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 scroll impeller design from ShinMaywa Industries, Ltd. (Japan). The scroll impeller 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. Scroll impeller equipped CNWX pumps have already solved several clogging problems in commercial and municipal applications.