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Get it between 2024-12-20 to 2024-12-27. Additional 3 business days for provincial shipping.
Material: Galvanized Iron; Color: Silver Tone; Inner Diameter of Interface: 194 mm / 7.64 Inch; Outer Diameter of Interface: 201 mm / 7.91 Inch; Length: 190 mm / 7.5 Inch; Packing List: 1 pcs Manual Volume Damper
Advantage: Made of durable Galvanized Iron, durable material for long-lasting performance. Constructed with sturdy components to ensure reliability, can be used for a long time. Smooth interface, easy disassembly. Manual operation of the adjustable valve allows easy and efficient adjustment of air volume according to specific needs. There is a rubber sealing ring inside our damper sleeve, which is airtight and can prevent from leaking when the air duct valve is closed.
Instruction: The side design has a rotating handle, can adjust the air volume from multiple angles, easy to operate. Easy to install, simply slide it directly into your ventilation pipe, and then use the pipe clamp and tape for a secure fit.
Application: The manual volume damper is used for air volume regulation in an air ventilation system, widely used in HVAC industry. With that installed in your HVAC systems, you can easily control the air flow rate or close off an air duct if needed, to some extent, it will increase the energy efficiency of your system.
Notice: Please confirm the outer diameter of the backdraft damper before placing an order.