Delta Duct FD3 RN

Product Details

Delta-flex DF-FD3-RN is insulated flexible duct with outer jacket as reinforced
metalized PET laminated over clear polyester, middle layer is of Good quality
fiber glass insulation & inner core is double layer of clear polyester
permanently bonded with flame retardant bonding adhesive with coated steel
spring helix

Specification

Diameter : 4” to 20”
Insulation Density : (16, 24, 32) kg/m3
Available Insulation Thickness : 25 mm
Length : 25 feets
Maximum Velocity : 5000 FPM (25.5 m/s)
Maximum Positive Pressure : 10” W.C. (2.5 KPa)
Maximum Negative Pressure : ½” W.C. (0.12 KPa)
Insulation R Value : 4.2 or 6 (F-hr/BTU)

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