World Wide Metric, Inc. - Transitional Marine Firestop Collars

Factory-manufactured devices designed for use in A0-A60 and B0-B30 Class divisions to protect transitions between steel and plastic pipes in marine and offshore construction. The heavy gauge stainless steel shell is lined with a molded, intumescent insert and provided with a marine grade, mild steel flange for attachment to steel pipes.

Unit of Measure

Items	STI-MFC50T	STI-MFC56T	STI-MFC75T	STI-MFC79T	STI-MFC90T
Weight	N/A 0.54 kg1.2 lb	N/A 0.59 kg1.3 lb	N/A 0.77 kg1.7 lb	N/A 0.91 kg2 lb	N/A 1 kg2.2 lb
Features	N/A Heavy gauge, chromium rich 316 stainless steel construction Resistant to aging and weathering, no soluble or hygroscopic ingredients Rapid expansion High volume of char Provides sealing function to restrict the passage of fire, smoke, and hot gases at transitions from plastic pipes to steel pipes or scuppers. Easily installable and retrofittable around existing pipe Quick and simple install Maintenance free Collars available for many common sizes Will not damage outside of pipe No sealant required No welding required