SOLID AIR FDC25, Manual

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SPECIFICATIONS PRESSURE DROP
Pressure drop values are described with the “Zeta” values for each size. The exact
pressure drop in [Pa] is calculated using the following formula:
Δp (Pa)=
ζ
* v² * 0,6
Where
ζ
i
s Zeta value from the tables below, v is airflow velocity in (m/s).
FDC25 d100 d125 d160 d200 d250 d315
ζ
1,759 0,852 0,545 0,445 0,340 0,293
FDC40 d355 d400 d450 d500 d560 d630 d710 d800
ζ
0,428 0,389 0,344 0,325 0,312 0,232 0,206 0,179
Diameter (mm) Cross section (dm²) Net area (dm²)
FDC25
100 0,74 0,50
125 1,17 0,87
160 1,93 1,55
200 3,05 2,56
250 4,79 4,18
300 6,18 5,74
315 7,64 6,87
FDC40
355 9,73 8,33
400 12,37 10,79
450 15,69 13,91
500 19,39 17,41
630 30,86 28,36
710 39,24 36,42
800 49,86 46,68
DIMENSIONAL RANGE
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