25
MIETZSCH GmbH Lufttechnik Dresden
Großenhainer Str. 137
01129 Dresden
Fax (0351) 8 58 00 74
http://www.mietzsch.de
∆
p / Pa
t
30000
5000
3000
2000
1,0
20000
5,0
3,0 4,0
2,0
10000
500
400
200
300
50000
.
10,0
V / m³/s
V / m³/h
.
2000
1000
3000
ρ
= 1,2 kg/m³
950 U/min
710
η
=
0
,7
2
m
ax
Radial fans of plastic material
VRE 560 / 734
Impeller with forward curved vanes
PERFORMANCE
PRINCIPAL DIMENSIONS
The principal dimensions refer to elastic
connectors on inlet and outlet and for
housing position 90R.
Height of axis is identical for all housing
positions.
Further dimensions see page 27.
Number of
vibration absorbers
: 4
(in case of heavy motors 6)
Drawings in format dxf
--> MIETZSCH-CD
MOTOR VERSIONS
for standard motor 3~400V/50Hz
(Data for other motors, such as polechanging or Ex, upon inquiry.)
Working range
- stable regime in entire characteristic
range
- operation with larger volumetric flows
may lead to motor
- parallel and series connection
possible after consultation with the
manufacturers
Design features
- welded impeller with 35 vanes curved
forward
- welded spiral casing
- motor outside the flow conveyed
- robust sheet metal base, zinc-coated
- vibration absorbers in range of
delivery
- variant connectors of casing
power
nom. motor nom. motor
weight
fan type
speed
required
power
current
with motor
L
A3m
L
WA
rpm
kW
kW
A
kg
dB(A) dB(A)
63
125 250 500 1000 2000 4000 8000
VRE 560/734W710
710
21,0
22,0
44,5
439
73
89
72
75
82
87
82
77
73
62
VRE 560/734W950
950
36,0
37,0
70,0
592
78
95
80
84
88
92
86
81
75
65
L
A3m
= A - weighted sound pressure level at distance of 3 m
L
WA
= A - weighted sound power level in duct
octave-band L
WA-Okt
/ dB(A)
i_v
re_
en
(
09/
06
)
1060
max.1505
Ø 560
Ø 5
6
0
508
11
51
77
4
1050
629
104
0
40
668
