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 />
2 240<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 30 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 = 73.5 kgm 2<br />
Casing diameter d.i.L. = 2500 mm<br />
Outlet cross section A 2 = 4.9 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 />
180 000<br />
50<br />
10<br />
63<br />
200 000<br />
56<br />
11,2<br />
80<br />
224 000<br />
63<br />
12,5<br />
100<br />
9,0<br />
250 000<br />
71<br />
14<br />
125<br />
CHARACTERISTIC CURVES – AXIAL FLOW FANS<br />
BELT DRIVE<br />
TYPE AXN 12/45/2500/R2<br />
280 000<br />
80<br />
16<br />
160<br />
11,2<br />
Power limit<br />
Type R2 (200 kW)<br />
315 000<br />
90<br />
18<br />
200<br />
355 000<br />
100<br />
20<br />
250<br />
14<br />
400 000<br />
112<br />
22,4<br />
315<br />
Type R1<br />
not available<br />
450 000<br />
125<br />
25<br />
500 000<br />
140<br />
28<br />
Type R2<br />
max. 200 kW<br />
560 000<br />
160<br />
31,5<br />
630 000<br />
180<br />
35,5<br />
Approx. shaft power input<br />
requirement Pw [kW]<br />
224<br />
180<br />
140<br />
112<br />
90<br />
71<br />
56<br />
45<br />
35.5<br />
28<br />
Fan speed n [rpm]<br />
630<br />
560<br />
500<br />
450<br />
400<br />
355<br />
315<br />
280<br />
250<br />
224<br />
200<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 />
155<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 />
0,80<br />
18<br />
500<br />
� = 0,82<br />
0,78<br />
0,74<br />
630<br />
22,4<br />
0,63<br />
800<br />
0,53<br />
119<br />
117<br />
114<br />
112<br />
110<br />
108<br />
105<br />
103<br />
101<br />
99<br />
97<br />
Belt drive
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