Submersible Sewage Pumps

200mm Submersible Sewage Pumps for Municipal Sump Stations

Name: 200mm Submersible Sewage Pumps for Municipal Sump Stations
Brand: Haquan
SKU: WQ/QW

Model: WQ/QW

200mm WQ/QW submersible sewage pumps, 250-400m³/h across nine variants, GAK-200 coupling, for municipal and industrial-park lift stations.

Specifications

Flow Rate	250-400m³/h
Head	7-30m
Power	11-45kW
Inlet / Outlet Diameter	DN200
Material	Cast Iron, SS304, SS316L

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Product Overview

Nine variants at 200mm reflect how differently “municipal sump station” can be specified depending on flow demand, available head, and whether it’s a continuous-run or intermittent site.

Model	Flow (m³/h)	Head (m)	Power (kW)
WQ-200-300-7	300	7	11
QW-200-250-11	250	11	15
WQ-200-250-15	250	15	18.5
WQ-200-400-10	400	10	22
WQ-200-300-15	300	15	22
QW-200-400-13	400	13	30
WQ-200-250-22	250	22	30
WQ-200-350-25	350	25	37
WQ-200-400-30	400	30	45

The low-head, high-flow models (300-400 m³/h at 7-10m) are the ones most likely to run outside their intended range if the system was designed optimistically. Confirm actual motor current after commissioning rather than assuming the nameplate figure holds. At the top of the table, the 45kW unit isn’t meant for abrasive slurry; standard cast-iron construction wears fast under heavy mineral particulate, and that conversation needs to happen before ordering, not after.