Flowserve NRG16-41 - Manual (Page 16)

6
1
Flange PN 40, DN 50, DIN 57
Flange PN 40, DN 00, DIN 57
2
For the approval of the boiler standpipe with connecting flange the relevant regulations
must be considered.
3
Vent hole
(Provide vent hole as close to the boiler wall as possible)
4
High water level (HW)
5
Electrode rod d = 5 mm
6
Protection tube DN 80
7
Protection tube DN 00
8
Electrode distance ≥ 4 mm
9
Low water level
0
Reducer DIN 66-, K-88.9 x 3.- 4.4 x .6 W !
!
Reducer DIN 66-, K-4.3 x 3.6- 48.3 x .9 W
Installation
continued
Key