J P Lamborn PR25B-08 8 in. x 25 ft. Insulated Duct

Product Description

The J P Lamborn PR25B-08 insulated duct is designed for high performance and durability. This duct features a spring steel wire helix within a 2-ply, airtight inner core, ensuring effective air management. With an insulation value of R4.2, it provides excellent thermal retention, making it suitable for a wide range of temperature applications.

• Effective insulation rated at R4.2

• Designed for air velocities up to 5000 FPM

• Temperature range suitable for continuous use from -20 to 140 degrees F

Product Highlights

The duct is built for consistent performance in HVAC systems. It operates efficiently within a temperature range of -20 to 200 degrees F for intermittent use. The flame spread rating is less than 25 with smoke developed less than 50, ensuring safety standards are met.

Product Information

Standard Information

• Brand: J P Lamborn

• Series: PR-25

Technical Specifications

• Inside Diameter: 8 inches

• Length: 25 ft

• Insulation Value: R4.2

• Vapor Transmission: 0.1 Perms

• Pressure: Positive : 1/Negative : 6 in-WG

• Maximum Air Flow: 5000 FPM

• Temperature: Continuous use -20 to 140 degrees F, Intermittent use -20 to 200 degrees F

• Material: Polyester/Polyethylene/Fiberglass/Steel