, accessories and their joints for gas pipelines. Requirements and test methods Ingestion-build-63114 2 SelectionBS EN 969: 2009 Ductile iron pipes, fittings, accessories and their joints for gas pipelines. Requirements and test methods BS EN 969 specifies the requirements and associated test methods applicable to ductile iron pipes, fittings, accessories and their joints used for the construction of pipelines outside buildings: 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. BS