RTC Intumescent Firestop Collars ( vòng chống cháy Intumescent RTC)

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Download Catalogue Product data sheet: Tải tại đây
Download Catalogue Product data sheet: Tải tại đây
Property – As Supplied Value
Shell Construction: Nom 22 GA galvanized steel (0.03” thick (0.76 mm)
Intumescent Insert: Molded one piece
Sizes Accommodated: 3” trade size pipe (89 mm)
3” trade size pipe coupling (102 mm)  
4” trade size pipe (114 mm)  
4” trade size pipe coupling (127 mm)  
Expansion Begins: 320°F (160°C)
Volume Expansion: 32x to 64x (free expansion)
In Service Temperature ≤120˚ F (<49˚ C)
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