ShinMaywa (America), Ltd. offers the CNWX series of heavy-duty, non-clog submersible pumps for the commercial, industrial and municipal wastewater markets.
These pumps feature the revolutionary new single vane non-clog impeller design from ShinMaywa Industries, Ltd. (Japan). The "SCROLL IMPELLER^TM" 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.

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.