12
Movitec V 2,4,6,10,15 & 90
For minimum flow at medium temperature of 20
o
C
see table 6: Minimum capacity (Qmin); for higher
temperatures see table :
Table 6: Minimum capacity (Q
min
)
5.7
Explosion safety
ATTENTION
This chapter contains fundamental
information which has to be taken in
consideration when installing the pump
with ATEX permission in a hazardous
environment.
5.7.1
General
Stickers or indicators on the pump sleeve and the
motor indicates whether the pump is suitable for use
in an environment with risk of explosion.
It is allowed to install the pump in a zone which is
classified in directive 1999/92/EC.
When in doubt it is compulsory to check the above
directive.
5.7.2
Indication
Table 7: Explosion safety
ATTENTION
When de pump is placed in an
explosion hazardous environment no
pump should be opened or
disassembled on site. Due to the
probable creation of sparks during
loosening and tightening of nuts and
bolts.
5.7.3
Commissioning (check list)
It is compulsory to check these points prior to put the
pump in operation.
3.
The free space above the motor cooling fan must be at
least 1/4 of the diameter of the inlet of the cooling fan
in order to have a sufficient flow of (cooling) air.
4.
Pumps that are intended for 50 Hz operation, may not
be connected to 60 Hz power supply.
size
Q
min
[m
3
/h]
50 Hz
60 Hz
2 pole
4 pole
2 pole
4 pole
2
0.2
0.2
4
0.4
0.5
6
0.6
0.8
10
1.1
0.5
1.3
0.6
15
1.6
0.8
2.0
1.0
90
8.5
4.3
10.2
5.1
3675
Figure 5: Minimum capacity vs. temperature
(in % of Q optimum)
367
5
0
5
10
15
20
25
30
35
40
40
50
60
70
80
90
100
110
120
130
140
Q [%]
T [
o
C]
ID 2508
25
08
Indication
Meaning
II
Product group for use above ground, with
the exception of mine working where there
can be danger of explosion due to mine gas
and/or flammable substances.
2
Category 2: Equipment in this category is
intended for use in areas in which explosive
atmospheres caused by mixtures of air and
gases, vapours or mists or by air/dusts mix-
tures are likely to occur.
G
Suitable for an environment that is explosive
due to gas, vapour or fumes; not suitable for
an environment that is explosive due to
dust.
T4/T3
Temperature class:
T4 for medium temperatures up to 100°C;
T3 for medium temperatures above 60°C
Goodnal STP ST041 Disinfection & Outfall (KSB ATF Feed Pump Skid PU-0700-110
Q-Pulse Id VM405
Active 29/10/2013
Page 14 of 41
