purpose

·The outer frame is made by fully riveting, without any welding points, which improves its corrosion resistance.

·In air conditioning and ventilation ducts, installing this product can control the air volume by opening and closing the valve blades at different angles

·Manual multi blade regulating valves can be installed in square or rectangular cross-sectional air ducts.

·By driving the angle of multiple blades through a linkage mechanism connected to the handle, the air volume can be controlled to enhance the adjustment effect

Structural diagram of manual single leaf regulating valve

Structure diagram of manual multi leaf regulating valve