Weather protection flaps (closing dampers) for fans
| Physical Properties | |
|---|---|
| design type | Protection flap |
| material | plastic |
| nominal size | 250 mm to 500 mm |
| color | RAL 9001 |
| design type | |
| ventilators | description |
Series L |
|
| LE254,LD252 | VK250 |
| LE304,LD302 | VK300 |
| LE354,, LD352 | VK350 |
Series K |
|
| KD254, KE254,KD252 | VK250 |
| KD304,KE304,KD302 | VK300 |
| KD354,KE354,KD352 | VK350 |
Series M |
|
| KD354, ME354 | VK350 |
| MD404, ME404 | VK400 |
| MD454, ME454 | VK450 |
Series G |
|
| GD404, GE404 | VK400 |
| GD454, GE454 | VK450 |
| GD504, GE504 | VK500 |
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