Technical data
VENTILFLEX®
| Essential characteristics | Performance | Harmonized technical document |
| Flow resistance | Circular: ξ=0.43; r=0.2 mm Rectangular: ξ=0.59; r=0.4 mm | EN 13216-1: 2019 |
| Reaction to fire | B – s2 d0 | EN 13501-1:2019 |
| Heat conductivity | 0,27 W/mK | EAD 360032-00-0803 |
| Coefficient heat expansion | 24 x 10-6 m/mK | EAD 360032-00-0803 |
| Wall thickness | 3 mm | EAD 360032-00-0803 |
| Air tightness (-1000/+2000Pa) | Circular: D Rectangular: D | EN 12237: 2003 |
| Range of diameter | 80 – 800 mm | ETA – 21/0300 |
| Maximum hight | 100 m | EAD 360032-00-0803 |
| Maximum inclination | 45° | EAD 360032-00-0803 |
| Abrasion / cleaning | OK | EN 1457-1: 2012 |
VENTILFLEX® RKV
| Essential characteristics | Performance | Harmonized technical document |
| Flow resistance | Circular: ξ=0.87; r=3 mm Rectangular: ξ=0.86; r=1.6 mm | EN 13216-1: 2019 |
| Reaction to fire | A2 – s1 d0 | EN 13501-1:2019 |
| Wall thickness | 5 mm | EAD 360032-00-0803 |
| Air tightness (-1000/+2000Pa) | Circular: Diam.: 0 – 300 mm : D Diam > 325 mm : C Rectangular: D | EN 12237: 2003 |
| Range of diameter | 80 – 800 mm | ETA – 21/0300 |
| Maximum hight | 100 m | EAD 360032-00-0803 |
| Maximum inclination | 45° | EAD 360032-00-0803 |
| Abrasion / cleaning | OK | EN 1457-1: 2012 |