penetration for plastic pipes that can also be installed around existing pipes
- Can be installed into light-frame
walls and walls and intermediate floors made of rock materials.
- In walls the cuffs must be installed
on both sides of the penetration, in intermediate floors the cuff is only
needed on the underside of the floor.
- The cuff can be surface or flush
mounted. When opting for the surface installation, attention must be paid to
attaching the cuff to the structure according to the product approval.
- Up to the pipe size of 110 mm, the
cuffs can be installed so that they touch each other, but with pipes larger
than 110 mm the distance between the cuffs must be at least 100 mm.
Possible gaps between the line
pipe and the structure must be sealed with concrete, plaster or mineral wool
before attaching the cuff.
Cuff Pipe (mm)
ZZ cuff 32 ø 32
Fire class: EI 60 – EI 120
In walls the cuffs must be
installed on both sides of the penetration, in intermediate floors the cuff is
only needed on the underside of the floor.