Sandpiper is a brand by Warren Rupp. It was introduced in 1968 and has since established a reputation as the pioneer and global leader in designing and manufacturing the original air-operated double-diaphragm (AODD) pumps
. The Sandpiper S20 pump (non-metallic AODD) and Sandpiper S30 pump (metallic AODD) are among the brand’s most in-demand products. These models are recognized as top-quality acid pumps and fuel transfer pumps. This award-winning brand also boasts its Signature Series of AODD pumps including Standard Duty, Containment Duty, Heavy Duty Ball and Heavy-Duty Flap Valve pumps, Special Duty and Natural Gas Pumps.