AccuTherm Process Air Duct Heaters

AccuTherm is a specialist in designing and manufacturing quality process air duct heaters that heat moving air and gases up to 1200°F.  These heaters are suited to handle many industrial applications.  Process air duct heaters are installed into ducts and ovens for applications such as; air drying, curing paint and coatings, chemical and food processing and metal finishing.

Common Duct Heater Options

Here at AccuTherm all of our process air duct heaters have a few similar options:

• Moisture or explosion-proof wiring enclosure, NEMA 1 terminal enclosures are standard
• Gas tight construction on elements to flange
• High limit thermocouple attached to sheath of element
• Special voltage ratings and sizes
• Spare elements
• All stainless construction for high temperature or corrosive gases

Types of AccuTherm Process Air Duct Heaters

AccuTherm offers four different standard types of process air duct heaters:

Series DL Tubular Process Air Duct Heaters: stainless steel elements, stainless steel element support, painted steel support rods & flange, NEMA 1 terminal enclosure, and replaceable element design.  Operates at a low temperature up to about 500°F.

Features:

• 30 watts per sq. inch on sheath
• Stainless steel elements – 1200°F max. sheath temperature
• Stainless steel element support
• Painted steel support rods & flange
• NEMA 1 terminal enclosure
• Recompacted element bends
• Replaceable element design
• CSA certified with NEMA 1 housing

Series DM Tubular Process Air Duct Heaters: Incoloy 840 elements, stainless steel element support, stainless steel support rods, painted flange, NEMA 1 terminal enclosure, and replaceable element design.  Ability to operate at a moderate temperature to about 750°F.

Features:

• 20 watts per sq. inch on sheath
• Incoloy 840 elements – 1700°F max. sheath temperature
• Stainless steel element support
• Stainless steel support rods
• Painted steel flange
• NEMA 1 terminal enclosure
• Replaceable element design
• Recompacted element bends
• 1″ insulation in terminal housing

Series DH Tubular Process Air Duct Heaters: Incoloy 840 elements, stainless steel element support, stainless steel support rods, 3-1/2″ high temperature insulation below flange, NEMA 1 terminal enclosure, and replaceable element design.  It can operate at a high temperature to about 1200°F maximum.

Features:

• 20 watts per sq. inch on sheath
• Incoloy 840 elements – 1700°F max. sheath temperature
• Stainless steel element support
• Stainless steel support rods
• 3 1⁄2″ high temp. insulation below flange
• 1⁄4″ or 3⁄8″ thick painted steel flange
• Nichrome A resistance wire sized for low wire watt density
• Recompacted bends
• Replaceable element design
• NEMA 1 terminal enclosure

Series ILD In Line Tubular Process Air Duct Heaters: Incoloy 840 elements, painted steel frame, NEMA 1 terminal enclosure, and replaceable element design.

Features:

• 26 watts per sq. inch on sheath
• Incoloy 840 elements – 1700°F max. sheath temperature
• Nichrome A resistance wire
• Recompacted bends
• NEMA 1 terminal enclosure
• Replaceable element design
• Painted steel frame

Process air duct heaters may be suitable for your industrial needs!  To speak with an AccuTherm representative please visit www.accutherm.com.