Watlow Heater Catalog

Cartridge/Insertion Heaters

E xtended C apability

Extended Capabilities for High-Temperature (HT) FIREROD ® Heaters Options • Thermocouples • Independently controllable heat zones • Distributed wattage • Flanges

Maximum Allowable Watt Density - Heating Metals

0.100 0.090 0.080 0.070 0.060

• Post terminals • Bent FIREROD

0.050

To consider the HT FIREROD for your application, use the recommended Maximum Watt Density graph shown.

0.040

0.030

1300 ° F 1200 ° F

0.020

1500 ° F

1600 ° F

1400 ° F

Fit in Hole (in.)

0.010 0.009 0.008 0.007

0.006

0.005

30

40

50 60 70 80 90 100

Watt Density—W/in 2

Note: Extended capabilities are subject to a business case review.

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