MISSEL Fire Protection Sleeve for SML DN70 L:400 mm, MSA 4-BSM, # 254-2070

Missel Fire Protection Insulation Collar MSA® 4-BSM®
Fire protection insulation collar with sound decoupling for cast iron wastewater pipes da < 160 mm (DN 150), application according to the MLAR simplifications; open, seam-reinforced collar with integrated quick-release fastener, mineral non-combustible special fleece resistant up to 1,100°C according to DIN 4102 Part 1 and Part 17, externally reinforced by a tear-resistant grid fabric film, grid fabric knotted at the intersection points. Inside equipped with a sliding film.
The installation must be carried out according to the MLAR simplifications, ABP No. P-20170776 MPA Dresden. The contractor must certify the correct installation by a declaration of conformity after completion of the work.
When offering equivalent, alternative products, the following essential product characteristics must be observed and documented to the client in writing by manufacturer's certificates:
- robust, tear-resistant surface to prevent damage during the construction phase, this serves to avoid sound bridges
- reduced material thickness of 4 mm for space-saving installation, thus ensuring a clean, visible fire and smoke gas-tight backfilling of the component due to the larger intermediate distances from collar to collar.
- easy and quick installation due to tool-free quick-release fastener and suitable molded parts for bends and branches etc. to reduce installation times.
Special fleece, building material class according to DIN 4102: A1
Special fleece, melting point according to DIN 4102: > 1000°C
Construction length: 400 mm
Pipe outer diameter: Cast iron da = 78 mm (DN 70)