Application why use QF ductwork

Duct Installation Design Charts

Equivalent Resistance in Meters
 ø mm 90° 1,5 Bend 90°2,5 Bend  30° Branch
080  0,76 0,53  0,61
100  1,07  0,76 0,76
125 1,37 0,91 0,99 
140 1,52 1,07 1,22 
150 1,68  1,22 1,25
160 1,83 1,30 1,37 
180 2,13 1,45  1,60
200 2,36 1,68 1,83
224 2,74 1,98 2,06
250 3,12 2,21 2,29
300 3,96 2,74 2,90
315 4,11 2,90 3,05
350 4,72 3,35 3,51 
400 5,49 3,96 4,27 
450 6,40 4,57  4,88
500 7,32 5,18 5,49
560 8,23 5,79 6,40
630 9,75 7,01 7,32
710 11,28 7,92 8,23

 

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Nordfab Europe | Industrivej 13 Assens, 9550 Mariager, Denmark | +45 86 47 11 00

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+45 86 47 11 00 - [email protected]

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