The manual air valve can accurately control the air flow rate and flow direction to ensure stable and efficient operation of the ventilation system. Whether it is a factory workshop, a commercial building, or residential fresh air system, it is necessary for its control over the circulation of the air.
Specification
Color: Silver
Material: Galvanized iron, Silicone
Flange Outer Diameter: 260 mm / 10.24 inch
Duct Damper Outer Diameter: 200 mm / 8 inch
Thickness: 1 mm / 0.04 inch
Length: 190 mm / 7.48 inch
Packing List: 1Pcs Duct Backdraft Damper
Advantage
MATERIAL: The main body is made of galvanized iron, which has strong anti-rust ability, can effectively resist moisture, acid and alkali corrosion, adapt to a variety of complex environments. The silicone seals are tightly fitted, which can greatly reduce air leakage and ensure stable operation of the ventilation system.
FLEXIBLE OPERATION: Manual operation method, by rotating the handwheel or handle, the air volume can be flexibly controlled, without the need for complex electronic control equipment, making the duct damper convenient for staff to make quick adjustments.
Instruction
1. Select an air valve with adaptive specifications according to the diameter of the ventilation pipe. After cleaning the connecting parts of the pipe, use flanges and bolts (not included) to closely connect the air valve to the flanged pipes to prevent air leakage.
2. Position the air duct valve on accessible place and reserve sufficient maintenance space,turn the handle to adjust the air flow based on your requirement.
Note
Please check the size carefully before ordering.
Manual operation method allows flexible control of air volume without complex electronic control equipment.
Suitable for exhaust fans, ventilation openings, and circulation systems in bathrooms, kitchens, and factories.
Made of galvanized iron with strong anti-rust ability and silicone seals to reduce air leakage.