ER-APB shut-off device, ER-AP shutter
6 | Housing |
9.2 | Metal backflow preventer |
9.3 | Fixing screw for tab of the metal shut-off shutter |
10 | Exhaust socket DN 75/DN 80 |
- ER-APB with maintenance-free fire protection shut-off device against fire transmission.
With metal exhaust socket and metal shut-off shutter and soldered strut with soldered strut locking device. This is approved for a system with a fire-proof shaft.
Also pay attention to the safety instructions: ER-APB: Safety instructions for installation of the fire protection shut-off device.
- ER-AP plastic shutter with plastic exhaust sockets and plastic backflow preventer. This is approved for use with a ceiling barrier system or an air extraction system without fire protection.