LTH-Hanse TopSchott Fire Protection Flap Ventilation DN 80 to DN 200 (200 mm)

Description

Fire protection for ventilation systems according to DIN 18017-3 approval number Z-41.3-689. For point 5. Provisions for use and maintenance of the approved shut-off device of the type ST-ADW with the approval number Z-41.3.689 we explain below: the shut-off device of the type ST-ADW is based on the Full cut cut cut Vallen Due to the smooth-walled protective tube between the connection brackets, the components of the closure element, the tension spring and the safety fuse are protected from dirt or dirt. A free cross section of the main cable is retained, as no components of the shut-off device protrude into the free cross section. The safety fuse consists of brass elements, which are joined together to form a safety fuse by means of a special soft solt. The other components of the ST-ADW shut off device are corrosion-resistant or made from non-rusting materials. Due to the selected design and the materials used of the shut-off device, actuation or check is not required. For the ventilation system itself, from a hygienic point of view, the VDI Directive 6022 must be considered. Furthermore, the recognised rules of technology, DIN 18017-3 or DIN 1946 must be taken into account. Features: the ST-ADW shut-off device with the construction approval number Z-41.3-689, is intended for use in ventilation systems in the type according to DIN 18017-3. It may be connected in bathrooms, toilets rooms, kitchens (no commercial kitchen) and storage rooms can also be used for the supply and exhaust air of these rooms, location-independent installation horizontal, vertical and GrGrGrGrGrGrGrCross section no additional pressure losses, no additional mounting devices such as mounting brackets required, the screw connection can be done through the hollow rivets, compact design only 25 mm high