Direct Fired Gas Hot Air Generator

Product Description

Frequently Asked Questions “ Direct Fired Gas Hot Air Generator

1. What is a Direct Fired Gas Hot Air Generator?
A Direct Fired Gas Hot Air Generator is a system where fuel (natural gas, LPG, etc.) is burned directly and the hot air produced is used immediately for industrial heating applications without a heat exchanger.

2. What are the common applications of this equipment?

• Spray drying

• Textile drying

• Chemical & pharmaceutical processes

• Paint booths

• Food processing

• Powder coating ovens

3. What type of fuel does it use?
This system typically uses:

• Natural Gas (NG)

• Liquefied Petroleum Gas (LPG)

• Propane

4. What are the advantages of a direct-fired system over an indirect one?

• Higher thermal efficiency (up to 90% or more)

• Faster heat-up time

• Compact design

• Lower fuel consumption

• Lower capital and maintenance costs

5. Is it safe to use in food or pharma applications?
Yes, but only for non-contact heating. For direct contact with air in food-grade processes, a clean combustion burner system is required”please consult us.

6. What safety features are included?

• Flame failure alarm

• Over-temperature protection

• Gas pressure regulator

• Emergency shutdown

• Flame sensor and controller

7. How is the hot air temperature controlled?
The system includes an automatic temperature controller with thermocouple or RTD sensor to maintain the set outlet temperature.

8. What capacity ranges are available?
Available in capacities from 50,000 kcal/hr to over 10,00,000 kcal/hr. Custom-built models are also available.

9. Is installation & commissioning support provided?
Yes, we provide full installation, testing, and commissioning support at your location.

10. What is the warranty period?
Standard warranty is 12 months from the date of dispatch. Extended warranty and AMC (Annual Maintenance Contracts) are available on request.