Axial innen engl - TLT Turbo GmbH
Axial innen engl - TLT Turbo GmbH
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 />
2 300<br />
2 100<br />
1 900<br />
1 700<br />
1 520<br />
1 340<br />
1 200<br />
1 060<br />
940<br />
830<br />
750<br />
680<br />
600<br />
530<br />
470<br />
420<br />
370<br />
330<br />
290<br />
260<br />
230<br />
210<br />
180<br />
160<br />
140<br />
130<br />
120<br />
100<br />
90<br />
80<br />
70<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 = 0.041 kgm 2<br />
Casing diameter d.i.L. = 450 mm<br />
Outlet cross section A 2 = 0.159 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 />
5 600<br />
1,6<br />
10<br />
63<br />
6 300<br />
1,8<br />
11,2<br />
80<br />
7 100<br />
2,0<br />
12,5<br />
100<br />
8 000<br />
2,24<br />
14<br />
125<br />
CHARACTERISTIC CURVES – AXIAL FLOW FANS<br />
BELT DRIVE<br />
TYPE AXN 12/56/450/R1<br />
Power limit<br />
Type R1 (7,5 kW)<br />
9 000<br />
2,5<br />
16<br />
160<br />
10 000<br />
2,8<br />
18<br />
200<br />
11 200<br />
3,15<br />
20<br />
250<br />
12 500<br />
3,55<br />
22,4<br />
315<br />
Type R1<br />
max. 7.5 kW<br />
14 000<br />
4,0<br />
25<br />
16 000<br />
4,5<br />
28<br />
Type R2<br />
not available<br />
18 000<br />
5,0<br />
31,5<br />
20 000<br />
5,6<br />
35,5<br />
Approx. shaft power input<br />
requirement Pw [kW]<br />
8,2<br />
6,0<br />
4,2<br />
3,0<br />
2,2<br />
1,6<br />
1,2<br />
0,85<br />
0,6<br />
0,45<br />
Fan speed n [rpm]<br />
3 550<br />
3 175<br />
2 840<br />
2 540<br />
2 275<br />
2 040<br />
1 835<br />
1 650<br />
1 485<br />
1 340<br />
1 215<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 />
75<br />
67<br />
60<br />
54<br />
49<br />
44<br />
39<br />
36<br />
32<br />
29<br />
140<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 />
0,76<br />
400<br />
� = 0,78<br />
0,75<br />
500<br />
0,66<br />
0,59<br />
630<br />
800<br />
102<br />
100<br />
98<br />
96<br />
94<br />
92<br />
90<br />
88<br />
86<br />
84<br />
82
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