 Open to innovation, closed to fire
    Open to innovation, closed to fire
        
        
        
            
            
                
                    
                    
                    
                    
                    
                        
                                
                                
        
        
            CU4 -
            Features
        
        
                    
                Features
                
                    
                                                                                    - Suitable for built-in installation
- Air tightness in accordance with EN 1751: class ATC 4 (formerly B), class ATC 3 in option (formerly C)
- 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
- Suitable for installation in rigid wall
 
             
        
        
                    
                Components
                
                                            
                            
                                 
                            
                        
                                        
                                                                                    - Connection flange PG30
- Casing made of refractory material
- Damper blade
- Operating mechanism
- Sealing cold smoke
- Blade bumper
- Intumescent strip
- Transmission with locking (open/closed)
- Fusible link
- Product identification