Supplement; Technical Data - Siemens SITRANS LG250 Operating Instructions Manual

12 Supplement

12.1 Technical data

General data
316L corresponds to 1.4404 or 1.4435
Materials, wetted parts
Ʋ Process fitting (version up to 6 bar)
Ʋ Process fitting (version up to 40 bar)
Ʋ Process seal on the instrument side
(cable/rod leadthrough)
Ʋ Process seal
Ʋ Rod: ø 8 mm (0.315 in)
Ʋ Rod: ø 12 mm (0.472 in)
Ʋ Cable: ø 2 mm (0.079 in)
Ʋ Cable: ø 4 mm (0.157 in)
Ʋ Inner conductor (up to the cable)
Ʋ Gravity weight (optionally available)
Ʋ Centering weight (optionally available) 316L
Materials, non-wetted parts
Ʋ Plastic housing
Ʋ Aluminium die-casting housing
Ʋ Stainless steel housing - precision
casting
Ʋ Stainless steel housing, electropol-
ished
Ʋ Second line of defence (optional)
Ʋ Seal between housing and housing
cover
Ʋ Inspection window in housing cover
(optional)
Ʋ Ground terminal
Second line of defence (optional)
Ʋ Supporting material
Ʋ Glass potting
Ʋ Contacts
Ʋ Helium leak rate
Ʋ Pressure resistance
Ohmic contact
PBD-51041388
316L and PPS GF 40
316L and PEEK, Alloy C22 (2.4602) and PEEK
FKM (SHS FPM 70C3 GLT), FFKM (Kalrez 6375),
EPDM (A+P 75.5/KW75F), silicone FEP coated (A+P
FEP-O-SEAL)
On site (instruments with thread: Klingersil C-4400 is
attached)
316L or Alloy C22 (2.4602)
316L or Alloy C22 (2.4602)
316 (1.4401) or Alloy C276 (2.4819)
316L or Alloy C22 (2.4602)
316L
316L
plastic PBT (Polyester)
Aluminium die-casting AlSi10Mg, powder-coated - basis:
Polyester
316L
316L
Borosilicate glass GPC 540 with 316L and Alloy C22
(2.4602)
NBR (stainless steel housing, precision casting), silicone
(aluminium/plastic housing; stainless steel housing,
electropolished)
Polycarbonate (with Ex d version: glass)
316L
316L
Borosilicate glass GPC 540
Alloy C22 (2.4602)
< 10 mbar l/s
-6
See process pressure of the sensor
Between ground terminal, process fitting and probe
SITRANS LG250 - Operating Instructions
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