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.
