Axial innen engl - TLT Turbo GmbH

Am Weinberg 68 · D-36251 Bad Hersfeld/Germany
Phone: +49.6621.950-0 · Fax: +49.6621.950-100
˙V = Volume flow [m 3 /h] bzw. [m 3 /s]
pd = Dynamic pressure [Pa] or x 0,1 [kp/m 2 ]
c = Flow velocity [m/s]
Total pressure increase � pt [Pa] →
800
710
630
560
500
450
400
355
315
280
250
224
Shaft power input requirement:
V [m
Pw [kW] = =
3 ·
/h] · �pt [Pa]
�· 1000 · 3600
30°
25°
25 000
7,1
7,1
31,5
CHARACTERISTIC CURVES – AXIAL FLOW FANS
DIRECT DRIVE, WITHOUT GUIDE VANES
TYPE AXO 12/1120/D*
ROTATIONAL SPEED 1460 RPM
Tip speed u2 = 86 m/s
Temperature t = 20°C
Density = 1,2 kg/m3 �
Moment of inertia I = kg m 2
Casing diameter d.i.L. = 1124 mm
Outlet cross section A2 = 1,0 m 2
These fans are available only with the indicated blade pitch. Subsequent pitch variations are not possible.
28 000
8,0
8,0
40
32,5°
31 500
9,0
9,0
50
35 500
10
10
63
0,43
25°
40 000
11,2
11,2
80
0,44
45 000
12,5
12,5
100
30°
50 000
14
14
125
065
50°
Blade pitch
angle
˙V [m 3 /h] →
˙V [m 3 /s] →
c [m/s] →
pd [Pa] →
Total acoustic power level
Lw [dB]
* Airflow direction D (motor in outlet) – Please inquire for Airflow direction S (motor in inlet) Values rounded to standard figures.
32,5°
56 000
16
16
160
0,46
63 000
18
18
200
0,50
35°
0,52
71 000
20
20
250
37,5°
80 000
22,4
22,4
315
37,5°
35°
0,54
40°
90 000
25
25
400
� =
0,57
0,56
40°
45°
100 000
28
28
500
50°
45°
pd
115
113
111
109
107
105
103
101
99
97
95
AXO-Direct-drive