NFPA 274: Standard Test Method to Evaluate Fire Performance Characteristics of Pipe Insulation
Current Edition: 2013 Next Edition: 2018

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What is NFPA 274?
NFPA 274: Document Scope
1.1* Scope. This standard describes a method for determining the heat release and the smoke generation of pipe insulation assemblies mounted on steel pipes in a full-scale pipe chase.

NFPA 274 presents a test method for determining the heat release and smoke generation of pipe insulation and pipe insulation assemblies under controlled laboratory conditions.

Official document scope
What does NFPA 274 address?

A method is provided for an examination of the complete insulation assembly including elbows in an actual end use configuration.

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