Mandik FDMR 60 Manual page 36

Damper must be firmly connected with
extension piece by screws or rivets.
Position:
1 Fire damper
2 Damping pad
3 Extension piece
4 Threaded rod
5 Mounting rail
6 Nut
7 Washer
8 Screw connection
9 Mounting profile
10 Bolt
11 Screw or rivet
Examples of using materials:
36