Unique Bargains - 7 Inch Duct Backdraft Damper, Manual Adjustment Airflow Volume Damper with Both End Flange for HVAC Ventilation Systems - Silver
Model: s26040200ux2926
SKU: 12549139
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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. 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.
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SPECIFICATION: Color: Silver; Outer Diameter: 175 mm / 6.89 inch; Inner Diameter: 8 mm / 0.31 inch; Thickness: 1 mm / 0.04 inch; Length: 190 mm / 7.48 inch; Packing List: 1Pcs Duct Backdraft Damper.
FEATURE: 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 it convenient for staff to make quick adjustments.
APPLICATION: This metal manual valve can accurately control the flow rate and direction of the airflow in the ventilation duct to ensure the stable and effective operation of the ventilation system. Suitable for exhaust fans, ventilation openings, circulation systems, etc. in bathrooms, kitchens, factories, and other places.
NOTE: Please avoid high temperature, flammable and explosive environments to install and reserve sufficient maintenance space.
INSTRUCTION: Choose an air valve matching the ventilation pipe diameter, clean the pipe connections, then use flanges and bolts to seal the valve to the pipe to avoid air leakage; turn the handle clockwise to reduce air volume and close the valve plate, or counterclockwise to increase air volume and open it.
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