Paired Fire Dampers Wall Opening; Fire Dampers Pairing - Lindab WK45 Series Technical Manual

WK45 WK45
ovER vIEW
1. It is allowed to pair two fire dampers. Maximum paired size: 1670x1500, 3070x800, 1500x1670.
2. It is forbidden to pair three or more fire dampers.
3. It is forbidden to vertically pair two fire dampers with vertical axis.

Paired fire dampers wall opening

„
1. Hole and installation for two fire dampers paired side by side with horizzontal axis
2. Hole and installation for two fire dampers paired vertically with horizzontal axis
vertical rigid wall EI 120 S
light vertical plasterboard wall EI 120 S
light vertical plasterboard wall EI 90 S
light vertical gypsum blocks wall EI 120 S
light vertical gypsum blocks wall EI 90 S
horizontal floor EI 180 S
horizzontal floor EI 120 S
horizzontal floor EI 90 S

Fire dampers pairing

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The WK45 patented rectangular fire dampers can be
paired side-by-side or vertically (not more than two) using
the custom connection kit (see section Accessories and
spare parts p. 45). Two insulating layers must be inserted
between the two fire dampers.
The pair of dampers, may be installed in vertical wall in the
same way as a single damper.
6/56 6/56
X1 X2
B1 + 80 mm Btot + 80 mm
B1 + 100 mm Btot + 100 mm
B1 + 75 mm Btot + 75 mm
B1 + 80 mm Btot + 80 mm
B1 + 80 mm Btot + 80 mm
B1 + 130 mm Btot + 130 mm
B1 + 130 mm Btot + 130 mm
B1 + 130 mm Btot + 130 mm
Y1 Y2
H1 + 80 mm Htot + 80 mm
H1 + 100 mm Htot + 100 mm
H1 + 75 mm Htot + 75 mm
H1 + 80 mm Htot + 80 mm
H1 + 80 mm Htot + 80 mm
H1 + 130 mm Htot + 130 mm
H1 + 130 mm Htot + 130 mm
H1 + 130 mm Htot + 130 mm