HVAC Duct Metal Air Disc Valve, Steel Supply Round Disk Valve

HVAC Duct Metal Air Disc Valve, Steel Supply Round Disk Valve. Galvanized Steel Material: Made of rustproof galvanized steel with removable core and collars. Adjustable Air Volume: Air volume can be adjusted by rotating the valve disc clockwise or counter-clockwise. Multiple Size Options: Available in 5 standard sizes ranging from 4 inches to 8 inches. Customizable Colors: Color customization available in RAL 9010, RAL 9016, and RAL 9003. Versatile Application: Suitable for hotels, apartments, halls, and hospitals as fresh air outlet or exhaust inlet. Professional Manufacturer: Over 15 years of experience with sales in more than 70 countries. Flexible Customization: ODM service available with flexible customization options for logos and designs. Strict Quality Control: Every product undergoes 100% visual and function inspection before delivery.