VEGA VEGAFLEX 86 4 … 20 mA_HART two-wire Rod and cable probe With SIL qualification - Manual (Page 81)

81
12 Supplement
VEGAFLEX 86 • 4 … 20 mA/HART two-wire
44234-EN-130823
12 Supplement
12.1 Technical data
General data
316L corresponds to 1.4404 or 1.4435
Materials, wetted parts
Ʋ Process fitting - rod version 316L and Aluminium oxide-ceramic 99.7 % (Al
2
O
3
),
Hastelloy C22 (2.4602) and Aluminium oxide-ceramic
99.7 % (Al
2
O
3
)
Ʋ Process fitting - cable version 316L and Aluminium oxide-ceramic 99.7 % (Al
2
O
3
)
Ʋ Rod: ø 16 mm (0.63 in) 316L or Hastelloy C22 (2.4602)
Ʋ Cable: ø 2 mm (0.079 in) 316 (1.4401)
Ʋ Cable: ø 4 mm (0.157 in) 316 (1.4401)
Ʋ Gravity weight (optionally available) 316L
Ʋ Centering weight (optionally available) 316L
Ʋ Process seal on the instrument side
(cable/rod leadthrough)
Ceramic-graphite
Ʋ Process seal On site
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 Borosilicate glass GPC 540
Ʋ Seal between housing and housing
cover
NBR (stainless steel housing, precision casting), silicone
(aluminium/plastic housing; stainless steel housng,
electropolished)
Ʋ Inspection window in housing cover
(optional)
Polycarbonate (with Ex d version: glass)
Ʋ Ground terminal 316L
Ohmic contact Between ground terminal, process fitting and probe
Process fittings
Ʋ Pipe thread, cylindrical (ISO 228 T1) G1½ according to DIN 3852-A
Ʋ American pipe thread, conical
(ASME B1.20.1)
1½ NPT
Ʋ Flanges e.g. DIN from DN 50, ANSI from 2"
Weight
Ʋ Instrument weight (depending on
process fitting)
approx. 6 … 12 kg (13.23 … 26.46 lbs)
Ʋ Rod: ø 16 mm (0.63 in) approx. 1580 g/m (17 oz/ft)