Function:
1. Adjust or control the air volume inside the ventilation pipe
2. Adjust or control the air volume which blow in or out of the air condition3. Manually and electric operation mechanism for you to choose. Automatic control system can support the use of electric operation mechanism.
4. There's no welding point due to it is all machanical production.
5. Product size is depend on user's choose.
application area:
1. Used for main、branch air pipe of ventilation system which in various air condition.
2. Fresh air, exhaust air, return air mixing in accordance with the ratio of air condition units.
Production material:
1. Common galvanized、hot galvanized plate、stainless steel plate.
2. Axle between blade and frame is made of hot galvanized plate or stainless steel
3. The rotary sleeve between the blade shaft and the frame is made of nylon.
