STI® RTC350
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STI® RTC350

3" and 4" Pipe and Corresponding Fittings, Firestop Collar, STI RTC350

  • Manufacturers: Specified Technologies
  • Brand Name: STI®
  • Part#: 343208
  • MPN: RTC350
  • UPC: 730573038352
  • Min. Order Qty: 1
  • Qty. Interval: 1
  • Company Availability: loading branchavailability

SpecSeal® RTC Firestop Collars adapt to the size combustible pipe that you are working with. One collar is designed to address standard 3 in. & 4 in. plastic pipes as well as their associated couplings. RTC Firestop Collars adaptable nature make them an excellent tool to have at hand when bringing combustible penetrations up to code.

Shell ConstructionNom 22 GA galvanized steel (0.03” thick (0.76 mm)
Intumescent InsertMolded one piece
Sizes Accommodated3” trade size pipe (89 mm)
3” trade size pipe fitting (102 mm)
4” trade size pipe (114 mm)
4” trade size pipe fitting (127 mm)
Expansion Begins320°F (160°C)
Volume Expansion32x to 64x (free expansion)
In Service Temperature=120°F (49°C)
  • pdfInstallation Manual https://www.capitolgroupinc.com//ASSETS/DOCUMENTS/ITEMS/EN/ZIS1027_RTC.pdf
  • pdfSafety Data Sheet https://www.capitolgroupinc.com//ASSETS/DOCUMENTS/ITEMS/EN/SDS_RTC Collar.pdf
  • pdfData/Spec Sheet https://www.capitolgroupinc.com//ASSETS/DOCUMENTS/ITEMS/EN/PDS_RTC Collar.pdf