MISSEL fire protection sleeve. for Cu/steel/plastic pipe, BSM-S 22, L: 400 mm, # 255-4022

Missel Fire Protection Collar BSM®-S
Fire protection and sound-insulated collar for steel and copper pipes up to da = 160 mm (DN 150) and plastic pipes up to da = 32 mm (DN 25), application according to the simplifications of the MLAR;
Open, seam-reinforced collar with integrated quick-release fastener, mineral non-combustible and heat-resistant up to 1,100°C special fleece 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. Inner side 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 proper execution after completion of the work by a declaration of conformity.
When offering equivalent, alternative products, the following essential product features must be observed and documented to the client in writing with 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 to ensure a clean, visible fire and smoke-tight filling of the component through the resulting larger intermediate distances from collar to collar.
- simple and quick processing due to tool-free quick-release fastener to reduce processing 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
Thickness: 4 mm
Pipe outer diameter: Steel da = 21.3 mm (DN 15)
Stainless steel da = 22 mm (DN 20)
Copper da = 22 mm (DN 20)
Plastic da = 20 mm (DN 15)