A driving circuitry of boiler damper automatic control system suitable for field application is designed and tested, which is successfully applied to real control system.

Gas fire controller has various functions such as failure alarm, closing blower fan and fire damper, and can feedback manual, automatic, alarming, failure and spray signals to the fire control centre.

8226; Product description: Automatic fire damper blade roll forming machine run by chain drive types, it can suit different production requirement.