We Are Wilden®.
We Make Pumps.
For nearly 70 years, Wilden® has led the world in Air-Operated Double-Diaphragm (AODD) pump technology, setting the standard for safe, efficient fluid transfer. Today, Wilden® continues to innovate with solutions that lower energy costs, extend pump life and improve system safety. Wilden® pumps continuously deliver the critical performance that you and your business rely on.
Wilden® AODD Pumps, Parts & Accessories
Wilden® Air-Operated Double-Diaphragm (AODD) pumps are engineered to deliver reliable, energy-efficient performance while keeping long-term operating costs low. To support maximum uptime, Wilden® also offers a complete line of genuine replacement parts — including air and wet repair kits — as well as accessories like the Equalizer® Surge Dampener that improves system stability and efficiency.
Wilden® Pumps
Wilden® Air-Operated Double-Diaphragm (AODD) pumps are available in clamped or bolted construction, with metal or plastic bodies, and inlet sizes ranging from 0.25" to 3". These pumps deliver reliable fluid transfer for demanding industrial applications.
Wilden® Parts
Authentic Wilden® Air and Wet Repair Kits are engineered for maintaining genuine Wilden® Air-Operated Double-Diaphragm (AODD) pumps, ensuring reliable performance and extended pump life.
Industries and Applications for Wilden® AODD Pumps
General Industrial
Wilden® AODD pumps support a wide range of industrial processes — including fluid transfer, dewatering, and coolant cycling — delivering reliable performance in diverse environments.
Chemical and Process
Engineered for safety and durability, Wilden® pumps handle bulk transfer, filling, waste processing and bulk powder applications, even when working with harsh or hazardous materials.
Food and Beverage
Trusted worldwide, Wilden® pumps deliver hygienic, consistent performance in processing, canning and bottling applications where product safety and efficiency are critical.
Oil and Gas
From production and refining to transportation, Wilden® pumps provide robust fluid transfer solutions that withstand the demanding conditions of the oil and gas industry.
Marine
Wilden® AODD pumps power essential marine operations — including firefighting, bilge stripping, wastewater transfer and filling — with reliable performance at sea.
Water and Wastewater
Durable and abrasion-resistant, Wilden® pumps are proven in treatment, distribution and disposal systems, keeping water and wastewater facilities running efficiently.
Wilden family of Air-Operated Double- Diaphragm (AODD) pumps incorporates the latest technology to increase productivity while reducing energy consumption, air consumption and maintenance.
Wilden AODD Pump
Series Offerings
Air Distribution System (ADS) is the heart of any AODD pump and the biggest influencer in how the pump ultimately performs in regard to flow rate, efficiency and reliability. Wilden offers its AODD pumps in two series based on the ADS that is utilized:
Wilden Pumps
Wilden Air-Operated Double-Diaphragm (AODD) pumps are available in clamped or bolted construction, metal or plastic bodies ranging from 0.25" to 3" inlet size.
Wilden Parts
Authentic Wilden Air and Wet Repair Kits recommended for repairing or maintaining genuine Wilden Air-Operated Double- Diaphragm (AODD) pumps.
Markets &
Applications
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General Industrial Fluid Transfer, Dewatering, Coolant Cycling |
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Chemical and ProcessBulk Transfer, Filling,
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Food and BeverageProcessing, Canning, Bottling |
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Oil and GasProduction, Refining, Transportation |
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MarineFire Fighting, Bilge Stripping, Waste
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Water and WastewaterTreatment, Distribution, Disposal |
The Inventor of the AODD Pump Technology
In 1955, Jim Wilden revolutionized the pumping industry when he invented the air-operated double-diaphragm (AODD) pump.
Since that time, Wilden® has forged a long-lasting legacy as the global leader in AODD pump technology. Thanks to a dedication to pioneering new innovations while providing unparalleled excellence in customer satisfaction, our family of AODD pumps is unmatched in reliability, durability, efficiency, and performance.
Why Choose Wilden® AODD Pumps?
Wilden® Air-Operated Double-Diaphragm (AODD) pumps are trusted worldwide for reliable, efficient and safe fluid transfer. Built to withstand corrosive chemicals, abrasive slurries and sensitive media, Wilden® pumps combine durability, innovation and easy maintenance to keep processes running with minimal downtime.
Engineered for the Toughest Applications
Across industries, Wilden® pumps are the solution of choice when reliability matters most:
- Chemical Processing: safe transfer of acids, caustics and solvents.
- Food and Beverage: reliable, sanitary handling and processing, canning and bottling.
- Mining and Industrial: rugged performance for slurries and aggressive fluids.
- Paint and Coatings: consistent transfer of pigments, resins and solvents.
- Pharmaceuticals: hygienic design and precision for critical applications.
- Water and Wastewater: abrasion-resistant pumps designed for treatment, distribution and disposal.
Wilden® Pump Technologies That Set the Standard
Accu-Flo™ AODD Pumps
Accu-Flo™ pumps use solenoid-actuated operation to deliver precise, accurate dosing and flow control, making them ideal for metering and batching applications.
Brahma™ AODD Pumps
Brahma™ AODD pumps are designed to handle large solids and viscous slurries, offering unmatched performance in the most challenging fluid handling applications.
Pro-Flo® AODD Pumps
The original Pro-Flo Air Distribution System (ADS) established Wilden® as the AODD market leader, providing reliable performance and long-lasting pump life.
