الوصف

 Features: 1) The quality of the airflow damper is reliable and it is easy for operation. 2) The power supply can be **0V or **0V and the blade material can be decided by the customer. 3) The damper is made of galvanized steel plate and it looks good and it is durable. 4) The steel blade is reinforced to increase its rigid character. 5) The round wind damper or less than **0mm single blade damper can also be called as butterfly valve. The butterfly valve is different from the opposed multi-blade regulating damper. 6) There are elastic sealants on both sides of the blade to increase the sealing. character for the opposed multi-blade regulating damper. 7) The gap between the blade and the damper itself is made as small as possible when the damper is closed due to high quality copper blade is used.