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10 Supplement
VEGAFLEX 81 • Modbus and Levelmaster protocol
42283-EN-140430
10 Supplement
10.1 Technical data
General data
316L corresponds to 1.4404 or 1.4435
Materials, wetted parts
Ʋ Processtting 316L and PEEK, Alloy C22 (2.4602) and PEEK
Ʋ Process seal on the instrument side
(rod leadthrough)
FKM(SHSFPM70C3GLT),FFKM(Kalrez6375),
EPDM (A+P 75.5/KW75F), silicone FEP coated (A+P
FEP-O-SEAL)
Ʋ Processtting-forvolatilesubstances
such as e.g. Ammonia
316L
Ʋ Process seal (process side) - for vola-
tile substances such as e.g. Ammonia
Borosilicate glass GPC 540 with 316L and Alloy C22
1)
Ʋ Process seal On site (instruments with thread: Klingersil C-4400 is
attached)
Ʋ Inner conductor (up to the separation
rod)
316L
Ʋ Spacers PFA
Ʋ Tube: ø 21.3 mm (0.839 in) 316L or Alloy C22 (2.4602)
Ʋ Tube: ø 42.2 mm (1.661 in) 316L or Alloy C22 (2.4602)
Materials, non-wetted parts
Ʋ Plastic housing plastic PBT (Polyester)
Ʋ Aluminium die-casting housing Aluminium die-casting AlSi10Mg, powder-coated - basis:
Polyester
Ʋ Stainless steel housing - precision
casting
316L
Ʋ Stainless steel housing, electropol-
ished
316L
Ʋ Second line of defence (optional) Borosilicate glass GPC 540 with 316L and Alloy C22
Ʋ Seal between housing and housing
cover
NBR (stainless steel housing, precision casting), silicone
(aluminium/plastic housing; stainless steel housing,
electropolished)
Ʋ Inspection window in housing cover
(optional)
Polycarbonate (with Ex d version: glass)
Ʋ Ground terminal 316L
Second line of defence (optional)
Ʋ Supporting material 316L
Ʋ Glass potting Borosilicate glass GPC 540
Ʋ Contacts Alloy C22
Ʋ Helium leak rate < 10
-6
mbar l/s
Ʋ Pressure resistance See process pressure of the sensor
1)
Not suitable for hot steam applications