18
7.7
Pressure ć Temperature Diagram
1
2
3
4
5
6
7
- 20
- 10
0
+ 10
+ 20
+ 30
+ 40
+ 50
+ 60
Relative pressure
of the pressure
gauge in relative
bar
Nominal filling
pressure in
relative bar at
20° C
Ambient
temperature in °C
3.8 relative bar at 40 °
5.5 b (
-0,+0.2
)
Diagram of filling pressures as a
function of the ambient temperature
°C
Example
: for a nominal filling pressure of 3.5 bar, if the ambient
temperature is +40°C, the adjustment pressure of the circuit
breaker on the pressure gauge will be 3.8 relative bar.
Gas
Liquid
3.5 b (
-0,+0.2
)
