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NLR
NLR used for the industry place that require sealed strictly. The damper blade move from opposite direction,which is consist of aluminum and is hollow inside,
this design can decrease the leakage efficiently
Key Feature
Used to shut off the air,In line with the DIN1946, airtight standard part Ⅳ , electric available (spring reset), or manual operation. Maximum to take over the work pressure is 1500 pa, free maintenance. Working temperature of 10 ℃ to 50 ℃.
•Body and attachments are made of galvanized steel. Air damper vane is made of galvanized steel plate, with thermoplastic elastic sealing strip.•
•Fast connection flange,damper shell leakage level II,accord with VDI 3803 or DIN V 24 194, the second part of the standard.
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