D
1
7
7
D
2
DN
L
or
L
1
2
L
2
DN
L
L
SG1
duct frame
User Manual 5.12 (2019-09) 10
Subject to change
Series FR92K
All dimensions in mm
FR90 fire dampers
in short lengths
Optional
accessories
Protective grille SG1
with wide edge made of powder-coated,
galvanized sheet steel in the
colour RAL 9010 (pure white).
Pack:
Protective grille SG1, fastening screws M5 x 6 and M5 x 10,
mount and screw covers.
Pack:
Protective grille SG2, fastening screws M5 x 6 and M5 x 10,
mount and screw covers.
Connecting pieces AR
made of galvanized sheet steel with an
aluminium
non-return valve
are for fitting onto the inflow side fire
damper plug connection fitted with lip seals. Traverses are for screw
fastening the protective grille SG1 or SG2 to the connecting piece AR.
The non-return valve opens in the specified flow direction automat
-
ically and with a pressure delay. It closes if there is a return flow
or no flow.
Sizes:
DN 100
DN 125
DN 160
DN 200
∅
D
1
[mm]
125
145
185
235
Connecting pieces AS
made of galvanized sheet steel are for
fitting onto the fire damper plug connections fitted with lip seals.
Traverses are for screw fastening the protective grille SG1 or SG2
to the connecting pieces.
Sizes:
DN 100
DN 125
DN 160
DN 200
Lengths L
1
, L
2
[mm]
55, 75 or 100
75, 100
Sizes:
DN 100
DN 125
DN 160
DN 200
∅
D
2
[mm]
106
131
166
206
The lengths 75
mm and 100
mm of sizes DN
100, DN
125 and DN
160 can be
shortened by the customer to 55
mm, those of the sizes DN
200 can be short
-
ened to 60
mm.
Protective grille SG2
with narrow edge
made from galvanized sheet
steel powder-coated in shade RAL 9010 (pure white).
Sizes:
DN 160
DN 200
Lengths L
2
[mm]
55
75
Duct frame RB
in the RAL colour
9010 (pure white) for covering
protruding connecting pieces.
Duct frames must be used together with the protective grille SG1
and can be shortened by the customer to the excess length Ü. They
are secured between the wall and protective grille SG1 with their
screw fastening.
Size
DN 100 DN 125 DN 160 DN 200
Length L
[mm]
50 or 100
SG1
SG2
Ü
