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 />
2 000<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 />
63<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<br />
Moment of inertia I = 0.40 kgm 2<br />
Casing diameter d.i.L. = 711 mm<br />
Outlet cross section A 2 = 0.4 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 />
14 000<br />
4,0<br />
10<br />
63<br />
16 000<br />
4,5<br />
11,2<br />
80<br />
Power limit Type R1 (15 kW)<br />
18 000<br />
5,0<br />
12,5<br />
100<br />
20 000<br />
5,6<br />
14<br />
125<br />
CHARACTERISTIC CURVES – AXIAL FLOW FANS<br />
BELT DRIVE<br />
TYPE AXN 12/56/710/R1-R2<br />
22 400<br />
6,3<br />
16<br />
160<br />
25 000<br />
7,1<br />
18<br />
200<br />
28 000<br />
8,0<br />
20<br />
250<br />
31 500<br />
9,0<br />
22,4<br />
315<br />
Type R1<br />
max. 15 kW<br />
35 500<br />
10<br />
25<br />
40 000<br />
11,2<br />
28<br />
Type R2<br />
max. 22 kW<br />
45 000<br />
12,5<br />
31,5<br />
50 000<br />
14<br />
35,5<br />
Approx. shaft power input<br />
requirement Pw [kW]<br />
22.4<br />
15<br />
11.2<br />
7.5<br />
5.6<br />
3.8<br />
2.8<br />
1.9<br />
1.4<br />
1.0<br />
Fan speed n [rpm]<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 />
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 />
66<br />
59<br />
53<br />
47<br />
42<br />
38<br />
33<br />
30<br />
27<br />
144<br />
Total acoustic power<br />
level Lw [dB]<br />
Dynamic pressure pd [Pa]<br />
Ventilatoren mit Betriebspunkt im gerasterten Feld auf Anfrage * Airflow direction D (motor in outlet) – values rounded to standard figures.<br />
0,77<br />
400<br />
� = 0,79<br />
0,75<br />
500<br />
0,66<br />
0,61<br />
630<br />
0,52<br />
800<br />
106<br />
104<br />
102<br />
99<br />
97<br />
95<br />
93<br />
90<br />
88<br />
86<br />
84
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