KROHNE OPTIFLEX 2200 C_F EN - Manual (Page 18)

3
INSTALLATION
18
OPTIFLEX 2200 C/F
www.krohne.com 07/2013 - 4000668002 - HB OPTIFLEX 2200 R02 en
3.5 How to prepare the tank before you install the device
3.5.1 Pressure and temperature ranges
Permitted temperature ranges for gaskets
CAUTION!
To avoid measuring errors and device malfunction, obey these precautions.
Figure 3-4: Pressure and temperature ranges
1 Temperature at the process connection
The temperature at the process connection must stay in the temperature range of the gasket material unless the de-
vice is a High-Temperature version. Refer to the table "Permitted temperature ranges for gaskets" that follows and
to "Technical data" on page 116.
Devices with Hazardous Location approvals: see supplementary instructions
2 Ambient temperature for operation of the display
-20...+60°C / -4...+140°F
If the ambient temperature is not between these limits, the display screen switches off automatically
3 Ambient temperature
Non-Ex devices: -40...80°C / -40...176°F
Devices with Hazardous Location approvals: see supplementary instructions
4 Process pressure
-1...40 barg / -14.5...580 psig
WARNING!
The process connection temperature range must agree with the temperature limits of the
gasket material.
Gasket material Permitted temperature ranges for gaskets
Standard version High-Temperature version
[°C] [°F] [°C] [°F]
FKM/FPM -40…+150 -40…+302 -40…+300 -40…+572
Kalrez ® 6375
-20…+150 -4…+302 -20…+300 -4…+572
EPDM -50…+150 -58…+302 -50…+250 -58…+482