Radio Frequency Welding


Packages start at $80,200 usd MSRP
or $1,653/mo

RFlex | Versatile Radio Frequency PVC/PU Welder

The RFlex stationary welder is the industry’s most versatile radio frequency welder available on the market. RFlex was designed for the production of tarpaulins, tents, truck tarps, high speed doors, and any other flexible Polyvinyl chloride (PVC) or Polyurethanes (PU) product. With enhanced features such as, a foldable trough for better material handling, a joystick to accurately line up your material every time, autotuning for consistent welds, your production will be even more efficient and reliable.


Best For:
  • Aerospace
  • Athletic Mats
  • Awnings
  • Billboards
  • Blinds
  • Clear Span Buildings
  • Containment Booms
  • Conveyor Belts
  • Curtains - Agriculture
  • Curtains - Gymnasium
  • Curtains - Truck Side
  • Roller Doors
  • Evacuation Slides
  • Flexible Storage Tank/Bladders
  • Greenhouses
  • Mattresses
  • Pergolas
  • Pool Covers
  • Pools
  • Inflatables
  • Screens
  • Shades/Tension Structure
  • Shelters Structures
  • Signs
  • Tarpaulins/Covers
  • Tents
Seam Type:
  • Butt Seam Butt Seam
  • Channel Seam Channel Seam
  • Coverstrip Coverstrip
  • Fin Prayer Seam Fin Prayer Seam
  • Hem Hem
  • Hem with Pocket Hem with Pocket
  • Hem with Rope Hem with Rope
  • Keder Keder
  • Overlap Overlap
  • Extrusion Beading Extrusion Beading
Features & Options

Features & Benefits

  • Universal usage for PVC, PU, TPU, reinforced technical textiles
  • Foldable large worktable with deep trough creating ample space behind the electrode for easy material handling
  • 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.
  • Manual, semi-automatic and automatic operation
  • 10" color touch screen HMI panel on a swing arm for use on any side of the machine
  • 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
  • Fully proframmable PLC with memory settings
  • RF emission protection.
  • Custom dies available for versatile production
  • Line up your material accurately every time with the joystick and foot pedal precision
  • 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
  • For welding non-RF weldable fabrics, the RFlex can be fitted with an impulse electrode


  • FREEWeld is an optional solution that allows for grounding emissions without lowering a grounding foot.
  • The FREEweld option eliminates the grounding foot needing to be perfectly flat on the table.  This enables the operator to make a wider range of products.
  • Creates a stronger, more aesthetic, weld with two parallel weld lines.

Technical Specs

Power Requirements

  • 240 Volts - Three Phase - 60 Amp.
  • 400 Volts - Three Phase - 40 Amp.
  • 480 Volts - Three Phase - 40 Amp.


Air Requirements

  • 2cfm @ 120psi

Output Power

  • 17kW - Efficiency of a 22kW machine. 


  • Width - 1.7m (66.9")
  • Length - 1.97m (77.5")
  • Height - 2.4m (94.5")


  •  1,100kg (2,425lb)

Electron Tube

  • Air Cooled Metal-Ceramic Triode

Antiflash System

  • Ultra Fast Solid State Arc Limiter


Control System

  • PLC & 10" Touch Screen HMI

Electrode Length

  • 1.19m (47")
  • Additional sizes available


Electrode Stroke

  • 0.16m (6.3")

Space Behind Electrode

  • 0.84m (33")

Work Table Dimensions

  • 1.6 x 0.8m (63 x 31")

Trough Size

  • 0.4 x 0.5m (15.75 "x 19.75")

Electrode Mount

  • QuickGRIP, pneumatic

Power Consumption

  • Approx. 22kW
Our Training Process

Trust Miller Weldmaster to get your started!


Schedule Your Training

A Miller Weldmaster certified field service engineer will contact you to schedule installation and training at your facility. 

Installation Preparation

We provide you with everything you need to know to get your team ready for installation and training.

Staff Training

Your staff will receive extensive instruction on welding equipment operation and maintenance and how to produce your product.



Machine Videos

  • Overview & How Tos
  • Training Videos
Most Versatile Radio Frequency Welding Machine
RFLEX - The Most Versatile Radio Frequency Welding Machine (RF/HF)
How Does RF Welder Work? - RFlex I Miller Weldmaster
Radio Frequency Sign & Billboard Welding Machine!

Service & Resolution Center

Our service team is dedicated to keeping our customer’s businesses running at optimal performance and assisting with any solutions you need. We are standing by to help you.

Contact Us Today!

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