Siemens SITRANS LG250 Operating Instructions Manual page 66

Process pressure
Ʋ Standard version
Ʋ with borosilicate glass leadthrough
Vessel pressure relating to the flange
nominal pressure stage
Process temperature (thread or flange temperature)
Ʋ FKM (SHS FPM 70C3 GLT)
Ʋ EPDM (A+P 70.10-02)
Ʋ FFKM (Kalrez 6375)
Ʋ FFKM (Kalrez 6375)
Ʋ with borosilicate glass leadthrough
A
80°C / 176°F
60°C / 140°F
50°C / 122°F
45°C / 113°F
33°C / 91,4°F
0°C / 32°F
-40°C
-40°F
-40°C / -40°F
Fig. 26: 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)
66
-1 ... +40 bar/-100 ... +4000 kPa (-14.5 ... +580 psig),
depending on the process fitting
-1 ... +100 bar/-100 ... +10000 kPa
(-14.5 ... +1450 psig), depending on the process fitting
see supplementary instructions manual "Flanges ac-
cording to DIN-EN-ASME-JIS"
-40 ... +150 °C (-40 ... +302 °F)
-40 ... +150 °C (-40 ... +302 °F)
-20 ... +150 °C (-4 ... +302 °F)
-20 ... +200 °C (-4 ... +392 °F)
-60 ... +150 °C (-76 ... +302 °F)
50°C 80°C 100°C
122°F 176°F 212°F
SITRANS LG250 - Operating Instructions
1
2
3
4
B
150°C
302°F
PBD-51041048