Moyno® progressing cavity pumps, built by NOV, are the visionary standard for moving abrasive, viscous, and shear-sensitive materials — from municipal sludge to polymers and specialty chemicals — with minimal wear compared to other positive displacement designs. The lineup serves chemical processing, food & beverage, pharmaceutical, pulp & paper, and petroleum applications. The Rueck Company has nearly 50 years of serving reversed-engineered progressive cavity pumps and parts, stocking and supporting the full range — Centennial, L-Frame, J Series, SWG, 1000 Series, 2000 Series, and Sanitary lines — with parts in stock, fast turnaround, and the service expertise to keep your progressing cavity pumps running at peak performance.