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RF Sealers

RF sealers, also referred to as RF welders, provide a direct heating method used to join materials such as plastic and industrial fabric.  Thermex Thermatron, LP regularly supplies RF heat sealing equipment, like RF presses, RF bar sealers and automated RF sealers to industries such as automotive, packaging, medical and industrial fabrics.  Thanks to our precision engineered equipment, RF heat sealers produce a strong, uniform seal on a variety of products and materials, from PVC and Polyurethane to Saran and Nylon.

Thermex Thermatron, LP provides a full series of RF sealers, including our:

  • F-Series Bar Sealers
  • G-Series Dielectric Heat Sealers
  • Table Top Sealers
  • Delta Series Platen Sealers
  • F-Series Platen Sealers
  • Trimbond Series
  • Traveling Welders

We also offer accessories such as turntables, indexers, shuttles, robotics, automation and in-line systems.  We also offer a full line of replacement parts.  Thanks to the attentive engineering that goes into all of our products, RF bar and automatic heat sealing equipment and components are designed with efficiency and safety in mind; just part of the reason our RF sealers are in use by so many industries the world over.

RF Bar and Automatic Sealers: Custom Solutions, Specialty Applications

In addition to our standard line of RF sealers, bar sealers and other heat sealing equipment, we custom design heat sealing solutions for specialty applications.  More than 65 years of experience has allowed us to produce custom machines with the unbeatable reliability and performance found in our standard equipment.  To specify your custom requirements for your RF plastic welder or RF Trimbond unit, or to learn more about any of the equipment we manufacture, please contact us.


Choose from the most comprehensive lines of Industrial RF and Microwave Systems available.