VEGA VEGAPULS 68 (≥ 2.0.0 - ≥ 4.0.0) Foundation Fieldbus - Manual (Page 63)

63
11 Supplement
VEGAPULS 68 • Foundation Fieldbus
36538-EN-121011
11 Supplement
11.1 Technical data
General data
316L corresponds to 1.4404 or 1.4435
Materials, wetted parts
Ʋ Process fitting 316L, Hastelloy C22, Monell Alloy
Ʋ Process seal On site (instruments with thread: Klingersil C-4400 is
attached)
Ʋ Antenna 316L, Hastelloy C22, Tantalum, 316L electropolished,
stainless steel investment casting 1.4848, Monell Alloy,
316L Safecoat coated
Ʋ Antenna impedance cone PTFE TFM 1600 or PTFE INOFLON M290, PP, PEEK,
ceramic (99.7 % Al
2
O
3
)
Ʋ seal, antenna system FKM (SHS FPM 70C3 GLT), FFKM (Kalrez 6375), FFKM
(Kalrez 2035), FFKM (Kalrez 6230 - FDA), graphite
(99.9 %)
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 316L
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
Ʋ Ground terminal 316L
Ohmic contact Between ground terminal, process fitting and antenna
Process fittings
Ʋ Pipe thread, cylindrical (ISO 228 T1) G1½ A according to DIN 3852-A
Ʋ American pipe thread, tapered 1½ NPT, 2 NPT
Ʋ Flanges DIN from DN 25, ANSI from 1"
Weight
Ʋ Instrument (depending on housing,
process fitting and antenna)
approx. 2 … 17.2 kg (4.409 … 37.92 lbs)
Ʋ Antenna extension 1.6 kg/m (1.157 lbs/ft)
Length antenna extension max. 5.85 m (19.19 ft)
Torque for NPT cable glands and Conduit tubes
Ʋ Plastic housing max. 10 Nm (7.376 lbf ft)
Ʋ Aluminium/Stainless steel housing max. 50 Nm (36.88 lbf ft)