23
MIETZSCH GmbH Lufttechnik Dresden
Großenhainer Str. 137
01129 Dresden
Fax (0351) 8 58 00 74
http://www.mietzsch.de
0,5
300
200
400
500
1000
t
∆
p / Pa
10000
5000
3000
20000 30000
.V / m³/h
2000
2,0
1,0
5,0
3,0 4,0
10,0
V / m³/s
710
.
3000
2000
950 U/min
m
ax
η
=
0
,7
2
ρ
= 1,2 kg/m³
Radial fans of plastic material
VRE 500 / 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 500/734W710
710
12,6
15,0
31,5
352
69
86
69
72
79
84
79
74
70
59
VRE 500/734W950
950
20,6
22,0
45,5
359
75
92
77
81
85
89
83
78
72
62
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
)
92
0
69
1
957
860
max.1435
596
Ø 500
Ø 5
0
0
471
10
79
562
40
(3
3)
