Rectangular fire damper CU2 ATEX

Explosion protected fire damper for use in zone 1,2 (gas) and zone 21,22 (combustible dust). BENEFITS ATEX certificate TÜV 14 ATEX 7540 X FEATURES Suitable for built-in installation Minimal distance allowed Suitable for rigid wall, rigid floor and light wall (metal stud gypsum plasterboard wall, gypsum blocks) Sealing with fire resistant stone wool boards allowed, also for asymmetric opening Air tightness in accordance with EN 1751: class B (class C in option ) Tested according to EN 1366-2 up to 500 Pa Operating mechanism outside the wall Maintenance-free For indoor use Operating temperature: max. 50°C Intermediate dimensions on request Hygiene certificate for CU2: H > 600 or W > 800 (option when ordering)