Hot Air Welding, Hot Wedge Welding

T300 Extreme Keder

T300 Extreme High-Speed Keder Welding System

A complete, automated system for high speed single or double keder production. The T300 Extreme Keder System is built to weld keder as fast as possible. With welding speeds up to 100ft per minute, the T300 Keder system will make rolls of keder as fast as your customers order them. The oscillating rewind and controlled fabric payoff system ensures you have a quality roll of keder every time.
Best For:
  • Keder
  • Pool Covers
  • Shelters Structures
  • Tents
Seam Type:
  • Keder Keder
Features & Options

Features & Benefits

  • Quick change of guides for making both single and double flap keder
  • Unwind system to ensure accurate production every time
  • Oscillating rewind makes sure your roll of keder is evenly wound
  • T300 can be used for welding overlaps and other seams to handle any customer request
  • Available in hot air, hot wedge or both for optimal product versatility
  • Easy operation touch screen with recipe storage for quick setting recall
  • Heavy duty and light duty options available
  • Can be custom designed to your specifications

Technical Specs

Power Requirements

  • 208 - 240 Volts - Single Phase - 25 Amp.
  • 380 - 400 Volts - Single Phase -15 Amp.

Air Requirements

  • 8cfm @ 100psi

Power Consumption

  • Approx. 6kw

Maximum Temperature

  • Hot Air: 750˚C (1,346˚F)
  • Hot Wedge: 450˚C (842˚F)

Throat Width

  • 1m (39")


  • Width: 0.6m (23")
  • Length: 1.5m (59")
  • Height: 1.5m (59")


  • 231kg (509lb) - T300 only

Seam Width

  • 10 - 50mm (1/2 - 2”)**

Welding Cycle

  • Up to 30m/min (100ft/min)*

* Depending on the application, the seam width and the type of material used
** Additional guides might be necessary
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
T300 Keder
Make Keder All Day, Every Day
Keder Making - T300 Extreme
T300 Extreme Making Keder
Automated Hot Air Welder for Single or Double Keder Production I T300 Extreme Keder
Acrylic Welding Set Up - Triad Awning
Wedge Alignment I Miller Weldmaster
Tech Tip I Start Weld Edge Fabric I T300 Extreme
T-SERIES I How to Adjust your Hem Guide I Miller Weldmaster
Tech Tip I How to Tighten your Weld Rollers I T300 Extreme
Changing Heat Systems on T300 I Miller Weldmaster
Explaining the Upper Roller Speed

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!

Ready to get started or just have more questions for us? Simply fill out this form and we will be in touch with you shortly.