VEGA VEGAFLEX 86 4 … 20 mA_HART two-wire Coax probe With SIL qualification - Manual (Page 73)

73
12 Supplement
VEGAFLEX 86 • 4 … 20 mA/HART two-wire
44231-EN-130823
12 Supplement
12.1 Technical data
General data
Material 316L corresponds to 1.4404 or 1.4435
Materials, wetted parts
Ʋ Process fitting - coax 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 Tube: ø 42.2 mm (1.661 in) 316L or Hastelloy C22 (2.4602)
Ʋ Process seal on the instrument side
(cable/rod leadthrough)
Ceramic-graphite
Ʋ Process seal On site
Ʋ Inner conductor (up to the separation
rod)
316L
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
Process fittings
Ʋ Pipe thread, cylindrical (DIN 3852-A) G1½
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 Tube: ø 42.2 mm (1.661 in) approx. 3100 g/m (33.3 oz/ft)
Probe length L (from seal surface)
Ʋ Tube: ø 42.2 mm (1.661 in) up to 6 m (19.69 ft)
Ʋ Trimming accuracy - tube ±1 mm
Lateral load