Direct Fired Air Heaters are industrial heaters used in processes that, require a hot air source and, will not be effected by the products of combustion.

1. Direct Fired Air Heater Types
Process Air Heaters, Gas Fired Air Heaters
Direct Fired Air Heaters are industrial heaters used in processes that require a hot air source, and said
process will not be effected by the products of combustion. Direct air heaters apply heat directly to the
air stream and are used for applications such as: heat treating, curing, drying, and printing, to name a
few.
Stelter & Brinck designs, manufactures and services the 3 types of air heaters outlined below.
Duct Air Heaters
Stelter & Brinck’s Duct Heater Models: Fresh Air Duct Air Heaters and Recirculating Duct Air Heaters
Unique Duct Air Heater Features: Designed to fit right into the processes’ duct work. The fresh air duct
heater uses the oxygen present in the air stream, while the recirculating model is used for dirty air
streams and features a combustion blower.
Duct Air Heaters Applications: heat treating, baking, curing, drying, and many more.
Picture of a Duct Air Heater:
Gun Style Air Heaters
Stelter & Brinck’s Gun Style Air Heater Models: Gas Only, Oil Only, or Combination Gas and Oil Fired
Single Pass, Gun Style Air Heater
Unique Gun Style Heater Features: Gun Style Heaters are ideal for low oxygen content streams or air
steams with entrained dirt, which require larger mass flows and/or higher temperature, and/or fuel
oil operation.
Gun Style Heater Applications: Metal curing, annealing, smoldering, glass curing, ect.

2. Picture of a Gun Style Air Heater:
Packaged Air Heaters
Stelter & Brinck’s Packaged Air Heater Models: Natural Gas, Butane or Propane Fired, Heated with
Steam, Dehumidify or Reheat Air, and Heat or Cool with Liquids.
Unique Packaged Air Heater Features: Arrive on-site ready to be installed; packaged with all
combustion parts and controls and totally prepiped and prewired.
Packaged Heater Applications: Paint manufacturing, dye manufacturing, molds processing, ect.
Picture of a Packaged Air Heater:
For more information on Stelter & Brinck’s direct fired air heaters, please visit:
http://www.stelterbrinck.com/direct-fired-air-heaters.htm
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