Nordfab® Flanged Blast Gates

Flanged duct Blast Gates (dampers) for use in process ventilation / dust collection systems. Manual or Automatic Blast Gates allow regulation of the volume of airflow through a section of ductwork. Diameters from 3" to 40". Gauges (wall thickness) from 22ga to 14ga. Flanges available with industry standard or custom hole patterns. Contact Nordfab for additional options.