Sandpiper (Warren Rupp)
Sandpiper (Warren Rupp) Pumps at Siewert Equipment & Cummins-Wagner
Air-Operated Double Diaphragm Pumps for Industrial and Sanitary Applications
Siewert Equipment (serving Upstate NY) and Cummins-Wagner (serving Virginia) proudly distribute Sandpiper pumps, the flagship brand of Warren Rupp, a pioneer in air-operated double diaphragm (AODD) pump technology. With more than 55 years of industry leadership, Sandpiper offers a robust portfolio of heavy-duty diaphragm pumps built to handle abrasive slurries, corrosive chemicals, high-viscosity fluids, and sanitary-grade materials across a wide range of industries.
Whether you’re dealing with chemical transfer, sludge dewatering, food processing, or hazardous fluid handling, Sandpiper’s rugged construction, advanced air valve systems, and wide availability of OEM rebuild kits make them the go-to solution for reliability, safety, and long service life.
Our teams provide complete product selection, system design, and 24/7 aftermarket service—including in-stock OEM parts and on-site troubleshooting. Trust Siewert Equipment and Cummins-Wagner to help optimize your diaphragm pump system.
Why Choose Sandpiper from Cummins-Wagner & Siewert Equipment?
- Over 30 pump models in stock
- High solids, abrasive, and viscous handling capabilities
- FDA and 3-A compliant pumps for sanitary applications
- Rugged metal and non-metal construction
- Easy to repair with Air End & Wet End Kits
- Authorized service and rebuild centers
Industries Served by Sandpiper
- Chemical Processing
- Mining and Aggregates
- Food & Beverage Production
- Pulp & Paper
- Oil & Gas
- Municipal Wastewater Treatment
- Pharmaceutical & Sanitary Applications
- Paints, Inks, and Coatings
Sandpiper Product Offerings
Heavy Duty Flap Valve Pumps
- Ideal for large solids, sludges, and abrasive materials
Heavy Duty Ball Valve Pumps
- Handles viscosities from water-thin to thick slurries
Containment Duty Pumps
- Provides a second layer of protection for hazardous fluids
OEM Sandpiper Parts
- Air End Kits, Wet End Kits, Gaskets, Balls, Diaphragms, and Seats
FDA Compliant Sanitary AODD Pumps
- Designed for food, beverage, and pharmaceutical processes
History of Sandpiper / Warren Rupp
Warren Rupp, headquartered in Mansfield, Ohio, was founded in 1965 and quickly established itself as an innovator in fluid handling. Its Sandpiper line became one of the first AODD pump brands on the market, setting standards for reliability, versatility, and ease of maintenance.
Sandpiper introduced pioneering solutions such as leak detection systems, containment duty models, and flap valve designs capable of handling line-size solids. With a focus on safety, serviceability, and engineering excellence, Sandpiper pumps are now trusted worldwide in chemical, mining, petrochemical, municipal, and sanitary processing industries.
Today, Sandpiper continues to lead with advanced offerings in AODD technology, supported by a strong network of authorized distributors like Cummins-Wagner and Siewert Equipment.
Service and Support
Siewert Equipment offers expert Sandpiper support across Upstate New York. From pump selection to emergency repair, our technicians provide field service, in-house repairs, and OEM parts stocking at all locations. Explore our services.
Cummins-Wagner supports Virginia from its Ashland location, preventative maintenance programs, pump rebuilds, and 24/7 emergency response. View our service offerings.
Your Local Sandpiper Distributor
Siewert Equipment is your authorized Sandpiper pump distributor for Upstate New York, with offices in Rochester, Albany, Buffalo, and Syracuse.
Cummins-Wagner is your trusted Sandpiper distributor for Virginia, with service based out of Ashland.
Serving:
- New York (serving all Upstate NY) through Siewert Equipment, with offices in Rochester and Albany.
- Virginia (serving the state of VA), with an office in Ashland, VA.
Need Reliable AODD Pumps for Your Process?
Contact Siewert Equipment or Cummins-Wagner today to explore Sandpiper diaphragm pumps engineered for durability, safety, and easy maintenance.
Frequently Asked Questions About Sandpiper Pumps
What is an AODD pump?
- An Air-Operated Double Diaphragm (AODD) pump uses compressed air and two flexible diaphragms to move fluids. It is self-priming, seal-less, and capable of dry running.
Are Sandpiper pumps good for solids and slurries?
- Yes. The flap valve and ball valve designs handle abrasive slurries and suspended solids with ease.
What materials are Sandpiper pumps made from?
- Available in aluminum, stainless steel, polypropylene, PVDF, and other materials for chemical compatibility.
Can I get FDA-compliant models?
- Yes, Sandpiper offers FDA and 3-A sanitary compliant pumps for food-grade and cleanroom applications.
What’s the difference between Air End and Wet End Kits?
- Air End Kits include parts for the air motor; Wet End Kits include diaphragms, seats, and balls that contact the fluid.
How often do I need to replace pump components?
- Replacement intervals vary by application, but routine maintenance with OEM kits helps extend service life.
Are Sandpiper pumps ATEX-rated?
- Yes, many models meet ATEX requirements for explosive environments.
Can these pumps be run dry?
- Yes. Sandpiper AODD pumps can safely run dry without damage, making them ideal for transfer and batching.
Are spare parts readily available?
- Yes. Both Siewert Equipment and Cummins-Wagner stock a wide range of OEM parts for fast delivery.
Can you repair my existing Sandpiper pump?
- Absolutely. We provide full rebuild services, inspections, and performance testing at our authorized facilities.
Explore Rugged Sandpiper Pump Technology Today
Expert Technicians | OEM Kits Available | Fast Local Delivery
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