SANDPIPER, the original Warren Rupp pump brand, has held a leading position in the air-operated double diaphragm (AODD) pump market with the broadest range of pump sizes, types and models. Decades of innovation, combined with world class engineering expertise allows the SANDPIPER team to create products that meet the demands of an ever changing market place. SANDPIPER pumps can be found in Petrochemical plants, Oil and Gas fields, food processing, mining, marine and various other applications. Since 1983, Versamatic has set the standard of performance for air-operated double-diaphragm (AODD) pumps. Versamatic air-operated double-diaphragm AODD pumps are the first choice for customers who value reliability, quick delivery and convenience. In addition to having a world-class product offering, the Versamatic brand is supported by superior customer service, application engineering and after-sales support teams that are dedicated to providing reliable, hands-on support from order entry through each product's life cycle. The Cognito brand specializes in thoughtfully engineered electrically operated double diaphragm (EODD) pumps and accessories. Our products are designed to transfer the most challenging fluids efficiently, safely, and dependably. Our goal is to deliver unparalleled reliability, ease of use, and simplified maintenance for long-lasting customer satisfaction.