Flowserve NRG 16-50 - Manual (Page 14)

4
1 Measuring electrode
2
Bore
3 Spring
4 Electrode tip
5
NRG ...-50: Joint ring 7 x 3, form D, DIN 7603, .430, bright annealed
NRG -50: Joint ring 33 x 39, 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
Design / Functional Elements
– continued –
Key