Self Igniting Torches

 

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This photo shows the test setup we used. The TM2000-357 torch is heating one side of the copper plate and the CEM InfraRed Thermometer is measuring the temperature directly on the opposite side. The CEM is 6" away from the plate and has a 0.5" measurement circle on the plate. The CEM has a laser pointer so you know where you are measuring the temperature. We always search for the maximum temperature during these tests to be objective in the measurements. This is a very fair test because we are measuring the work piece temperature, and the test results will be very repeatable. We measured the temperature every 30 seconds. Every time we run a test, we cooled the plate in a bucket of water and let the plate stabilize at room temperature.

Graph showing Test Data  (Acrobat 5.0 PDF File)

Table showing BTU calculations  (Acrobat 5.0 PDF File)

Raw data for graph  (Acrobat 5.0 PDF File)

When compared to CROSSTECH 357 SELF IGNITING PROFESSIONAL TORCHES, the #1 brand and #2 brand torches are  NOT superior to ours. It is true that the TM2000-357 torch has a higher BTU rating then either torch, but also as expected, the TM2000-357 torch heats the work piece faster and has a higher work piece temperature.

bulletThe TM2000-357 torch reaches a final temperature of 804oF
bulletThe TM2000-357 torch reaches the #1 brand final temperature of 752oF 2.5 times faster.
bulletThe TM2000-357 torch reaches the #2 brand final temperature of 715oF 3.6 times faster.

We believe the reason for the CROSSTECH PROFESSIONAL TORCHES have excellent performance is because of our higher flame speeds and laminar flow though our flame stabilizers which we have been using since 1978. We have never had to improve the stabilizers in our designs nor the venturi used in our torch tips.

Our test work pieces are probably on the extreme size because the temperatures attained were below those necessary for silver brazing. They however provide a fair comparison between the products tested.