Maximum Flow Air Heaters

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Choosing an Air Process Heater

Step-by-step breakdown of how to specify a heater that will work for your application.

Features

• Encased within a 2-3/8" outside diameter (OD) tube with a cross-frame heating element for minimum resistance to air flow
• Practical operating range of up to 200CFM with temperatures to 600°F
• Can supply a 4" OD mounting flange on one or both ends
• Available in aluminum or stainless steel
• Design includes a nickel-chromium heating element insulated by ceramic beads on a stainless steel support frame firmly secured to the inside of the tube
• Designed for high volume and moderate temperature
• Low pressure – for use with blowers and recirculating air

Wattage calculation and heater selection

For applications with input temperatures below 120°F, you can find the required wattage quickly by plugging the flow rate (R_flow, in SCFM) and temperature rise (Δ_T, in °F) into this formula:

Required kW = R_flow • Δ_T3,000 • 1.2

For detailed background on selecting a heater, see the article in the box on this page.

If you have any questions regarding air process heaters, please call us at 866-685-4443, send us an e-mail, or fill out one of our contact forms.

Specification Sheet