
Hot Air / Wedge Welding
Hot air rotary heat sealing is a welding process used to join thermoplastic industrial fabrics and films using very precise heat, speed and pressure settings. The correct combination of these three parameters allows one to achieve a complete weld. In the case of hot air, heat is provided by compressed air blowing across electrical heat elements and is injected at the welding point. The tightly controlled temperature can range from 1000Fto 1,3500F (400C to 7500C).
WELDMASTER. Miller Weldmaster, Hot Air Welding, Rotary Welding Principles. Hot air rotary heat sealing, Hot Wedge Welding. Miller Weldmaster Seamers, CS-112 Cross Seamer, T-100 Polyethylene & Vinyl Banner Making System.Model 112 Cross Seamer with Cutting System. Sign & Billboard Finishing Systems.Welding Acrylic, T-100 Universal Systems - 36" Throat ,T-500 Universal Systems, Extreme seam, T-300, T500, Impluse Sealer,
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Extreme Seam Welders: T300The T-300 combines versatility and accurately controlled operating parameters within an ergonomic design and interface for easy operation, speed, accuracy and productivity.
T-300 Extreme Edge; comes set up for high speed hem, pocket and rope-in-hem finishing of your banners, signs and printed media.
T-300 Extreme Curve; ships with everything you need to weld curves and unique shapes for the production of inflatable and bladder products.
T-300 Extreme Flex; is configured for a wide variety of overlap and edge seams for the produciotn of tents, tarps, covers and any other product you may have.
T-300 Extreme Shade; ships with everything you need to produce PVC and acrylic welded stationary and retractable awnings. the T-300 Shade is also configured for marine applications.
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T-500 Universal Welding systemAdapt your T-500 to fit your production needs!
Built for the toughest production demands, the T-500 gives you the versatility of a multi-function machine able to weld pre-cut straight seams or curves while also permitting continuous direct off roll welding for maximum seam production capabilities.
The T-500 System permits fabric up to 81" in width to pass through the throat without folding. The T-500 'build your own system' also allows you to expand and grow your own system to meet your ever changing heat-sealing needs. You can choose any of our proven lower-welding arm configurations or the travelling carriage and easily add them to your T-500 system at any time.
The T-500 is designed to weld hems, hems with rope, hems with pockets, overlaps and many more.




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Seal-Star Hot Air Seam SealerSeal-Star SSCS-25 is a high quality versatile seam sealer suitable for:
- Rainwear
- Bags
- Wetsuits
- Waterproof Covers
- Inflatable toys etc.
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Extreme Seam Welders: 112 ExtremeThe 112 Extreme is the next generation of the popular 112 Cross Seamer. The 112 Extreme has a larger widespan of production capabilities and is easier for the operator to use. With precision-controlled welding parameters, easy recall settings and an ergonomic design, the 112 Extreme is built to take production and efficiency to the next level.
Used for the production of:
- Tarps
- Tents
- Signs
- Large panels
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Extreme Seam Welders: Impulse SealerThe Impulse Extreme incorporates an effective thermo-impulse sealing technology with precision controlled welding parameters that will create the best looking and strongest awning and sign seams. The Impulse Extreme is ergonomiclly designed for easy use and operation.
The Impulse Extreme can weld:
- Awnings
- Signs
- Digital textiles
- Tents
- Tarps
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Triad Wedge WelderA proven and versatile automatic wedge welding system for in-house fabrication.
The Triad Wedge Welder will weld PVC, PE, PP, Urethane and many other weldable flexible membranes. It can also weld supported and non-supported material in thickness of 5 - 100 oz and is designed to be portable and user friendly.
- Smokeless and Noiseless
- Fast (weld 12 - 14 oz material at approx. 20' per minute, thinner materials at a max speed of 30' per minute)
- Runs on the floor or bench. Track system and vacuum table system also available.
The Triad Wedge Welder can produce the following welds:
- Overlap weld (1/2" to 2" weld width)
- Hem Weld (Adjustable)
- Fin Weld (1/2" to 2" weld width)
- Tube Weld (1 1/2" diameter and up)
- Sleeve Weld (1" diameter and up)
- Insert Cable Weld (Insert cable into hem while welding 7/8" max)
- Tape Weld (Up to 2" solid weld width)
- Channel Weld (with split wedge for air channel testing)
The Triad has been used to produce:
- Tents
- Tarpaulins
- Awnings
- Flags
- Banners
- Liners
- Covers
- Curtains
- Bags
- Tubes etc
For further information you will find a video at: www.sineqco.com
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Hand Held Hot Air Welding ToolsThe Volcano range of hand held hot air welders are available in 1000W, 1600W and 3000W.
A range of nozzles are available to suit various applications.
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Volcano 10ACThe Volcano V10AC is for use with an air compressor only.
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For enquiries and advice call, email or visit High Frequency Electronics 
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