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Uponor wandverwarming

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6.5 Drukverliesdiagrammen<br />

Diagram 6A<br />

Het drukverschil in de <strong>Uponor</strong> Velta<br />

PE-Xa leiding wordt aan de hand<br />

van het diagram bepaald.<br />

400<br />

300<br />

200<br />

<strong>Uponor</strong> VeltaPE-Xa Rohr 14x2 mm DIN 4726<br />

Massastroom ṁ in [kg/h]<br />

100<br />

80<br />

60<br />

50<br />

40<br />

30<br />

20<br />

Drukverschil R<br />

0,1 m/s<br />

0,15 m/s<br />

14 x 2 mm<br />

0,2 m/s<br />

0,3 m/s<br />

0,4 m/s<br />

0,5 m/s<br />

0,6 m/s<br />

Medium: water<br />

10<br />

0,1 0,2 0,3 0,5 1 2 3 4 5 6 7 8 9<br />

0,01 0,02 0,03 0,05 0,1 0,2 0,3 0,4 0,5<br />

[mbar/m]<br />

[kPa/m]<br />

Diagram 6B<br />

Bepaling van de afsluitervoorinstelling<br />

(aantal omwentelingen)<br />

voor fijninregelafsluiters in de<br />

<strong>Uponor</strong> verdeler.<br />

Drukverlies Δp in [mbar]<br />

200<br />

100<br />

80<br />

60<br />

50<br />

40<br />

30<br />

20<br />

10<br />

8<br />

6<br />

5<br />

3<br />

4<br />

6<br />

omwentelingen<br />

5 omwentelingen<br />

Massastroom m in [kg/h]<br />

RL<br />

VL<br />

7<br />

8 9 10 11<br />

Medium: water<br />

10 20 30 40 50 60 80 100 200 300 400 500 700 1000<br />

20<br />

10<br />

8<br />

6<br />

5<br />

4<br />

3<br />

2<br />

1<br />

0,8<br />

0,6<br />

0,5<br />

[kPa]<br />

TI WANDVERWARMINGEN 03/2007<br />

27

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