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QD-DFL ​Series Positive Pressure Damper

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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.

QD-DFL ​Series Positive Pressure Damper
Features 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.
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Links：https://www.globefindpro.com/products/16881.html
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