Fire Coupling; (HS: 74199); (ICS: 13.220.10)

National Standard of the P.R.C., Technical Specifications for Fire Couplings (24 page(s), in Chinese)

This standard specifies terms and definitions, classifications and types, structure, performance requirements, test methods, inspection rules, marking, packaging and storage of all kinds of fire couplings.

This document applies to all kinds of fire couplings.