Flowserve NRGS 16-4 - Manual (Page 13)

13
Key
Flange PN 40, DN 50 to DIN 2501-1
Flange PN 40, DN 100 to DIN 2501-1
For the approval of the boiler standpipe with connecting flange the relevant
regulations must be considered
Provide vent hole as close to the boiler wall as possible!
High water (HW)
Electrode rod d = 5 mm
Protection tube > DN 80
Protection tube > DN 100
Electrode distance > 14 mm
Low water NW
Reducer DIN 2616-2, K 88.9x 3.2- 42.4x 2.6 W
Reducer DIN 2616-2, K 114.3x 3.6 - 48.3 x2.9 W
Centre distance of connecting flanges
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