MISSEL Fire Protection Sleeve for SML DN50 L: 250 mm, MSA 4-BSM, # 254-0050

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 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. The contractor must certify the proper execution after completion of the work with a declaration of conformity.
When offering equivalent, alternative products, the following essential product characteristics must be observed and documented in writing to the client with manufacturer's proofs:
- robust, tear-resistant surface to prevent damage during the construction phase, this serves to avoid sound bridges
- lower material thickness of 4 mm for space-saving installation, thus ensuring a clean, visible fire and smoke-tight backfilling of the component due to the larger intermediate distances from collar to collar.
- easy and quick processing thanks 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
Installation length: 250 mm
Pipe outer diameter: Cast iron da = 58 mm (DN 50)