Mandik FDMR 60 Manual page 34

Connection of downstream air ductwork when remote from the ceiling with fire filler (stone wool + mastic)
Position:
1 Solid ceiling construction
2 Fire damper
3 Spiral pipe
4 Stuffing box (stone wool+mastic)
5 Hanging ring for hanging round pipes
6 Threaded rod with anchor for anchoring connecting
pipe to the wall
7 Fixing element/steel holder for connecting pipe to
the ceiling (recommended type)
8 Nut M8 with anchor
9 Holes for rivets
10 Pipe insulation
A
34