21
p
Flange PN 40, PN 63, PN 160, DN 50, DIN EN 1092-01 (single electrode)
Flange PN 40, PN 63, PN 160, DN 100, DIN EN 1092-01 (electrode combination)
GESTRA hat flange PN 320, DN 50, DIN EN 1092-01 (NRG 111-11)
q
For the approval of the boiler standpipe the relevant regulations must be considered.
r
Vent hole
Provide bore as close as possible to the boiler wall!
s
High water HW
t
Electrode rod d = 8 mm
u
Protection tube DN 80 (in France according to AFAQ ≥ DN 100)
v
Protection tube DN 100
w
Electrode distance ≥ 14 mm (creepage distances and clearances)
x
Low water LW
y
Reducer DIN 2616-2, K-88.9 x 3.2 – 42.4 x 2.6 W
Examples of Installation
– continued –
Key