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About ISM Machinery

ISM Machinery is spiral fitting machine manufacturer, specializing in the service and sales of spiral tubeformers and related equipment, such as fitting and clinching machines. ISM Machinery draws on over 50 years combined experience in the manufacturing, service and sales of spiral machines and related machinery. ISM Machinery’s business is based on delivering spiral machines that are built with quality, performance, and dependability to ensure the best possible return on your investment. ISM Machinery has a generous inventory of spare parts and our experienced team of technicians is here to ensure that your spiral machines and related fitting equipment provide you with optimal performance and maximum run time. Additionally, ISM is proud to support the industry as an associate member of the Spiral Duct Manufacturers Association, SPIDA.

ISM Machinery History

2012

4th Quarter: ISM is acquired by Mestek, Inc.

2013

ISM by Lockformer introduces the Max-Flange flanging machine and Oval Max system with independent cylinders that stretch spiral round duct into oval.

2014

ISM by Lockformer introduces Angle-Max used to produce angle stock for flat oval and round flanges along with TDC©, TDF© and other special flanges from stock coil

2016

ISM by Lockformer brings to the industry the LASER-MAX 1.5 Laser cutting table with enclosed torch head

Resources from Mestek Machinery

Backed by over 100 years of expertise and experience in metal forming and fabrication, Mestek Machinery has developed a number of valuable resources to help HVAC duct and fittings fabricators and other industry professionals learn more about the technologies and processes that drive your operations.

News & Updates
The Mestek Machinery Blog

We're Here to Help

Have questions about ISM Machinery equipment and solutions? Looking for help on a unique application? Need help with a budget estimate to determine overall equipment costs to evaluate if your project can be justified? Please don’t hesitate to reach out — we’d love to help.