KROHNE OPTISWITCH 3300C ARV33 16bar EN - Manual (Page 12)

7 Supplement
7.1 Technical data
General data
Material 316L corresponds to 1.4404 or 1.4435
Process fitting
G2A or 2 NPT
Tube diameter of the sensor ø 43 mm acc. to DIN 2463/2462 D4-T3 (ø 1.7 in)
Materials
- Lock fitting
316L or Hastelloy C22 (2.4602)
- Graphite packing rings graphite
- Process seal Klingersil C-4400 1)
Terminal screws Hexagon screws DIN 912 M8 x 30 material
A4-70 acc. to AD leaflet W2; corresponding
spring rings B8 materials A4 acc. to DIN 7980
Holding screw Hexagon screw DIN 7964 M4 x 10 material
A4-70; corresponding spring ring B4 material
A4 acc. to DIN 7980
Torque
- Terminal screws
10 ±1 Nm (7 ±0.7 lbf ft)
- Pressure screw 240 ±10 Nm (177 ±7 lbf ft)
Process conditions
Operating pressure
16 bar (232 psi) Take note of the nominal pressure of the
sensor. The lower permissible operating
pressure is valid.
Product temperature -50 … +150°C (-58 … +302°F)
Approvals 2)
In conjunction with a corresponding level sensor, ARV 67 has the following approvals.
ATEX ia
ATEX II 1G, 1/2G, 2G EEx ia IIC T6
ATEX d ATEX II 1/2G, 2G EEx d IIC T6
ATEX ATEX II 1/2D IP66 T
1) not with thread NPT
2) Take note of the corresponding certificates of the sensor
12 Lock fitting ARV 67 - up to 16 bar for OPTISWITCH 3300 C
Supplement
30925
-EN
-050704