Features

Overflow valve ÜV 200 B consisting of pipe sleeve with inserted fire damper element BAK 200. Overflow valve preferably used in buildings with smoke protection pressurisation systems (RDA) or stairway scavenging air systems (TSA), as an overflow valve e.g. in walls between anteroom and required corridor or between anteroom and usage unit. Overflow valve for air connection between two rooms. Enables pressure equalisation and ensures a purge air volume. Reduction of door actuating force and safe closing of doors. Use in accordance with Chapter 8 (pressurised ventilation systems) in Annex 14 of MVV TB. BAK fire damper element with thermal release device (fusible link) as a shut-off device to prevent fire and smoke, for installation in walls that serve as fire compartments with the required fire resistance class K90-4102 or EI 90-1366. To be installed in the following interior components: concrete/porous concrete, plasterboard fire protection panels, non-combustible cement/gypsum-bonded building panels, in each case at least fire resistance class F90 (fire-resistant), corresponding to F90-A, with a minimum wall thickness of 100 mm. Can be extended with metal disc valve as required accessory, for locking and protection against tampering and damage by unauthorised persons. The permissibility of the application must be checked and approved by the responsible building supervisory authority in the application case.