10
7.1 Fixing elements for receiving the electrodes
The flanges, seals, screws and nuts listed in the table below are laid out in
accordance with the Technical Rules for Steam Boilers (TRD) and tested by the
Technischen Überwachungsverein (TÜV) [Technical Inspection Agency].
Flange according to DIN
Drilling plans 1-8
“Bohrbild” means: drilling plan
Seals according to DIN
PN
DN
DIN
Sealing
surface
Form
Threaded hole
Material
40
2635
B
63
2636
100 / 160
50
2638
DIN 2526
E
according to drilling
plan
1,2
1.0460
40
2635
B
63
2636
100 / 160
100
2638
DIN 2526
E
according to drilling
plan
1,2,3,4,5,6,7,8
1.0460
PN
DN
DIN
Material
40
EN 1514-1 IBC
asbestos-free
63
100 / 160
50
2697
RSt 37-2/ 0.5
graphite
40
EN 1514-1 IBC
asbestos-free
63
100/160
100
2697
RSt 37-2/ 0.5
graphite
