Firestop Pipe Collar 1-37/64 H Silver

Marine Watertight Firestop Pipe Collar Collar Body Diameter 2.2 in Fire Rating Up to 1 hr For Pipe Size 1.6 in Usage Location Fire-Rated Bulkheads and Decks Body Design Solid Body Material Stainless Steel Body Material Grade Type 316 Collar Body Width 2.8 in Color Silver Expansion Temperature 320 Degrees F Expansion Volume 30X to 60X Features Flexible Intumescent Liner Accommodates Vibration and Will Not Damage Pipe Heavy Gauge Watertight Grommet Flange Diameter 4 in