Warren Rupp
Warren Rupp at Siewert Equipment
Reliable, Seal-Less Pump Technology for the Toughest Industrial Applications
Siewert Equipment is proud to offer Warren Rupp pumps—an industry leader in seal-less, air-operated double diaphragm (AODD) pumps engineered for demanding fluid transfer. As the exclusive SANDPIPER® brand manufacturer, Warren Rupp delivers durable, leak-free performance in applications where reliability, safety, and maintenance access are critical.
With over 50 years of proven engineering and innovation, Warren Rupp pumps are ideal for facilities handling corrosive, abrasive, shear-sensitive, or viscous fluids—without the risk of seal failure or downtime.
Leak-Free, Low-Maintenance Pumping
Founded in 1965 in Mansfield, Ohio, Warren Rupp pioneered the air-operated double diaphragm (AODD) pump and quickly gained a reputation for rugged reliability and engineering excellence. The company was acquired by IDEX Corporation, strengthening its global reach and innovation capabilities.
Warren Rupp developed the Sandpiper® product line—now a benchmark in the AODD industry. Over the decades, they’ve maintained a strong focus on safety, leak prevention, and simplified maintenance, helping industries improve uptime and reduce operational risks. Their products are now installed in thousands of industrial facilities across the world.
Industries & Applications
- Chemical & Petrochemical
- Food & Beverage Processing
- Wastewater & Sludge Handling
- Paint, Coatings & Adhesives
- Mining & Aggregate
- Pharmaceutical & Biotech
- Pulp & Paper
- OEM & Skid-Based Systems
Why Choose Siewert Equipment for Warren Rupp?
- Distributor of Warren Rupp AODD pumps in NY
- Local engineering support and inventory
- Application expertise for challenging fluid properties
- OEM parts and field service support
- Full-service team for troubleshooting, retrofits, and maintenance
Warren Rupp Product Offerings
Sandpiper® AODD Pumps
- Seal-less, self-priming, and dry-run capable
- Models in aluminum, stainless steel, polypropylene, PVDF, and hastelloy
- Wide range of elastomers for chemical compatibility
- Solids-handling capabilities up to 3 inches
- Available in 1/4″ to 4″ sizes with flows up to 300 GPM
- ATEX-certified and FDA-compliant models available
Versamatic® AODD Pumps
- Engineered for general industrial applications
- Reliable, leak-free operation in demanding environments
- Simplified design for easy maintenance and service
- Broad material options for chemical compatibility
- Ideal for OEMs, factories, and fluid transfer applications
Heavy-Duty Ball & Flap Valve Designs
- Handles sludges, slurries, and solids-laden fluids
- Rugged construction for abrasive service
- Low shear pumping for delicate or viscous products
Containment Duty & Leak Detection Models
- Double-diaphragm design with leak barrier
- Ideal for hazardous or regulated fluids
- Built-in sensors alert operators to diaphragm failure
Sanitary & Hygienic Pump Options
- FDA-compliant, CIP-capable designs
- Stainless steel construction with tri-clamp fittings
- For food, beverage, dairy, and pharmaceutical production
What Are Seal-Less AODD Pumps?
Air-Operated Double Diaphragm (AODD) pumps use compressed air to move diaphragms that push liquid through check valves. With no rotating parts, seals, or packing, AODD pumps are ideal for:
- Fluids with solids or abrasive content
- Corrosive or hazardous materials
- Intermittent or portable use
- Applications with frequent startups or dry-run conditions
Key Benefits of Warren Rupp AODD Pumps:
- Self-priming and dry-run capable
- Low maintenance and easy repair
- Leak-free operation with no shaft seal
- Versatile installation (submersible, wall-mounted, portable)
- Safe for explosive or corrosive environments
Service & Support from Siewert Equipment
Siewert Equipment backs every Warren Rupp pump with:
✔ Local engineering and application review
✔ Pump repairs, rebuilds, and parts supply
✔ Start-up assistance and system integration
✔ Preventative maintenance planning
✔ Emergency service and troubleshooting
FAQ: Warren Rupp Seal-Less Pumps
What fluids can Warren Rupp AODD pumps handle?
- A wide range—from acids and slurries to paints, inks, and food-grade materials.
Are these pumps suitable for hazardous environments?
- Yes. Many models are ATEX-certified and constructed for Class I, Div I use.
Can these pumps run dry without damage?
- Yes. Warren Rupp AODD pumps are dry-run capable with no mechanical seals to fail.
Do I need to prime these pumps?
- No. They are self-priming up to 20 feet (suction lift conditions).
What sizes are available?
- From 1/4″ to 4″ discharge sizes, covering flows from 0.5 to 300 GPM.
What is the expected lifespan?
- With proper diaphragm and valve replacement, these pumps can operate reliably for years.
Can I use these pumps in CIP systems?
- Yes. Sanitary models meet FDA and 3-A standards and are CIP capable.
Do you stock spare parts locally?
- Yes. Siewert Equipment carries OEM diaphragms, check valves, seals, and air sections.
Can these be installed outdoors or in mobile skids?
- Yes. These pumps are rugged, portable, and flexible in installation.
Do you offer support with sizing and chemical compatibility?
- Absolutely. Our team ensures proper material selection and pump sizing for your fluid.
Your Local Warren Rupp Distributor in Upstate New York
Siewert Equipment is the authorized distributor of Warren Rupp pumps throughout Upstate New York, with convenient locations in Rochester and Albany. Our team provides application-specific expertise, responsive service, and reliable product support to help your operation run smoothly.
Whether you’re handling aggressive chemicals, viscous slurries, or general process fluids, we’ll help you select and maintain the right seal-less pump solution for your needs.
- New York (serving all Upstate NY) through Siewert Equipment, with offices in Rochester, and Albany.
Ready to Upgrade to a Seal-Less Pump?
Contact Siewert Equipment today to explore our full offering of Warren Rupp AODD pumps and accessories. Improve your system’s safety, efficiency, and reliability with proven seal-less technology from one of the industry’s most trusted names.
Leak-Free, Low-Maintenance Fluid Handling with Warren Rupp
Trust Siewert Equipment for expert pump selection, service, and support for your seal-less pumping needs.
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