Industrial Air Heater/ Gas Heaters / Hot Air Generator Systems AVM offers a wide range of customized Heating Systems and plants machinery with a variety of configurations.Types of Indirect Heated Air Systems / Gas Heating Systems Offered: Multiple concentric shells type. Shell tube type. Multi - coils in shell type. External recuperator type. Tube bundle over combustor bed. Finned tube type air heaterTypes of Direct Fired Air / Gas Heating Systems Offered: Single shell combustion chamber. F.B. combustor. Multiple concentric shells all metal construction (without refractory lining) Concentric shell type with refractory lining Duct mountedOperating Capacities of Heating Systems: Higher Air Flow rates can also be offered. Heated air temperatures up to 690 °C for an indirect type. Heated air temperatures up to 1500 °C for direct fired type.Types of Fuels / Heating Media for Heating Systems: Liquid fuels: HSD, light oil, heavy oil, SKO etc. Gaseous fuels: LNG, CNG, Propane, LPG, Producer Ga