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Fluoroplastic Belt Splice, FLEXXCEL Heat Seal Iron

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FLEXXCEL Heat Seal Iron

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U.S. Bellows manufactures high-performance fabric expansion joints for industrial applications. These expansion joints often require thermal-welding (heat seal splice) in field service. Cost effective and easy-to-use heat seal irons are available from U.S. Bellows for use with FLEXXCEL materials.

The main function of a heat seal iron is to introduce enough heat to allow a proper bond between PTFE surfaces of FLEXXCEL materials. The melting point of PTFE is around 621°F (327°C). However, the setting of a heat seal iron is determined by factors like ambient temperature, thickness of bonding materials, and the surface upon which you heat seal. Applying pressure can help facilitate a good bond, but in order to achieve a correct bond, the melting point of the U.S. Bellows FLEXXCEL materials must be achieved.

Safety Precautions

Experience has shown fluoropolymers can be processed and used at elevated temperatures without hazard if proper ventilation is used. Make certain all heat sealing is performed in well ventilated areas. Make certain the heat sealer is safely handled during use. The heat sealer temperature will reach 725°F in normal operation. Special care must be taken with the heat sealer during handling due to the high temperature.

FLEXXCEL Heat Seal Iron Operation

Heat Seal Iron Kit

To operate the Heat Seal Iron, follow these instructions:

  1. Plug the unit into an electrical outlet.
  2. Place the Heat Seal Iron on the FLEXXCEL
  3. Backer Board or another insulated surface.
  4. Push the toggle switch up to the "on" position.
  5. Set the temperature by turning the dial to the desired temperature. A temperature range of 700°-740°F (370-385°C) is typical for splicing FLEXXCEL materials.

The unit contains two lights, a "heat up" light and a "ready" light. The "heat up" light will remain lit until the unit reaches the set temperature, at which point the "ready" light will go on.

heat seal splice exploded

Upon purchase or rental of a Flexxcel Heat Seal Iron, U.S. Bellows will supply detailed Heat Seal Splice instructions specific to the belt material that you purchase. These instructions will include text, photos and drawings.

heat seal splice exploded

U.S. Bellow will supply a test splice kit utilizing state of the art material—ensureAsplice, which will virtually guarantee that you will perform a successful splice. Detailed test splice instructions will be included.

Product Specifications

Product 3x6 Heat Seal Iron
Platen Dimensions 3” x 6” (75 x 152mm)
Supply Voltage 120 Volts or 240 Volts
Current 7.1 AMPS @ 120 Voluts
3-1/2 AMPS @ 240 Volts
Controller Fenwal Series 54-4
Weight 12.5 lbs (5.7 KG)
Wattage 850 Watts
Frequency 60/50 Hz

Purchase or Rental?

Purchase - FLEXXCEL Heat Seal Irons can be purchased for $1,695. If the iron is purchased, it should be stored for all future belt installations, or for emergency repairs.

Rental - Flexxcel Heat Seal Irons can be rented for $150 per day with a minimum 3 day rental. The iron will be inspected upon return. The Iron must be returned in good working condition.


Contact Us: +1 (281) 241-9418 Toll Free: (855) 591-0906 Fax: +1 (713) 731-8640
Our Parent Company: Piping Technology Pipe Supports, Pipe Clamps, Pipe Hardware & Insulated Pipe Shoes
Fellow Subsidiaries: Sweco Fab: ASME Vessels, Pig Launchers, Duct Work, Strainers & Spectacle Blinds
 Pipe Shields: Pre-Insulated Pipe Supports, Slides, Guides & Anchors

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