Accessories 2
Extension piece
06/2015 – DE/en
FK-EU
1
Extension piece
Application
– Fire dampers ordered with flexible connector,
cover grille or circular spigot plate
are supplied including extension piece.
– Extension pieces are also available separately
Materials and surfaces
– Extension pieces made of galvanised sheet
steel (and powder-coated silver grey,
RAL 7001, when used with powder-coated (1)
and stainless steel (2) dampers)
Description
K 4 – 1.1 – 31
Technical data
When using cover grilles,
circular spigot plates
or flexible connectors
an extension piece may
be required.
The distance »a« between
the open damper blade
and the cover grille, circular
spigot or flexible connector
should be 50 mm.
Dimensions [mm]
H
200
250
300
350
400
450
500
550
600
650
700
750
800
x
–224 –199 –174 –149 –124
–99
–74
–49 –24*
1*
26*
51*
76*
y
L = 375
23*
48*
73*
98* 123* 148* 173* 198* 223* 248* 273* 298* 323*
L = 500
–102
–77
–52 –27*
–2*
23*
48*
73*
98* 123* 148* 173* 198*
* Extension piece required
Open blade protrusion
H / B
L = 375
-x
y
H / B
x
y
L = 375
-x
-y
H / B
L = 500
x
y
H / B
L = 500
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①
Operating side
②
Installation side
