NFPA274全尺寸檢測－適用範圍Scope
NFPA 274 Standard Test Method to Evaluate Fire Performance Characteristics of Pipe Insulation。Current Edition: 2023
NFPA 274 standard describes a test method for deter-mining the heat release and the smoke generation of pipe insulation assemblies mounted on steel pipes in a full-scale pipe chase.
NFPA274全尺寸檢測－測試樣品Test Specimens
The test specimen shall consist of the actual pipe insulation assemblies, including elbows, jackets, lagging, tapes, seal-ants, coatings, and adhesives, mounted on three DN 60 metric size or 2 in, nominal pipe size steel pipes.
The three steel pipes shall be L shaped, each with a vertical and horizontal section joined (by welding) with a short radius welded elbow of the same diameter.
The horizontal section of the welded pipe, including the elbow, shall be 1120 mm ± 13 mm long, and the vertical section, including the elbow, shall be 1650mm±13 mm
Each pipe shall have a cap screwed to the end of the vertical run, the cap having a hole through which a threaded eyebolt has been fastened. The ends of the horizontal run of
pipes shall not be capped.
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南京睿督公司與澳洲NATA實驗室合作多年，專業提供NATA資質澳標檢測認證服務
澳標防火檢測： AS/NZS 1530.1、AS/NZS 1530.2、AS/NZS 1530.3、AS/NZS 3837、ISO9705、ISO5660-1、AS 5637.1、AS/NZS 3959 BAL29/40、NFPA274
澳標耐火檢測：AS/NZS 1530.4、AS/NZS 1530.8.1、AS/NZS 1530.8.2、AS/NZS 3013、ISO 13785-1、ISO 13785-2、AS 4072.1、ASTM E814、UL 1479、EN 1366-3、UL 2079、EN 1366-3、EN 1366-4、EN 1366-7、ASTM E1966、EN 1366-5、ASTM E119;
UL 263、NFPA 251、NFPA288、ISO 834、UL 555、ISO 10294.1
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