COVID-19 - A message to our Customers. Read More.


RFlex Travel

Automated Traveling Radio Frequency Welder

The RFlex Travel is a radio frequency welder that is designed for the production of  tarpaulins, tents, truck tarps, high speed doors, and any other flexible Polyvinyl chloride (PVC) or Polyurethanes (PU) product. Line up your material with the lasers on the track, let the vacuum work table hold your material in place, press a button, and let the travel head do the welding for you. Reliable and effortless production.

Need Help?

Use our integrated Find a Welder tool to determine exactly which product you need. Learn More

Features and Benefits

  • Simple to setup and easy to operate
  • Universal usage for PVC, PU, TPU, reinforced technical textiles
  • Easy material handling with work table length up to 100m
  • New generation stable and efficient RF power generator
  • Easily change dies with QuickGRIP release system of the electrodes
  • Easier material placement and better visualization of weld with built in LED illumination and laser guides
  • Manual, semi-automatic and automatic operation
  • 10" touch screen HMI panel
  • MW safeDOWN anti-crush electrode safety motion system
  • Fully automated weld cycles with 100 weld cycle recipe memory
  • Auto-tuning for steady RF power feed to assure consistent welds
  • High production capacity with fully programmable PLC
  • RF emission protection
  • Custom dies available for versatile production
  • Line up your material and the traveling head will continuously weld
  • Easy to use intuitive operating menu with machine specific software
  • Ultrafast monitoring of arcs and overloads for protecting the integrity of the electrodes and the welded material
  • X OPTION - optional transverse ± 2.4 inches to 4.75 inches weld head motion
  • Optional -For welding non-RF weldable fabrics, the RFlex can be fitted with an impulse electrode
  • Optional - Lock your fabric in place with a vacuum system on your work table
  Corporate Brochure

Technical Specs

Power Requirements:

  • Three Phase - 240 Volts - 60 Amps
  • Three Phase - 400 Volts - 40 Amps
  • Three Phase - 480 Volts - 40 Amps

Electron Tube:

  • Air Cooled Metal-Ceramic Triode

Electrode Length:

  • 1.2m (47 inches)
  • Optional- 1.5m (59 inches)

Electrode Stroke:

  • 0.16m (6.3 inches)

Air Requirements:

  • 2cfm @ 120 psi

Power Consumption:

  • Approx. 15kw


  • Width - 1.7m
  • Height - 2.4m
  • Weight - 1,100kg

Work Table Dimensions:

  • Length - Up to 100m (3,937 inches)
  • Width - 31 inches

Trough Size:

  • 0.6 x 0.4m (23.62 x 15.74 inches)

Electrode Mount:

  • QuickGRIP, pneumatic

*Depending on the application, the seam width, and the type of material used


  Technical Specs – RFlex Travel
  kW Calculator - Straight Bar
  kW Calculator - Round Bar

Service & Training

We're committed to you and your business. The Miller Weldmaster service and resolution center is staffed with our field service engineers for fast response time.

Contact Service

Trust Miller Weldmaster to get your started!

  1. A Miller Weldmaster certified field service engineer will contact you to schedule installation and training at your facility.
  2. We provide you with everything you need to know to get your team ready for installation and training.
  3. Your staff will receive extensive instruction on welding equipment operation and maintenance and how to produce your product.
  Watch our training videos Request Training

Request a Quote

"The Miller Weldmaster T300 machine has been very easy to ramp up on in terms of learning how to produce inflatables. The training, service and ease of use of the MW T300 has exceeded expectations and we are glad we made the investment. " - Kokopelli Raft Co.