Stelter & Brinck

Since 1956

Direct vs. Indirect Fired Air Heaters What is the difference?

Stelter & Brinck

Since 1956

Direct Fired Air Heaters

• These heaters are used where a hot air source is required and the process will not be effected by products of combustion.

Gun Style Air Heater- Direct Fired

Stelter & Brinck

Since 1956

Industry Applications of Direct Heaters

• Ceramics• Printing • Coating• Cement Production• Composite Curing• Fertilizer Production• Clay• Sand

Stelter & Brinck

Since 1956

Indirect Fired Air Heaters

• Used as the hot air source for chemically sensitive products. – Chemically sensitive means that

the end good is affected by the by products of combustion; the taste, smell, chemical make-up, ect. will be negatively affected if these products are processed with a direct heater.

Indirect Air Heater

Stelter & Brinck

Since 1956

Indirect Air Heater Industry Applications

• Food Processing•Grain/Fiber Drying•Dairy Drying• Pharmaceuticals• Tobacco• Chemical Production•Hydrated Lime Drying

What is your application?Do you need a direct or indirect heater

for your hot air source?

If you need help with your process heater selection, feel free to contact us!

Since 1956

Stelter & Brinck

http://www.stelterbrinck.com/contactus.htm 513-367-9300

Stelter & Brinck

Since 1956

Thank you!

Website: www.stelterbrinck.comTwitter: @stelterbrinckPhone: 1-513-367-9300

Check out S&B’s Blog Post: http://www.stelterbrinck.com/blog/type-process-air-heater-right-application/