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en Installation instructions
11.11 Air flow diagrams
You can find the air flow diagrams below.
Forced ventilation – adjustment diagram
Static pressure drop
Existing opening of the reducing disc
L
= The A-measured sound pressure level at 10 m² sabin
pA
L
= The A-measured sound pressure level relative to 1 pW
WA
14
Cut-away rings
Without reducing disc
Air flow
K-factor q=k*√Δp
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