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Standard Duty Non-Metallic Pumps are ideally suited for intermittent / on-demand, portable, moderately abrasive fluids, and suspended solids. Standard duty pumps are constructed in Aluminum, Cast Iron, Stainless Steel and non-metallic materials such as PTFE, Polypropylene, and PVDF with elastomer TPE (thermal plastic elastomers) and PTFE options in diaphragms and check valves. These air operated diaphragm pumps are also known as sealless pumps.
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.