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Axial innen engl - TLT Turbo GmbH

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Am Weinberg 68 · D-36251 Bad Hersfeld/Germany<br />

Phone: +49.6621.950-0 · Fax: +49.6621.950-100<br />

Total pressure increase � pt [Pa] ➞<br />

2 240<br />

2 000<br />

1 800<br />

1 600<br />

1 400<br />

1 250<br />

1 120<br />

1 000<br />

900<br />

800<br />

710<br />

630<br />

560<br />

500<br />

450<br />

400<br />

355<br />

315<br />

280<br />

250<br />

224<br />

200<br />

180<br />

160<br />

140<br />

125<br />

112<br />

100<br />

90<br />

80<br />

71<br />

Max possible motor size:<br />

cf dimensional diagrams<br />

The characteristic curves for a 23 deg. pitch angle<br />

Temperature t = 20 °C, Density = 1.2 kg/m 3<br />

Number of impeller blades: 12<br />

Moment of inertia I = 0.12 kgm 2<br />

Casing diameter d.i.L. = 565 mm<br />

Outlet cross section A 2 = 0.25 m 2<br />

The characteristic curves were measured<br />

with a 2.5 D duct on the outlet side.<br />

Efficiency data apply to max. rpm<br />

9 000<br />

2,5<br />

10<br />

63<br />

10 000<br />

2,8<br />

11,2<br />

80<br />

11 200<br />

3,15<br />

12,5<br />

100<br />

12 500<br />

3,55<br />

14<br />

125<br />

CHARACTERISTIC CURVES – AXIAL FLOW FANS<br />

BELT DRIVE<br />

TYPE AXN 12/56/560/R1<br />

Power limit<br />

Type R1 (11 kW)<br />

14 000<br />

4,0<br />

16<br />

160<br />

16 000<br />

4,5<br />

18<br />

200<br />

18 000<br />

5,0<br />

20<br />

250<br />

20 000<br />

5,6<br />

22,4<br />

315<br />

Type R1<br />

max. 11 kW<br />

22 400<br />

6,3<br />

25<br />

25 000<br />

7,1<br />

28<br />

Type R2<br />

not available<br />

28 000<br />

8,0<br />

31,5<br />

31 500<br />

9,0<br />

35,5<br />

Approx. shaft power input<br />

requirement [kW]<br />

12.5<br />

9.0<br />

6.3<br />

4.6<br />

3.15<br />

2.4<br />

1.6<br />

1.25<br />

0.85<br />

0.65<br />

Fan speed n [rpm]<br />

2 800<br />

2 500<br />

2 240<br />

2 000<br />

1 800<br />

1 600<br />

1 400<br />

1 250<br />

1 120<br />

1 000<br />

900<br />

Volume flow [m 3/h]<br />

Volume flow [m 3/s]<br />

Flow velocity<br />

C1 = C2 [m/s]<br />

Tip speed u [m/s]<br />

84<br />

74<br />

66<br />

59<br />

53<br />

47<br />

42<br />

38<br />

33<br />

30<br />

27<br />

142<br />

Total acoustic power<br />

level Lw [dB]<br />

Dynamic pressure pd [Pa]<br />

Ventilatoren mit Betriebspunkt im gerasterten Feld auf Anfrage * Luftrichtung D (über Motor drückend) – auf Normzahlen gerundete Werte<br />

0,77<br />

400<br />

� = 0,79<br />

0,76<br />

500<br />

0,67<br />

0,60<br />

630<br />

800<br />

105<br />

102<br />

100<br />

98<br />

96<br />

93<br />

91<br />

89<br />

86<br />

85<br />

83

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