Siemens SITRANS LG240 Operating Instructions Manual page 74

Process conditions
For the process conditions, please also note the specifications on the type label. The lowest value
always applies.
The measurement error through the process conditions in the specified pressure and temperature
range is < 1 %.
Process pressure
Vessel pressure relating to the flange
nominal pressure stage
Process temperature (Clamp or flange temperature)
Ʋ FFKM (Kalrez 6621)
Ʋ EPDM (Freudenberg 70 EPDM 291)
Ʋ FEPM (Vi 602 Extreme-ETP, Fa. COG) -10 ... +150 °C (+14 ... +302 °F)
A
80°C / 176°F
60°C / 140°F
45°C / 113°F
35°C / 95°F
30°C / 86°F
0°C / 32°F
-40°C
-40°F
-40°C / -40°F
Fig. 42: Ambient temperature - process temperature, standard version
A Ambient temperature
B Process temperature (depending on the seal material)
1 Aluminium housing
2 Plastic housing
3 Stainless steel housing, precision casting
4 Stainless steel housing, electropolished
SIP process temperature (SIP=Sterilization in place)
Seals suitable for vapour: FFKM (Kalrez 6621) or EPDM (Freudenberg 70 EPDM 291)
Vapour stratification up to 2 h
Mechanical stress
Vibration resistance
Ʋ Rod probe
74
-1 ... +16 bar/-100 ... +1600 kPa (-14.5 ... +232 psig),
depending on the process fitting
see supplementary instructions manual "Flanges ac-
cording to DIN-EN-ASME-JIS"
-20 ... +150 °C (-4 ... +302 °F)
-20 ... +130 °C (-4 ... +266 °F)
50°C 80°C 100°C
122°F 176°F 212°F
+150 °C (+302 F)
1 g with 5 ... 200 Hz according EN 60068-2-6 (vibration
at resonance) with rod length 50 cm (19.69 in)
SITRANS LG240 - Operating Instructions
1
3
2
4
B
150°C
302°F
PBD-51041038