MISSEL Fire Protection Coupling for SML DN70 MSA 4-BSM V, # 254-4070

Missel Fire Protection Insulation Collar MSA® 4-BSM® Connector
Fire protection insulation collar with acoustic decoupling for connectors of cast iron wastewater pipes da < 160 mm (DN 150), application according to the simplifications of the MLAR; 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 mesh fabric film, mesh fabric knotted at the intersections. Inside equipped with a sliding film.
The execution must comply with the simplifications of the MLAR, ABP No. P-20170776 MPA Dresden. Proper execution must be certified by the contractor with a declaration of conformity after completion of the work.
When offering equivalent, alternative products, the following essential product features must be observed and documented to the client in writing with 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-tight filling of the component due to the larger intermediate distances from collar to collar.
- simple and quick processing due to tool-free quick-release fastener and suitable molded parts for bends and branches etc. to reduce processing times.
Special fleece, building material class according to DIN 4102: A1
Special fleece, melting point according to DIN 4102: > 1000°C
Pipe outer diameter: Cast iron pipe da = 78 mm (DN 70)