Self-priming sewage pump
50ZW(F)20-40
ZW self-priming
50ZW(F)20-40 is a self-priming sewage pump from the CNP ZW self-priming range. Rated 20 m³/h at 40 m, 5.5 kW. Net weight 180 kg.
- External mixing structure combining self-priming and non-clogging in one design
- Unique pump body and impeller flow passage for strong sewage discharge
- Oil chamber behind the mechanical seal for reliable seal operation
Rated duty
20m³/h
40m head
5.5kW
2900rpm
Installation dimensions (mm)
L880
L1630
L2105
L3420
L4115
L5190
H1245
H2395
H3610
B280
B1250
n4
d14
Inlet flange
d199
K1125
D1165
n14
L1 bolt hole Ø19
Outlet flange
d284
K2110
D2150
n24
L2 bolt hole Ø19
More data
- Inlet DN (mm)
- 50
- Outlet DN (mm)
- 40
- Max efficiency (%)
- 45
- Max self-priming height (m)
- 5
- Stainless flow parts
- ZWF version available
- Solids basis
- Derived from the catalogue rule: particle diameter up to 60 % of the pump diameter (DN)