SD Flex-duct (5-inch ONLY)
Green with external black PVC wear strip. This Standard-Duty flex-duct is reinforced with an integral wire steel helix and has a compressibility ratio of 6 to 1. Each end of the flex-duct has an integral worm gear clamp already installed. Use with Cobra tester.
Designed for use at -20°F to 180°F temperatures, this general-purpose hose has excellent UV stabilization with mold and mildew inhibitors.
Diameter: One end of flex is 5 inches, other end is 6 inches.
Length: 12.5 feet and 25 feet sections
Temperature range: -20° to 180° F (-29° to 82° C)
Pressure rating: +10 in.wg./-10 in.wg.
Flame retardant: UL94VTM-O
Compressibility: 6:1
Weight: 4 lbs/12.5-ft
Ply: Single
HD Flex-duct (5, 6 and 8-inch)
Black with bright yellow external polypropylene wear strip. This Heavy-Duty flex-duct is reinforced with an integral wire steel helix and has a compressibility ratio of 2.2 to 1. Available for Cobra, Panther and Rhino testers.
Designed for use at -40°F to 275°F temperatures, this general purpose hose is resistant to chemicals, extreme moisture, ozone, UV rays, and weathering.
Diameters: 5, 6 and 8 inches
Lengths: 12.5 and 25 ft sections
Temperature range: -40 to 275 F
Pressure rating: +20 in.wg./-20 in.wg.*
Flame retardant: UL94V-0
Compressibility: 2.2:1
Weight: 9 lbs/12.5-ft (5-inch flex)
Ply: Single
* – Make sure the ends are clamped sufficiently so that duct does not slip off of duct/pipe. Flex will tend to contract under elevated negative pressures.