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Pressure Balance High-Pressure
GB
CPB5000HP
WIKA Operating Instructions Pressure Balance High-Pressure Version 2.5
17
3.2 Operation
.
3.2.1 Weight Pieces
.
Stack the weight pieces onto the bell depending on the pressure value that is required.
It is usually best to start with the heaviest weight so that the centre of gravity is as low as possible.
Each component is identified by a consecutive number. In the calibration certificate to each number
the resultant pressure assuming reference conditions is listed.
Example table from a calibration certificate page 2:
Druckwerte der Gewichtsstücke /
Pressure values of masses
Bezeichnung des
Gewichtsstückes
type of weight piece
Nr.
no.
wahre Masse
true mass
in kg
Druckwert
für HD-System
pressure value
for HP-system
in bar
Kolben /
piston
1207
0.51001
24.9972
Masse /
weight piece
1
0.10231
5.0143
Masse /
weight piece
2
4.09305
200.6150
Masse /
weight piece
3
4.09305
200.6150
Masse /
weight piece
4
4.09305
200.6150
Masse /
weight piece
5
4.09305
200.6150
Masse /
weight piece
6
4.09305
200.6150
Masse /
weight piece
7
4.09305
200.6150
Masse /
weight piece
8
4.09305
200.6150
Masse /
weight piece
9
4.09305
200.6150
Masse /
weight piece
10
2.04650
100.3065
Masse /
weight piece
11
2.04650
100.3065
Masse /
weight piece
12
2.04650
100.3065
Masse /
weight piece
13
2.04650
100.3065
Masse /
weight piece
14
2.04650
100.3065
Masse /
weight piece
15
2.04650
100.3065
Masse /
weight piece
16
2.04650
100.3065
Masse /
weight piece
17
2.04650
100.3065
Masse /
weight piece
18
2.04650
100.3065
Masse /
weight piece
19
1.02526
50.2517
Masse /
weight piece
20
0.51163
25.0768
Masse /
weight piece
21
0.51163
25.0768
Masse /
weight piece
22
0.20465
10.0307
Masse /
weight piece
23
0.10232
5.0153
Masse /
weight piece
24
0.05116
2.5077
Example: weight piece no. 5 generates a pressure value of 200.6150 bar
with its weight value of 4.09305 kg assuming reference
conditions (room temperature 20°C, air pressure1,013 mbar,
relative humidity 40 %)
The pressure that will be achieved thus corresponds to the sum of the basic weight (piston), the
bell and the weight rings.