23
NRG 26-60 - Installation & Operating Manual -
819875-00
Installation
1.
Inspect the sealing surfaces of the tank thread-
ed standpipe or flange cover.
Sealing surfaces must be perfectly machined
as shown in Fig. 7.
Ø
33 mm
G ¾ A ISO 228-1
Ra 3.2
Ra 12.5
0.5 mm
Sealing surface dimensions for NRG 26-60
Fig. 7
2.
Push the supplied sealing ring
H
onto the
seal seat
G
of the electrode, or lay it on the
sealing surface of the flange.
DANGER
Danger to life from escaping
hot steam if incorrect or
defective seals are used.
■
■
Only use the supplied sealing ring
for sealing the electrode thread
I
.
■
◆
Sealing ring D 27 x 32
DIN 7603-2.4068, bright
annealed
Prohibited seal materials:
■
■
Hemp, PTFE tape
■
■
Conductive paste or grease
Example
Fig. 8
G
H
I
