Supplement; Technical Data - Siemens SITRANS LG270 Operating Instructions Manual

11 Supplement

11.1 Technical data

General data
Material 316L corresponds to 1.4404 or 1.4435
Materials, wetted parts
Ʋ Process fitting - rod version
Ʋ Tube: ø 42.2 mm (1.661 in)
Ʋ Process seal on the instrument side
(cable/rod leadthrough)
Ʋ Process seal
Ʋ Inner conductor (up to the separation
rod)
Ʋ Spacer
Materials, non-wetted parts
Ʋ Plastic housing
Ʋ Aluminium die-cast housing
Ʋ Stainless steel housing (precision
casting)
Ʋ Stainless steel housing (electropol-
ished)
Ʋ Second Line of Defense
Ʋ Seal between housing and housing lid Silicone SI 850 R
Ʋ Inspection window in housing cover
(optional)
Ʋ Ground terminal
Ʋ Cable gland
Ʋ Sealing, cable gland
Ʋ Blind plug, cable gland
Second Line of Defense
Ʋ The Second Line of Defense (SLOD)
is a second level of the process
separation in the form of a gas-tight
feedthrough in the lower part of the
housing, preventing product from
penetrating into the housing.
Ʋ Supporting material
Ʋ Glass potting
Ʋ Contacts
Ʋ Helium leak rate
PBD-51041071
316L, 904L (1.4539), Alloy C22 (2.4602) and Aluminium
oxide-ceramic 99.7 % (Al
Aluminium oxide-ceramic 99.7 % (Al
316L or Alloy C22 (2.4602)
Aluminium oxide-ceramic 99.7 % (Al
On site
Alloy C22 (2.4602)
AL O
2 3
Plastic PBT (Polyester)
Aluminium die-casting AlSi10Mg, powder-coated - basis:
Polyester
316L
316L
Borosilicate glass GPC 540
Polycarbonate (with Ex d version: glass)
316L
PA, stainless steel, brass
NBR
PA
316L
Borosilicate glass GPC 540
Alloy C22 (2.4602)
< 10 mbar l/s
-6
SITRANS LG270 - Operating Instructions
O ) or Alloy C22 (2.4602) and
2 3
O )
2 3
O ) and graphite
2 3
57