Engel Transverse Duct Flange (TDF) T25B Rollformers

With Engel Transverse Duct Flange (TDF) Rollformers, you can roll form your own seal-able flanges on transverse duct joints during the fabrication process for both fittings and straight duct applications.

Engel TDF T25b Rollformers feature patented TDF Rolls that produce flange on the machine’s left-hand auxiliary and have unique snap-in corners. Optional rolls are also available for the clip. These are the only transverse duct flange machines on the market certified to comply with SMACNA Duct Construction Standard (DCS) T-25b based on actual laboratory tests across the full range of water gauges.

Available Models:

Engel TDF T25b 18ga Rollformer: 18-26 gauge mild steel | 16 station | 75 ft/min — R In Stock
Engel TDF T25b 16ga Rollformer: 16-24 gauge mild steel | 16 station | 50-60 ft/min

One (1) Model In-Stock and Available for Immediate Delivery — CLICK FOR MORE INFORMATION

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	Engel TDF T25b 18ga	Engel TDF T25b 16ga
Capacity	18-26 gauge mild steel 22 gauge for optional clip rolls	16-24 gauge mild steel 22 gauge for optional clip rolls
No. of Forming Stations	16	16
Shaft Diameter	1-11/16"	1-11/16"
Vertical Center Distance	3.5"	4"
Horizontal Center Distance	6"	6"
Speed	75 ft/min	50-60 ft/min
Motor	7.5 H.P 230 V / 3ph /60 Hz (22 Amps) 3 Phase Standard 460 V / 3ph /60 Hz (11 Amps) 3 Phase Standard — Single Phase not available	7.5 H.P or 10 H.P - VFD optional 230 V / 3ph /60 Hz (22 Amps) 3 Phase Standard 208 V / 3ph /60 Hz (24 Amps) 3 Phase Optional 460 V / 3ph /60 Hz (11 Amps) 3 Phase Optional — Single Phase not available
Dimensions	141” L x 32” W x 45” H	141” L x 32” W x 45” H
Optional Outboard Tooling	1-1/2” Standing Seam Rolls 1-1/4” Standing Seam Rolls 1-1/8” Standing Seam Rolls 18ga Large Pittsburgh Rolls 1/2” pocket 1-1/2” Standing Seam Rolls 20ga TDF Clip Rolls	1-1/2” Standing Seam Rolls 1-1/4” Standing Seam Rolls 1-1/8” Standing Seam Rolls 18ga 3-in-1 Rolls 16ga Pittsburgh Rolls 20ga TDF Clip Rolls Combination 3-in-1 Rolls
Optional Inboard Tooling		20ga Standing S Cleat 1/18” 20ga Standing S Bar Slip 20ga TDF Clip Rolls
Optional Equipment	One set of Inboard Tooling available

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