Industrial Heater

Industrial Heater Help!?
I’m trying to develop a test that needs to heat air up to 900C. I was using a Dalton Cartridge heater but since I’m not using it as a immersion heater, they keep burning up around 400C.
Test Details;
Material_Heated: 409SS pipe 1.5mm wall 26mm OD
Volume_Flowrate: 8.6PSI with no air flow
Flows_Through: no flow – pipe is air tight
Dimensions: 409SS 1.5mm wall 26mm OD 24.5in long
Not_Insulated
Start_Temperature: 25C
Target_Temperature: 900C
Application_Factors: Sample is DRY with no air flow but is pressurized to 8.6PSI. Target temps are 600C, 750C & 900C for 1 hour soak at each temp.
Any help is appreciated.
You are using the wrong type of heater. Immersion heaters *will* burn up if not immersed.
Back in the day when I was doing heat-shrink work, we had a small industrial oven with holes drilled through it. If we needed to heat a section of pipe such as you describe it would be inserted through the holes (with the proper fittings) and heated as required. I believe the internal dimensions of the oven were 30″ wide by 24″ deep by 24″ high. The door swung down on sprung hinges.
This may be your solution.
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