MISSEL Fire Protection Sleeve for SML DN125 L:400 mm, MSA 4-BSM, # 254-2125

Missel Fire Protection Insulation Collar MSA® 4-BSM®
Fire protection insulation collar with acoustic decoupling for 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 with a tear-resistant grid fabric film, grid fabric knotted at the intersection points. Inside equipped with a sliding film.
The execution must be carried out in accordance 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 upon completion of the work.
When offering equivalent, alternative products, the following essential product features must be observed and documented to the client in writing by means of manufacturer's proofs:
- 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.
- easy and quick processing thanks to tool-free quick-release fasteners and suitable fittings 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
Installation length: 400 mm
Pipe outer diameter: Cast iron da = 135 mm (DN 125)