Lockformer Oval-Max II Oval Duct Forming Machine

The newly designed Oval-Max II Oval Duct Forming Machine from Lockformer is the latest advancement in oval duct forming technology for the HVAC industry. Combining innovative controls technology with a wedge style boom makes stretching oval duct easy, reliable, and repeatable, resulting in a more efficient production process for your business. The Oval-Max II features a 10-foot boom which produces oval duct up to 20 feet with available tooling to produce pipe with a Minor axis ranging from 6 inches to 36 inches and a Major axis ranging from 18 inches up to an impressive 96 inches. This newly designed oval pipe machine also offers a full touch screen PLC which allows the operator to save and recall pipe parameters for duplicate parts. Because metal properties varies slightly, Lockformer’s Oval-Max II also includes a re-stretch/jog function should to oval pipe need to be stretched a little more to retain the desired oval shape.

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Diameter Range


Motor / Voltage

Dimensions / Weight

Lockformer Oval-Max  II Oval Duct Stretching Machine

Up to 18 gauge

Minor Axis 6"-36"

Major Axis 18”-96”

up to 20'

25 hp

460V/3 Ph/60 Hz

Length: 230"
Width: 48"
Height: 70"

Lockformer Oval-Max II Oval Duct Forming Machine


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