Comes with pre-drilled holes for fast assembly to the duct. Eliminate labor intensive clamps and clips and no special tools are needed for installation. Can be installed & assembled on site or in shop. Ducts can be disassembled and reassembled easily. Virtually no leakage at transverse connection when properly installed.
90 degree Dyn-O-Rings available in sizes from 8” to 99” in diameter and TDC Dyn-O-Rings available in sizes from 14” to 99” in diameter.
Manufactured from 18 gauge galvanized steel, meeting specifications ASTM A-653 (lock forming quality). Also available in 16 gauge galvanized steel and specialty metals: Aluminum, 300 Series Stainless Steel and Galvaneal. Flat Oval available upon request.
▪ Meets SMACNA Rigidity Class C, per the SMACNA Testing and Research Institute
▪ Dyn-O-Rings are available in single-layer 90 degree and rigid rolled TDC styles
▪ Pressure class +20”W.G. to -10” W.G.
Diameter based on outer size
Skid Quantities:
D1D 12” – 150 Rings
D1D 14” – 100 Rings
D1D 16” – 100 Rings
D1D 18” – 100 Rings
D1D 20” – 100 Rings
D1D 22” – 50 Rings
D1D 24” – 50 Rings
D1D 26” and larger – 25 Rings
DDSF1416-1 Duro Dyne 14/16″ Double Wall Dyno-Ring Welded #114111
DDSF1618-1 Duro Dyne 16/18″ Double Wall Dyno-Ring Welded #114113
DDSF1820-1 Duro Dyne 18/20″ Double Wall Dyno-Ring Welded #114115
DDSF2022-1 Duro Dyne 20/22″ Double Wall Dyno-Ring Welded #114117
DDSF2224-1 Duro Dyne 22/24″ Double Wall Dyno-Ring Welded #114119
DDSF2426-1 Duro Dyne 24/26″ Double Wall Dyno-Ring Welded #114121
DDSF2628-1 Duro Dyne 26/28″ Double Wall Dyno-Ring Welded #114123
DDSF2830-1 Duro Dyne 28/30″ Double Wall Dyno-Ring Welded #114125
