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

Commercial catering gas installers

allowing selection of appropriate materials and ensuring operation within suitable temperature ranges

In the case of aerobic treatment

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

Auditing and collating existing material

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