Attachment 2 - 00244012-03843-[Vent Ducting - 09] Flexible ducting TR-FR 6in.doc

Flex Tube Thermoplastic Rubber – Fire Retardant 6” (TR-FR 6”) Medium weight co-extruded thermoplastic rubber hose with a rigid external polypropylene helix.

· Ultra smooth interior to maximize efficiency of airflow

· Highly flexible

· Tight bend radius without crimping

· Crush resistant

· Moisture resistant

· Chemical resistant

· Designed for applications with wide temperature ranges

· Spiral co-extruded engineered construction

· Helix must protect against wear

· Fire Retardant (FR) (UL 94-V0 material compliance)

· Inside Diameter: 6”

· Approx. Weight: 1 lbs. /ft.

· Wall Thickness .035”

· CL Bend Radius: 7”

· Compression Ratio: 2:1

· Negative Pressure: 16 in. / hg,

· Working Pressure: 10 PSI

· Temperature Range: -60F to 275F

· Color: Based on application. See JML

· Length: 24 feet VENT DUCT MUST BE MARKED “FR” AND SHALL BE PLACED EVERY FOOT (12"). FONT SIZE, LETTER STYLE AND INK COLOR NOT SPECIFIED, BUT MARKING SHALL BE PERMANENT AND CLEARLY LEGIBLE.