Manual PP/PVC plastic round air duct dampers

Product Description

The manual PP/PVC plastic round air duct dampers are indispensable central air-conditioning terminal accessories in the ventilation, air schedules, and air purification projects of industrial plants and civil buildings. Generally used in air conditioning and ventilation system pipes to control the air volume of branch pipes. It can also be used for mixed dispatch of fresh air and return air.

Product Characteristics

(1) The manual PP/PVC plastic round air duct damper has four specifications when the blade width is all the same. The blade shape is a diamond-shaped double blade, and the blades are soft overlapped, so the sealing performance is excellent.

(2) The damper body frame of the air volume control valve is injection molded from polypropylene material, which has good sealing performance. The product itself has the characteristics of anti-acid and alkali corrosion and can be widely used in exhaust gas exhaust pipes.

(3) The takeover standard of the damper is the same as the rectangular air duct standard of the national ventilation duct standardization.

(4) The blades of the damper are side-opening and forward-opening, which are used as dispatching valves in ventilation, air dispatching, and air purification systems.

(5) According to the test, the air-tightness of the damper is good, its relative air leakage is about 5%, and the dispatching performance is good.