Water and Wastewater Products & Services

McNish Corporation includes four divisions that provide products and services globally for the water and wastewater industry. Three of the divisions; Amwell, E & I Corporation, and Walker Process Equipment provide custom engineered products. RBC Services provides specialized services for RBC (Rotating Biological Contactor) installations. Now for the first time, McNish Corporation is offering a selection of clarifier drive assemblies for circular clarifier and thickener mechanisms directly from the McNish manufacturing facility.

National Hydro Systems (NHS), a former division of McNish Corporation, was closed in the early 1990's. If you require information or parts for an existing NHS installation please click here.

Standard Circular Clarifier Drives & Thickener Mechanism Drives

A wide range of McNish standard drive assemblies are available for both bridge supported and pier supported circular clarifier tanks and thickener mechanisms. The details for each assembly can be found on the following pages. These assemblies have well over a half century of proven reliability and remain the preferred type of drive assembly in current specifications. All drives are manufactured tested and certified in the McNish Corporation manufacturing facility in Aurora, IL USA.


Custom Engineered Products