72 Inch SigmaTouch Seam Welder
- Part #: SIG ESW-72
New 72 Inch SigmaTouch Seam Welder – Specifications & Features
- Model ESW-72
- 72” welding length plus 3” overtravel at each end for run-on/ run-off tabs
- Minimum part diameter of 6”
- Maximum part diameter of 36”
- This can be increased with optional risers
- Machined side beam with rack and pinion travel carriage
- Gas-purged copper backup bar
- Optional stainless steel backup bar shown in pictures
- Water cooled mandrel
- Seam alignment gauges
- Material thickness range of .020 to ⅜”
- 3” wide aluminum fingers with copper tips
- Dual foot pedal for finger clamping actuation
- Requires a clean 90 psi input
- Cable management track and tray
- The air interlock prevents clamping when the mandrel latch is open
- Spatter guards
- Input power: 115V, 1 Phase
72” SigmaTouch Seam Welder – Optional Accessories
- SigmaTouch weld sequence controller
- Risers to accommodate larger vessels
- Part hard stop
- Pneumatic torch lifter
- 3 gallon water circulator for mandrel
- Pneumatic seam alignment gauges
- Continuous copper fingertips
72” SigmaTouch Seam Welder – Shipping Specifications
- Shipping Dimensions: 122”L x 34-7/16”W x 71-7/16”H
- Approximate shipping weight: 4,000 lbs.
72” SigmaTouch Seam Welder – Product Description
Ready to be outfitted with the weld process of your choice!
This 72-inch SigmaTouch Seam Welder performs precision longitudinal welds on parts up to 6’ in length. Seam alignment gauges allow for easy and precise part loading. Furthermore, this unit features a bolt-on base. Therefore, risers can be added to accommodate larger diameter parts. SigmaTouch also offers a line of weld sequence controllers that allow the operator to adjust parameters from a single location. Weld Plus offers installation on MIG, TIG, SAW, and Plasma welding processes!
If you have any questions about this item, call our toll-free number at 800-288-9414. Our knowledgeable sales staff is available to assist with any technical questions that you may have. In addition, you can email our sales staff at sales@weldplus.com.
We encourage you to visit our 44,000-square-foot facility in Cincinnati, OH, today to get a firsthand look at this machine!
If you’re interested in this product, please click “Add to Quote” above and then click on “Product Added to Quote” to submit your inquiry. If you have any immediate questions about this or any other product, please call us at 513-941-4411 and we will gladly help. Thanks for considering Weld Plus, your source for welding equipment and machinery.

