DFF constant air volume control damper    Shinelong-14

Material : Galvalized steel sheet

size: (WxH) 100x100 – 600x600

features: the air volume control of the constant air volume damper that is no need of plus power, which depends on the airflow pressure of the air duct, blades of the damper, air bag, springpiece, baffle and cam to control the open position of the damper blades, and keep the constant air volume.