VEGA VEGAPULS 66 (≥ 2.0.0 - ≥ 4.0.0) Foundation Fieldbus - Manual (Page 58)

58
11 Supplement
VEGAPULS 66 • Foundation Fieldbus
36522-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 plated, PP
Ʋ Process seal On site
Ʋ Antenna 316L, Hastelloy C22
Ʋ Antenna impedance cone PTFE, ceramic (99.7 % AL
2
O
3
)
Ʋ seal, antenna system FKM (A+P GLT FPM 70.16-06), FFKM (Kalrez 6375),
silicone FEP coated (A+P FEP-O-SEAL), EPDM
(A+P 75.5/KW75F), PTFE, graphite (99.9 %) and
ceramic
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 fitting Flanges DIN from DN 50, ANSI from 2"
Weight (depending on housing, process
fitting and antenna)
approx. 6.3 … 136 kg (13.89 … 299.8 lbs)
Antenna extension 1.9 kg/m (1.374 lbs/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)
Input variable
Measured variable
The measured quantity is the distance between process
fitting of the sensor and product surface. The reference
plane is the seal surface on the hexagon or the lower
side of the flange.