EditorialCornell Centrifugal Pumps Solve Ragging Problems In A Washington Pump Station Cornell Centrifugal Pumps Solve Ragging Problems In A Washington Pump Station Research and development at a Washington pump station solves ragging problems and reduces electrical costs by 50 percent. Appeared in print as "Spinning Free" By Scottie Dayton January 2015 How We Do It - Wastewater Order Digital Reprints Want a PDF of this article as it appeared in print? Order Here! Filed Under Cornell Pump Company Impeller Sign Me Up! Join your colleagues who already get great content delivered right to their inbox. Sign up Digital! If you don't want to bring your iPad into the bathroom, we can send you a magazine subscription for free! Subscribe to Print! Five variable-speed model 8NHTA 250 hp centrifugal pumps from Cornell Pump serve the 18 mgd (design) 117th Street Pump Station in Vancouver. Pump No. 1 (foreground) ragged up in two hours even when run constantly at 100 percent speed. Severe ragging plagued the 18 mgd (design) 117th Street Pump Station in Vancouver, Wash., from the day it entered service in 2008. The station, built to handle the city’s future growth, has five variable-speed model 8NHTA 250 hp centrifugal pumps from Cornell Pump. Each... Please login or register to view TPO articles. It's free, fast and easy! Popular Stories April 18, 2024 State-of-the-Art Renewable Energy Facility Features Vogelsang Equipment April 18, 2024 News Briefs: Study Says Green Wastewater Treatment Could Save the US Billions April 18, 2024 Three Screening Solutions to Efficiently Remove Debris at the Headworks April 17, 2024 News About Xylem, Flomatic, Zoeller Co. and More April 16, 2024 Prevent Buildup, Reduce Downtime and Lower Maintenance Costs with HydraForce April 16, 2024 Cincinnati Utility Faces Challenges With Lead-Line Replacement Program Discussion Comments on this site are submitted by users and are not endorsed by nor do they reflect the views or opinions of COLE Publishing, Inc. Comments are moderated before being posted. Please enable JavaScript to view the comments.