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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 = 28.75 kgm 2<br />

Casing diameter d.i.L. = 1780 mm<br />

Outlet cross section A 2 = 2.49 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 />

90 000<br />

25<br />

10<br />

63<br />

100 000<br />

28<br />

11,2<br />

80<br />

112 000<br />

31,5<br />

12,5<br />

100<br />

125 000<br />

35,5<br />

14<br />

125<br />

CHARACTERISTIC CURVES – AXIAL FLOW FANS<br />

BELT DRIVE<br />

TYPE AXN 12/56/1800/R2<br />

Power limit Type R2 (132 kW) 0,81<br />

140 000<br />

40<br />

16<br />

160<br />

160 000<br />

45<br />

18<br />

200<br />

180 000<br />

50<br />

20<br />

250<br />

200 000<br />

56<br />

22,4<br />

315<br />

Type R1<br />

not available<br />

224 000<br />

63<br />

25<br />

250 000<br />

71<br />

28<br />

Type R2<br />

max. 132 kW<br />

280 000<br />

80<br />

31,5<br />

315 000<br />

90<br />

35,5<br />

Approx. shaft power input<br />

requirement Pw [kW]<br />

134<br />

95<br />

67<br />

48<br />

34<br />

24<br />

17<br />

12<br />

8.5<br />

6.0<br />

Fan speed n [rpm]<br />

900<br />

800<br />

710<br />

630<br />

560<br />

500<br />

450<br />

400<br />

355<br />

315<br />

280<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 />

152<br />

Total acoustic power<br />

level Lw [dB]<br />

Dynamic pressure pd [Pa]<br />

Fans with operating point in grid area upon request * Airflow direction D (motor in outlet) – values rounded to standard figures.<br />

400<br />

� = 0,81<br />

0,77<br />

500<br />

0,69<br />

0,64<br />

630<br />

0,55<br />

800<br />

115<br />

112<br />

110<br />

108<br />

106<br />

103<br />

101<br />

99<br />

96<br />

94<br />

92

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