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

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

Commercial catering gas installers

Internet service providers

Choice of the protection units to be implemented

In the case of aerobic treatment

Manufacturers and suppliers of terminal lugs and in-Iine splices

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

This document describes a test method that covers the determination of fracture resistance of monolithic ceramics at room temperature by the indentation fracture (IF) method

and that the quality of the products be consistently maintained

Auditing and collating existing material

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2 Selection

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