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Miayaya 4" HVAC Duct Manual Volume Damper Air Volume Flow Rate Damper Duct Galvanized Adjustment Airflow Backdraft Damper Control for Air Ventilation System
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*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
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Miayaya 4" HVAC Duct Manual Volume Damper Air Features
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[Manual Volume Damper Size] The specification of the volume damper is 100 mm/3.94", the outer diameter of the interface is 97 mm/3.82", and the overall size is 200 x 1 mm/7.87 x 0.04".
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[Galvanized Material] Made of durable galvanized iron, it has high hardness, high temperature resistance, is not easy to deform and fade, is moisture-proof and corrosion-resistant, and can be used for a long time.
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[Manual Adjustment Handle] The side rotating handle with a scale can accurately adjust the air volume from multiple angles, making it easy to operate.
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[Leakage Prevention] The blade is equipped with a sealing ring, with good sealing performance, and the internal joints are equipped with silicone plugs, ensuring zero leakage.
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[Installation Instruction] The operation is simple, just slide the volume damper into the connected pipe, and fix it with pipe clamp and tape.
About Miayaya 4" HVAC Duct Manual Volume Damper Air
Feature: Ventilation System Essential --Duct manual volume damper is widely used in the HVAC industry for air volume regulation in ventilation systems. By installing it in the HVAC system, you can easily control the air flow rate or close the air duct when needed, which to some extent improves the energy efficiency of the system. Excellent Quality --Made of high-quality thickened galvanized material, it is not easy to rust and resistant to high temperatures. And it is equipped with sealing rings and silicone plugs to achieve multiple protections and prevent leakage. Manually adjusting the scale of the handle is clear, which can help you adjust the air volume more accurately. Diverse Uses --Connect to the air duct to adjust the air volume, suitable for adjusting the air volume or return air volume of branch air ducts. Suitable for dryer vents, exhaust, extractors, heating systems, fans, vents, and other residential, commercial, and industrial HVAC systems. Packing List: 1 X Duct Manual Volume Damper
