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.
Specification
- Type: Transitional Marine Firestop Collar – 50mm Steel & Plastic pipe.
- Item: STI-MFC50T.
- Weight: 0.54 kg, 1.2 lb.
Features
- Heavy gauge, chromium-rich 316 stainless steel construction.
- Resistant to aging and weathering, with no soluble or hygroscopic ingredients.
- Rapid expansion High volume of char.
- Provides a 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 the existing pipe.
- Quick and simple install.
- Maintenance-free Collars are available for many common sizes.
- Will not damage outside of the pipe.
- No sealant is required.
- No welding is required.
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