Flowserve NRG 16-51 - Manual (Page 14)

4
1 Measuring electrode
2
Bore
3 Spring
4 Electrode tip
5
NRG ...-5: Joint ring 7 x 3, form D, DIN 7603, .430, bright annealed
6 Seating surface
7 Electrode thread
8 Thermal insulation, provided on site, d = 0 mm (outside of thermal insulation of steam boiler)
9 Screw M 4
0
Cover
a Upper part of the terminal box
b
Connecting plate
c Insulating plate
d Contact plate of level electrode
e
Cable strain relief
f Cable gland M 6 (PG 9)
g Housing screws M 4
h
Cable gland M 0 x .5
i Housing cover
j
Nut
k Terminal strip
Functional Elements
– continued –
Key