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<strong>Technote</strong><br />

Side 10 af 15<br />

Frese PVS DN25 LP<br />

- Dynamisk tryk- og flowreguleringsventil<br />

Flow<br />

L/s L/h<br />

0,694 2500<br />

Frese PV DN25 5-30 kPa<br />

ΔPs<br />

Δp over Frese PV<br />

kPa<br />

6,9<br />

0,556<br />

2000<br />

4,4<br />

0,417<br />

1500<br />

5 kPa<br />

10 kPa<br />

15 kPa<br />

20 kPa<br />

25 kPa<br />

30 kPa<br />

2,5<br />

0,278<br />

1000<br />

1,1<br />

0,139<br />

500<br />

0,3<br />

0<br />

0<br />

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17<br />

18<br />

0,0<br />

19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36<br />

Forindstilling [Antal omdrejninger]<br />

DK Frese PVS DEC. ’09<br />

Frese S DN25 Low Pressure<br />

Flow<br />

Kvs (m 3 /h)<br />

(l/s) (l/h)<br />

min. Δp kPa<br />

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

0,472 1700<br />

17<br />

0,444 1600<br />

16,5<br />

0,417 1500<br />

16<br />

0,389 1400<br />

15,5<br />

0,361 1300<br />

15<br />

0,333 1200<br />

14,5<br />

0,306 1100<br />

14<br />

0,278 1000<br />

13,5<br />

0,250 900<br />

13<br />

0,222 800<br />

12,5<br />

0,194 700<br />

12<br />

0,167 600<br />

11,5<br />

0,139 500<br />

11<br />

0,111 400<br />

10,5<br />

0,083 300<br />

10<br />

0,056 200<br />

9,5<br />

0,028 100<br />

9<br />

0<br />

0 8,5<br />

0 1 2 3 4 5 6 7 8 9 10<br />

Forindstilling<br />

www.frese.eu

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