HG 21501-1993 Rubber lined steel pipes and fittings

This standard specifies the size, operating pressure and temperature, technical requirements, inspection and marking of DN25DN500mm rubber-lined steel pipes and fittings. This standard is applicable to the design of pipelines that transport corrosive media or have solid particle wear in the chemical, petrochemical, textile, electric power, metallurgy and other sectors. HG 21501-1993 Rubber-lined steel pipes and fittings HG21501-1993 Standard download decompression password: www.bzxz.net

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