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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 />

˙V = Volume flow [m 3 /h] bzw. [m 3 /s]<br />

pd = Dynamic pressure [Pa] or x 0,1 [kp/m 2 ]<br />

c = Flow velocity [m/s]<br />

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

180<br />

160<br />

140<br />

125<br />

112<br />

100<br />

90<br />

80<br />

71<br />

63<br />

56<br />

50<br />

Shaft power input requirement:<br />

V [m<br />

Pw [kW] = =<br />

3 ·<br />

/h] · �pt [Pa]<br />

�· 1000 · 3600<br />

20°<br />

4 000<br />

1,12<br />

3,55<br />

8,0<br />

4 500<br />

1,25<br />

4,0<br />

10<br />

25°<br />

5 000<br />

1,4<br />

4,5<br />

12,5<br />

CHARACTERISTIC CURVES – AXIAL FLOW FANS<br />

DIRECT DRIVE, WITHOUT GUIDE VANES<br />

TYPE AXO 9/630/D*<br />

ROTATIONAL SPEED 980 RPM<br />

Tip speed u2 = 32 m/s<br />

Temperature t = 20°C<br />

Density = 1,2 kg/m3 20°<br />

5 600<br />

1,6<br />

5,0<br />

16<br />

�<br />

6 300<br />

1,8<br />

5,6<br />

20<br />

32,5°<br />

30°<br />

25°<br />

7 100<br />

2,0<br />

6,3<br />

25<br />

35°<br />

0,56<br />

0,51<br />

8 000<br />

2,24<br />

7,1<br />

31,5<br />

0,58<br />

9 000<br />

2,5<br />

8,0<br />

40<br />

0,60<br />

30°<br />

10 000<br />

2,8<br />

9,0<br />

50<br />

� =<br />

0,62 pd<br />

32,5°<br />

11 200<br />

3,15<br />

10<br />

63<br />

Moment of inertia I = kg m 2<br />

Casing diameter d.i.L. = 634 mm<br />

Outlet cross section A2 = 0,31 m 2<br />

These fans are available only with the indicated blade pitch. Subsequent pitch variations are not possible.<br />

35°<br />

12 500<br />

3,55<br />

11,2<br />

80<br />

37,5°<br />

37,5°<br />

40°<br />

14 000<br />

4,0<br />

12,5<br />

100<br />

16 000<br />

4,5<br />

14<br />

125<br />

45°<br />

40°<br />

91<br />

89<br />

87<br />

85<br />

83<br />

81<br />

79<br />

77<br />

75<br />

73<br />

71<br />

051<br />

45° Blade pitch angle<br />

˙V [m 3 /h] →<br />

˙V [m 3 /s] →<br />

c [m/s] →<br />

pd [Pa] →<br />

Total acoustic power level<br />

Lw [dB]<br />

* Airflow direction D (motor in outlet) – Please inquire for Airflow direction S (motor in inlet) Values rounded to standard figures.<br />

AXO-Direct-drive

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