MISSEL fire protection sleeve. for Cu/steel/plastic pipe, BSM-S 35, L: 400 mm, # 255-4035

Missel Fire Protection Collar BSM®-S
Fire protection collar with sound decoupling 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 MLAR simplifications;
open, seam-reinforced collar with integrated quick-release fastener, non-combustible mineral 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 execution must be carried out in accordance with the MLAR simplifications, ABP No. P-20170776 MPA Dresden. The contractor must certify the 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 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 to ensure 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 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
Thickness: 4 mm
Pipe outer diameter: Steel da = 33.7 mm (DN 25)
Stainless steel da = 35 mm (DN 32)
Copper da = 35 mm (DN 32)
Plastic da = 32 mm (DN 25)