NFPA 252 门总成的耐火试验方法
日期:2012-02-10 14:36
NFPA 252 Standard Methods of Fire Tests of Door Assemblies
NFPA 252 门总成的耐火试验方法
1.1 Scope. This standard prescribes standardized fire and hose stream test procedures that apply to fire door assemblies intended to be used to retard the spread of fire through door openings in fire-resistive walls.
Protect lives with proper testing on door assemblies using the latest NFPA 252.
NFPA 252 outlines methods of fire testing door assemblies for determining assembly suitability when fire resista
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