This part of GB/T 18993-2003 specifies the materials, product classification, technical requirements, test methods, inspection rules and signs, packaging, transportation and storage of chlorinated polyvinyl chloride pipe fittings for hot and cold water (hereinafter referred to as pipe fittings) with chlorinated polyethylene resin (PVC-C) as the main raw material.
This part together with parts 1 and 2 applies to industrial hot and cold water piping systems.
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