HVAC duct manual air volume control valve is used to adjust and control the air volume in heating, ventilation, and air conditioning systems. To adjust the air volume in the HVAC system and balance the air flow distribution, thereby improving the energy efficiency of the system to a certain extent.SpecificationColor: Silver, Blue/BlueMaterial: Galvanized IronAdjustable Angle: 90 DegreeThickness: 1 mm / 0.04 inchOuter Diameter: 75 mm / 3 inchLength: 200 mm / 8 inchPacking List: 1Pcs x Duct Manual Volume DamperAdvantagesDuct damper is made of durable galvanized iron, with high hardness, not easy to deform, anti-corrosion, high temperature resistance, anti-fading, and long service life.
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