Welding Mini PreHeat Treating Systems for Preheat Post heat Stress Relief.

100 Amp 3 Phase 3 Pole 4 Wire input. with (4) Duraline 4FJ20 3 pole 4 wire output receptacles. A total of 24 heaters can be controlled with this panel. Heater voltage is 460 volts. This unit includes a Percentage Timer, which controls the heating time. This allows easy calibration of heat depending on each application required.  

Features & Benefits

• For dependable, closely controlled heating with all the economies of the electrical resistance method.
• Complete safety to personnel and equipment.
• Ease and speed of installation.
• Adaptability to jobs any size or configuration.
• Heating of sections of any thickness from 1/2 inch to 7 inches.
• Long service life and complete re-usability.
• Total application engineering service

When welding some base materials and for some service conditions, preheating and/or postweld heat treatment may be a requirement. These types of thermal treatments are generally required in order to ensure suitable weld integrity and will typically prevent or remove undesirable characteristics in the completed weld.