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] →
112
100
90
80
71
63
56
50
45
40
35,5
31,5
Shaft power input requirement:
V [m
Pw [kW] = =
3 ·
/h] · �pt [Pa]
�· 1000 · 3600
710
0,2
2,5
4,0
800
0,224
900
0,25
CHARACTERISTIC CURVES – AXIAL FLOW FANS
DIRECT DRIVE, WITHOUT GUIDE VANES
TYPE AXO 8/315/D*
ROTATIONAL SPEED 1450 RPM
Tip speed u 2 = 23 m/s
Temperature t = 20°C
Density = 1,2 kg/m 3
1000
0,28
�
1120
0,315
1250
0,355
1400
0,4
1600
0,45
1800
0,5
2000
0,56
Moment of inertia I = kg m 2
Casing diameter d.i.L. = 320 mm
Outlet cross section A2 = 0,08 m 2
These fans are available only with the indicated blade pitch. Subsequent pitch variations are not possible.
A hazardous-duty version is available
only with 35° blade angle.
2,8
5,0
25°
3,15
6,3
3,55
8,0
4,0
10
30°
4,5
12,5
5,0
16
5,6
20
6,3
25
7,1
31,5
2240
0,63
8,0
40
2500
0,71
9,0
50
2800
0,8
10
63
89
87
85
83
81
79
77
75
73
71
69
044
˙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.
25°
35°
� =
0,49
0,32
40°
0,46
30°
0,43
0,40
45°
35°
40°
pd
45° Blade pitch angle