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.
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
*Double Wall Flanges stacked 25 each high
DDSF0810GN-1 Duro Dyne 8/10″ DW Dyno-Ring Welded GN
DDSF0812-2 Duro Dyne 8/12″ DW Dyno-Ring 2″
DDSF08GN Duro Dyne 8″ SW Dyno-Ring Galvannealed
DDSF1012-1 Duro Dyne 10/12″ DW Dyno-Ring Welded
DDSF1012GN-1 Duro Dyne 10/12″ DW Dyno-Ring Welded GN
DDSF12 Duro Dyne 12″ SW Dyno-Ring
DDSF1214-1 Duro Dyne 12/14″ DW Dyno-Ring Welded
DDSF1214GN-1 Duro Dyne 12/14″ DW Dyno-Ring Welded GN
DDSF1216-2 Duro Dyne 12/16″ DW Dyno-Ring 2″
DDSF14 Duro Dyne 14″ SW Dyno-Ring
DDSF1416-1 Duro Dyne 14/16″ DW Dyno-Ring Welded
DDSF1416GN-1 Duro Dyne 14/16″ DW Dyno-Ring Welded GN
DDSF15 Duro Dyne 15″ SW Dyno-Ring
DDSF16 Duro Dyne 16″ SW Dyno-Ring
DDSF1618-1 Duro Dyne 16/18″ DW Dyno-Ring Welded
DDSF1618GN-1 DuroDyne 16/18″ DW Dyno-Ring Welded GN
DDSF18 Duro Dyne 18″ SW Dyno-Ring
DDSF1820-1 Duro Dyne 18/20″ DW Dyno-Ring Welded
DDSF1820GN-1 Duro Dyne 18/20″ DW Dyno-Ring Welded GN
DDSF20 Duro Dyne 20″ SW Dyno-Ring
DDSF2022-1 Duro Dyne 20/22″ DW Dyno-Ring Welded
DDSF2022GN-1 Duro Dyne 20/22″ DW Dyno-Ring Welded GN
DDSF2123GN-1 Duro Dyne 21/23″ DW Dyno-Ring Welded GN
DDSF22 Duro Dyne 22″ SW Dyno-Ring
DDSF2224-1 Duro Dyne 22/24″ DW Dyno-Ring Welded
DDSF2224GN-1 Duro Dyne 22/24″ DW Dyno-Ring Welded GN
DDSF24 Duro Dyne 24″ SW Dyno-Ring
DDSF24-1.5 Duro Dyne 24″ SW Dyno Inner Ring
DDSF2426-1 Duro Dyne 24/26″ DW Dyno-Ring Welded
DDSF2426GN-1 DuroDyne 24/26 DW Dyno-Ring Welded GN
DDSF26 Duro Dyne 26 SW Dyno-Ring
DDSF2628-1 Duro Dyne 26/28 DW Dyno-Ring Welded
DDSF2628GN-1 Duro Dyne 26/28″ DW Dyno-Ring Welded GN
DDSF2630GN-2 Duro Dyne 26/30” DW Dyno Ring Welded 2″
DDSF27 Duro Dyne 27″ SW Dyno-Ring
DDSF28 Duro Dyne 28 SW Dyno-Ring
DDSF2830-1 Duro Dyne 28/30 DW Dyno-Ring Welded
DDSF2830GN-1 Duro Dyne 28/30″ DW Dyno-Ring Welded GN
DDSF29 Duro Dyne 29 SW Dyno-Ring #102124
DDSF30 Duro Dyne 30 Sw Dyno-Ring
DDSF30-1.5 Duro Dyne 30″ SW Dyno Inner Ring
DDSF3032-1 Duro Dyne 30/32 DW Dyno-Ring Welded
DDSF3032GN-1 Duro Dyne 30/32″ DW Dyno-Ring Welded GN
DDSF3034GN-2 Duro Dyne 30/34″ DW Dyno-Ring Welded 2″
DDSF32 Duro Dyne 32 SW Dyno-Ring
DDSF3234-1 Duro Dyne 32/34 DW Dyno-Ring Welded
DDSF34 Duro Dyne 34 SW Dyno-Ring
DDSF3436-1 Duro Dyne 34/36 DW Dyno-Ring Welded
DDSF3436GN-1 DuroDyne 34/36 DW Dyno-Ring Welded GN
DDSF35 Duro Dyne 35″ SW Dyno-Ring
DDSF36 Duro Dyne 36 SW Dyno-Ring
DDSF36-1.5 Duro Dyne 36″ SW Dyno Inner Ring
DDSF3638-1 Duro Dyne 36/38 DW Dyno-Ring Welded
DDSF3638GN-1 DuroDyne 36/38 DW Dyno-Ring Welded 1″
DDSF38 Duro Dyne 38 SW Dyno-Ring
DDSF3840-1 Duro Dyne 38/40 DW Dyno-Ring Welded
DDSF40 Duro Dyne 40″ SW Dyno-Ring
DDSF4042-1 Duro Dyne 40/42 DW Dyno-Ring Welded
DDSF42 Duro Dyne 42 SW Dyno-Ring
DDSF4244-1 Duro Dyne 42/44 DW Dyno-Ring Welded
DDSF44 Duro Dyne 44 SW Dyno-Ring
DDSF4446-1 Duro Dyne 44/46 DW Dyno-Ring Welded
DDSF48 Duro Dyne 48″ SW Dyno-Ring
DDSF50 Duro Dyne 50 SW Dyno-Ring
DDSF54 Duro Dyne 54 SW Dyno-Ring
