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K1
K2
K-
0.50
0.63
factor
Basic ventilation – size diagram
Real pressure in the ventilation duct
L
= The A-measured sound pressure level at 10 m² sabin
pA
L
= The A-measured sound pressure level relative to 1 pW
WA
K3
K4
K5
0.75
0.89
0.93
K6
K7
K8
1.06
1.12
1.23
Installation instructions en
K9
K10
K11
1.36
1.47
1.57
K12
1.69
15
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