VEGA VEGAPULS 65 (≥ 2.0.0 - ≥ 4.0.0) 4 … 20 mA_HART - two-wire - Manual (Page 57)

57
11 Supplement
VEGAPULS 65 • 4 … 20 mA/HART - two-wire
36515-EN-121011
11 Supplement
11.1 Technical data
General data
316L corresponds to 1.4404 or 1.4435
Materials, wetted parts
Ʋ Process fitting - thread, flange PVDF, 316L, 316L PTFE plated
Ʋ Process seal - Thread PVDF FKM (Viton)
Ʋ Process seal - Thread 316L Klingersil C-4400 (attached)
Ʋ Antenna for sockets 50 mm (1.969 in) PVDF, PTFE
Ʋ Antenna for sockets 100 mm
(3.937 in) and 250 mm (9.843 in)
PTFE
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 and metallic process fitting
Process fittings
Ʋ Pipe thread, cylindrical (ISO 228 T1) G1½ A according to DIN 3852-A with 316L; G1½ A
similar to DIN 3852-A-B with PVDF
Ʋ American pipe thread, tapered 1½ NPT
Ʋ Flanges DIN from DN 25, ANSI from 1"
Torque of the flange screws (min.) 60 Nm (44.25 lbf ft)
Weight 2 … 15.4 kg (4.409 … 33.95 lbs)
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.