Brandhärdig krage PS90
- Сollar: PS 90
- Tube diameter: 90 mm
- Outer diameter of case: 112 mm
- Inner diameter of case: 92 mm
- Height: 30 mm
- Number of fixings: 5
We offer a special fire-proof sleeve construction for pipes penetrating through walls to be used. With the effect of heat, it's well with such force, that squeezes the pipe to zero orifice and stops the penetration of flames.