20
30
40
50 60 70 80 90 100
10
150
200
WA
3 / 4
20
25
30
35
40
45
50
60
70
80
90
100
200
300
400
500
600
700
Statiskt tryckfall (Pa
Staattinen paineero (Pa
Static pressure drop (Pa
Inst
Asento
Inst
Grundflöde
Perusvirtaus
Basic ventilation
4 / 4
Forceringsflöde
Tehostettu virtaus
Forced ventilation
Strypbrickans befintliga öppning
Kuristuslevyn aukko toimitettaessa
The existing opening of the reducing plate
Ringar bortskurna
Suurennettu aukko
The rings cutaway
Utan strypbricka
Ilm
an kuristuslevyä
Without reducing plate.
(480/490-10)
(480/490-10)
LpA = 45
LWA = 49
LpA = 40
LWA = 44
LpA = 35
LWA = 39
LpA = 30
LWA = 34
LpA = 25
LWA = 29
1 2 3 4 5 6 7 8 9 10 11 12
LpA = 45
LWA = 49
LpA = 40
LWA = 44
LpA = 35
LWA = 39
LpA = 30
LWA = 34
LpA = 25
LWA = 29
20
25
30
35
40
45
50
60
70
80
90
100
200
300
400
500
600
700
1 2 3 4 5
Statiskt tryckfall (Pa
Staattinen paineero (Pa
Static pressure drop (Pa
Flöde, l/s
Virtaus, l/s
Airflow, l/s
Flöde, l/s
Virtaus, l/s
Airflow, l/s
2
3
4
5
6
7 8 9 10
15
20
25 30 35 40 45 50
L
pA
= Den A-vägda ljudtrycksnivån vid 10 m² Sabin
Äänenpainetaso 10 m² Sabin
The A
measured sound pressure level at 10 m²
L
WA
= Den A-vägda ljudeffektnivån relativt 1 pW
Äänen suhteellinen tehotaso 1 pW
The A
measured sound power level relatively 1pW
122978 / 0424
122978 / 0424