Pro-Flo® SHIFT AODD Pumps
The Pro-Flo® SHIFT ADS represents the next generation of efficiency, reducing air consumption by up to 60% while lowering operating costs. It delivers unmatched energy savings without sacrificing flow or reliability.
Saniflo™ Hygienic™ Series (HS) Pumps
The Saniflo™ Hygienic™ Series is designed specifically for sanitary applications such as food, beverage, dairy pharmaceutical and biotech. These pumps meet stringent hygienic standards, ensuring safe and efficient fluid transfer.
Stallion® AODD Pumps
The Stallion® series of AODD pumps is engineered for abrasive and solid-laden fluids, making it ideal for mining, construction and other heavy-duty industries.
Turbo-Flo™ AODD Pumps
The Turbo-Flo™ ADS is engineered for high-flow performance and reliability, offering efficient operation for demanding industrial applications.
Genuine Wilden® Parts and Accessories
To maintain peak performance, Wilden® pumps should always be paired with genuine Wilden® parts and accessories. Authentic air and wet repair kits and OEM diaphragms are built to exact specification, ensuring pumps operate safely and efficiently while maintaining warranty coverage. By using genuine parts, operators can reduce downtime, extend diaphragm life and protect your investment.
Bunalast™ and Saniflex™ Diaphragms
Wilden® offers diaphragm materials such as Bunalast™ and Saniflex™, each engineered for specific chemical and temperature compatibility. These options give you flexibility to match diaphragm material to fluid type, extending pump life and ensuring safe transfer.
Chem-Fuse™ Diaphragms
Chem-Fuse™ integral piston diaphragms eliminate outer piston abrasion, reduce leak points and last 2-3x longer (up to 15x in some cases) than conventional diaphragms. They improve safety and reliability in chemical and industrial applications.
Equalizer™ Surge Dampeners
Equalizer™ surge dampeners are engineered to reduce pulsation and vibration across the entire pump system, improving flow stability and protecting downstream equipment. Available in multiple series — including the SD series for general industrial use and options for hygienic or specialty applications — Equalizer™ surge dampeners help extend equipment life, reduce maintenance and deliver smoother, surge-free operation in demanding processes.
We Are Wilden®
With all our pumps and parts manufactured in house by us, the advantages are clear:
- Energy-efficient operation that lowers total cost of ownership.
- Proprietary innovations like Pro-Flo®, Pro-Flo® SHIFT, Chem-Fuse™ diaphragms and the Equalizer™ surge dampener.
- Proven durability and reliability in critical industries.
From using our pumps in greenhouses to aid with farming to implementing our pumps in reverse osmosis systems to clean wastewater, Wilden® remains the global leader in AODD pump technology — delivering solutions that move businesses forward.
Find the right Wilden® solution for your application and keep your system running at its best.
Frequently Asked Questions About Wilden® Products
Wilden® pumps, parts, diaphragms and repair kits are available through our global distribution network, the PSG® Store or by contacting us directly.
As the inventor of Air-Operated Double-Diaphragm (AODD) technology, Wilden® continues to lead the industry with pumps that deliver unmatched reliability, efficiency and durability. Innovations like the Pro-Flo® SHIFT air distribution system and Chem-Fuse™ diaphragms help operators lower energy costs, extend pump life and minimize downtime.
If your pump body and main components are in good condition, replacing diaphragms, air valves or using a genuine repair kit may restore full performance. If the pump casing is damaged or if your process has changed, upgrading to a new Wilden® pump may be the better option. If you have any questions you can always reference your pump's instruction manual or contact us and speak to one of our Wilden® experts.
Pump selection depends on factors like fluid type, flow rate, pressure, chemical compatibility, and temperature. You can use the PSG® Store Pump Finder or contact us for expert support to ensure the right fit for your process.
Yes. Wilden® AODD pumps are designed with a wide range of wetted-path materials — including metals and engineered plastics — that allow safe transfer of corrosive, abrasive and hazardous fluids. Chemical compatibility depends on the pump's body and diaphragm material, as well as the fluid type, temperature and concentration. To ensure the best fit contact us to speak with a Wilden® expert or use the PSG® Store Pump Finder to match your application with the correct material configuration.
Yes. Wilden® manufactures diaphragm pumps compatible with a variety of elastomer materials, including rubber-based options such as Buna-N (Nitrile) and Santoprene®. These diaphragms are widely used in applications requiring chemical resistance, durability and cost efficiency. Choosing the right diaphragm material depends on your fluid type, operating conditions and industry standards. If you have any questions about what diaphragm type works best for you please, please contact us.
Wilden® pumps are available in inlet/outlet sizes from 0.25" to 4". The correct size depends on your required flow rate, system pressure and application needs. The PSG® Store Pump Finder can help match the proper pump to your process conditions.
You can access official Wilden® diaphragm pump diagrams in the pump's product manual, or you can contact us and one of our Wilden® experts will be happy to assist you in finding the diagram you're looking for.
Genuine Wilden® parts — including air and wet repair kits — are engineered to factory specifications. They ensure peak performance and extend the life of your equipment. Using non-OEM parts risks reduced reliability, higher maintenance and unexpected failures.
Wilden® diaphragm pump repair involves following the service manual for your specific pump model. Repairs typically include replacing diaphragms, air valves, seals or other wetted path components. If you have any questions about getting your Wilden® diaphragm pump repaired, please contact us and one of our experts would be happy to help you.
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