QD-DFL Series Positive Pressure Damper
The positive pressure damper is designed to control the internal pressure within the cleanroom or purification workshop to retain a constant positive pressure and prevent intrusion of contaminated air.
- The positive pressure damper can be mounted on a wall 30-50mm thick.
- The heavy hammer position is modified via the air volume and differential pressure.
- It features a tight closing performance, flexible rotation, easy adjustment and no energy consumption.