Data Sheet for Product

3 / 6
Siemens Flow sensor QVE2x00.0xx CM1N1597en
Building Technologies 2015-02-18
Service life
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
40
60 80 100 120 140
1
5
9
7
D
0
1
Flow rate in %
Medium temperature in ° C
Engineering notes
Operational safety of the supplied device is only guaranteed when used
properly (flow measurement of liquids). Do not exceed under no circum-
stances the indicated limit values (see "Technical data").
Mounting notes
Smooth operation of the flow sensor is guaranteed only if the mounting
instructions delivered with the product are adhered to completely. See also
the following notes.
Strictly observe the following notes to prevent sensor material damages
when mounting:
· Mount the sensor only when de-
energized. Thus, the connecting
pipes must be supported by tube
clamps as close to the sensor in-
let and outlet as possible.
1
5
9
7
Z
0
8
Pipe support
· When mounting the sensor, use
suitable connection fittings. Do
not exceed a 12 Nm torque when
tightening the union nut. To tight-
en, hold the union nut with a
wrench against the tightening
torque.
1
5
9
7
Z
1
4
12 Nm!
≤
Counter-hold
10 year curve as relat-
ed to flow and media
temperature
Warning
Important