Combustion air systems for recuperative furnaces

  • Operating and reserve fans
  • Switch cabinets for inverter operating ventilator drive motor
  • Electrically- or pneumatically-operated throttle valve with automatic transfer to the reserve ventilator with immediate messaging to the process control system
  • Cold air ducting to the recuperator
  • Airflow sensing by means of a suction side inflow measuring nozzle or measuring orifices in the discharge side cold air ducting
  • Hot air ducting made from heat resistant stainless steel from the recuperator to the burner
  • Equipped with hot air throttle valve, control butterfly valves, stainless steel compensators as well as the necessary fixed and mobile bearings to attach the ducting