CNWX (2-10HP, 3"-6" Non-Clog)
Non-Clog Submersible Pump CNWX series
ShinMaywa (America), Ltd. offers the CNWX series of heavy-duty, non-clog submersible pumps for the industrial and municipal wastewater markets.
These pumps feature the revolutionary new single vane non-clog impeller design from ShinMaywa Industries, Ltd. (Japan). The "SCROLL IMPELLERTM" design incorporates a helix formed passage at the inlet which is smoothly connected to the single vane non-clog passage. This design virtually eliminates clogging, plugging, and entangling of fibrous materials resulting in reduced maintenance costs and electrical power consumption.
Non-clog impeller equipped CNWX pumps have already solved several clogging problems in commercial and municipal applications.
SCROLL IMPELLERTM
Innovative Pass-Through Technology
ShinMaywa’s revolutionary new single vane non-clog impeller has a helix formed passage at its inlet, and a single vane non-clog passage, which significantly improve solids handing.

Non-Clog Submersible Pump CNWX Video
"High pass-through capability (Pass-through test)"
[Play Time: 2minutes 21seconds]
"An actual case in Toyota City"
[Play Time: 2minutes 37seconds]
Data Download
1. General Specifications
- 1-1. General Specifications
2. Performance Curve
- 2-1. CNWX 208V Performance Curve
- 2-2. CNWX 230V or 460V Performance Curve