Process Duct Heaters On Heatrex, Inc.

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	Process Duct Heaters
	ON/OFF process temperature control is recommended for less demanding applications. Systems with two or more heating stages utilize an INDEECO Controls electronic sequencer (step controller), driven by an analog output PID temperature controller to minimize the amount of load cycling while providing good outlet temperature control. A fully proportional SCR control system with PID temperature control is recommended for industrial heating applications which must accommodate material flow changes and provide the highest degree of accuracy for outlet temperature control.

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		250°F Finned Tubular Heaters (109) Low temperature heaters, suitable for 250°F maximum outlet air at 900 SFPM minimum airflow, are available in both open coil and finned tubular constructions. Features : The steel flange is omitted. The heater is attached to the oven or duct wall with sheet metal screws through the base of the terminal box. Finned tubular elements are individually field replaceable. The terminal box has 1" of insulation. A galvanized steel channel frame is provided on three sides, with the element support brackets. Search 250°F Finned Tubular Heaters - 109 Items




		250°F Open Coil Heaters (109) Low temperature heaters, suitable for 250°F maximum outlet air at 900 SFPM minimum airflow, are available in both open coil and finned tubular constructions. Features : The steel flange is omitted. The heater is attached to the oven or duct wall with sheet metal screws through the base of the terminal box. Individually field replaceable open coil element. The terminal box has 1" of insulation. A galvanized steel channel frame is provided on three sides, with the element support brackets. Search 250°F Open Coil Heaters - 109 Items




		400°F Finned Tubular Heaters (109) 400°F maximum outlet air temperature at 900 SFPM minimum airflow. Features : Mounting flanges to mount heater to the oven or duct. Individually field replaceable finned tubular elements. Terminal box has 1" of insulation. Aluminized steel construction. Search 400°F Finned Tubular Heaters - 109 Items




		400°F Open Coil Heaters (109) 400°F maximum outlet air temperature at 900 SFPM minimum airflow. Features : Mounting flanges to mount heater. Individually field replaceable open coil elements. Terminal box has 1" of insulation. Aluminized steel construction. Search 400°F Open Coil Heaters - 109 Items




		600°F Finned Tubular Heaters (126) 600°F maximum outlet air temperature at 900 SFPM minimum airflow. Features : Mounting flanges to mount heater. Individually field replaceable finned tubular elements. Terminal box has 1" of insulation. Aluminized steel construction. Search 600°F Finned Tubular Heaters - 126 Items




		600°F Open Coil Heaters (126) 600°F maximum outlet air temperature at 900 SFPM minimum airflow. Features : Mounting flanges to mount heater. Individually field replaceable open coil elements. Terminal box has 1" of insulation. Aluminized steel construction. Search 600°F Open Coil Heaters - 126 Items




		750°F Tubular Heaters (99) 750°F maximum outlet air temperature at 1200 SFPM and 900 SFPM minimum airflow. Features : Mounting flanges to mount heater. Individually field replaceable finned tubular elements. Terminal box has 1" of insulation. 304 stainless steel construction. 30 watts/sq. inch or 22 watts/sq. inch. Search 750°F Tubular Heaters - 99 Items




		750°F Open Coil Heaters (89) 750°F maximum outlet air temperature at 1200 SFPM minimum airflow. Features : Mounting flanges to mount heater. Individually field replaceable open coil elements. Terminal box has 1" of insulation. 304 stainless steel construction. Search 750°F Open Coil Heaters - 89 Items




		1200°F Tubular Heaters (98) 1200°F maximum outlet air temperature at 1600 SFPM minimum airflow. Features : Mounting flanges to mount heater. Individually field replaceable tubular elements. 4" of insulation below mounting flanges. 304 stainless steel construction. Search 1200°F Tubular Heaters - 98 Items




		1200°F Open Coil Heaters (96) 1200°F maximum outlet air temperature at 1600 SFPM minimum airflow. Features : Mounting flanges to mount heater. Individually field replaceable open coil elements. 4" of insulation below mounting flanges. 304 stainless steel construction. Search 1200°F Open Coil Heaters - 96 Items




		Process Duct Heater Control Panels ON/OFF process temperature control is recommended for less demanding applications. Systems with two or more heating stages utilize an electronic sequencer (step controller), driven by an analog output PID temperature controller to minimize the amount of load cycling while providing good outlet temperature control. A fully proportional SCR control system with PID temperature control is recommended for industrial heating applications which must accommodate material flow changes and provide the highest degree of accuracy for outlet temperature control.