Metallic EODD Pumps

    Cognito by SANDPIPER metallic EODD pump

    Reliable, Efficient, and Sustainable Fluid Transfer

    Cognito Electric-Operated Double Diaphragm (EODD) Metallic Pumps are built with a robust mechanism to meet the demands for increased production efficiency and lower total cost of ownership.

    Our pumps and accessories ensure the smooth handling of various fluids and slurries, making them highly versatile. Their advanced smart technology enables remote connectivity, monitoring, and analysis of your equipment. With Cognito EODD pumps, you can expect higher energy efficiency, quick and easy maintenance, and reduced operational costs.


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    View the Global Service Manual for additional product information and specs.


    Metallic EODD Pump FAQs


    What are the benefits of Cognito Metallic EODD Pumps?

    Cognito Metallic EODD pumps are engineered to deliver reliable performance, energy efficiency, and long service life in demanding fluid transfer applications.

    Built with a robust pumping mechanism and durable metallic construction, these pumps can handle abrasive, viscous, and solids-laden fluids commonly found in industrial processes.

    Key benefits of Cognito Metallic pumps include:

    • Up to 75% lower energy consumption compared to pneumatic diaphragm pumps
    • Sealless pump design that eliminates mechanical seal failures
    • Reliable handling of abrasive and solids-laden fluids
    • Reduced maintenance requirements and longer service life
    • Available in multiple pump sizes to support a wide range of flow requirements

    By combining durability with efficient electric operation, Cognito Metallic pumps help facilities reduce energy costs, downtime, and total cost of ownership.


    What does “Repair in Place” mean for Cognito Metallic EODD Pumps?

    Repair in place means Cognito Metallic electric operated double diaphragm (EODD) pumps are designed to be serviced without removing the pump from the piping system. This design minimizes downtime and simplifies routine maintenance for plant teams.

    Instead of disconnecting lines and removing the pump from service, technicians can access key internal components directly on the installed pump.

    Benefits of repair-in-place pump design include:

    • Reduced maintenance downtime and shorter service windows
    • Lower labor costs because the pump stays installed
    • Faster access to diaphragms and wear components
    • Less disruption to surrounding piping and equipment
    • Simplified maintenance procedures for plant teams

    This service-friendly design helps facilities maintain continuous production and improved equipment uptime, especially in demanding industrial environments.


    Where can I find performance information for Cognito Metallic Pumps?

    Each Cognito Metallic EODD pump undergoes extensive testing and validation to ensure reliable performance across industrial applications. Performance data is captured during testing so customers can confidently select the right pump for their system.

    You can find detailed performance information through several resources on the Cognito website.

    Available performance resources include:

    • Product data sheets and technical documentation
    • Installation and service manuals
    • Application guidance for fluid transfer systems

    These resources provide the information needed to evaluate flow rate, pressure capability, materials compatibility, and operating conditions.

    For complete technical details, visit the EODD Pumps product page, where you can access specifications and documentation for all available models.


    What happens if a diaphragm ruptures on a Metallic EODD Pump?

    Cognito Metallic EODD pumps feature double shaft lip seals and PTFE-coated spill containment chambers that capture fluid entering behind the diaphragm. This design protects the people, the pump, and the process, preventing leaks and internal damage in the event of a diaphragm failure.


    Are Metallic EODD Pumps quieter than comparable AODD units?

    Yes. Cognito EODD pumps operate at less than 80 dB across the entire flow range, compared to AODD pumps, which can exceed 100 dB, well above the 85 dB threshold where hearing protection is typically required.


    EODD comparison chartCognito EODD Pump Features

    • Oversized Diaphragms and Reduced Stroke Length: Enhance diaphragm life.
    • Hardened Stainless Steel Stopper Cages/Seats: Reduce abrasion and wear.
    • Dual Shaft Seals: Protect the pumping mechanism from harsh process fluids.
    • Leak Detection Probes: Standard to protect both the pump and the process fluid.
    • Horizontal or Vertical Motor Configurations: Reduce the pump's overall envelope size.
    • Available Pulsation Dampeners: Can be incorporated onto the pump itself.

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    We are committed to providing the ideal product to meet your industrial needs with our comprehensive, self-contained systems. Our thoughtfully engineered products and expert teams are here to assist you.

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    Robust & Designed to Last

    EODD Pump Advantages

    Our pumps are efficient and easily monitored to deliver cost savings and peace of mind. They offer:

    • Higher Energy Efficiency (up to 75% energy savings compared to pneumatic pumps)

    • Swift ROI/Payback

    • Self-Priming  —  Up to 8m (26 ft) Suction Lift

    • Sealless Pump

    • Handling of Solids and Slurries

    • Mechanical Side Chambers Equipped With Leak Detection

    • Predictive Maintenance & Remote Monitoring

    • Low Maintenance Cost

    • Run Dry Capable

    Design Features

    cognito eodd pump diagram


    Industries We Serve

    Our robust and efficient EODD pumps are designed to meet the unique challenges of these industries, ensuring reliable fluid transfer and enhanced productivity. Explore how Cognito can support your industry’s specific needs.

    Ceramics

    We have in-depth knowledge of slurry/slip and glaze transfer applications and the challenges faced in ceramics manufacturing operations.

    Paints, Coating, Dyes & Pigments

    Remotely monitor the performance of pumps and predict maintenance in order to avoid leakage and interruption in paint and coating operations.

    Pulp, Paper & Packaging

    EODD pumps allow you to handle both corrosive fluids and slurry while manufacturing pulp and paper.

    Metals & Mining

    High-performance EODD pumps withstand the harsh conditions of the metals and mining industry.

    Chemical & Specialty Chemical

    EODD pumps ensure precise fluid handling and reliable performance in demanding chemical & specialty chemical applications.

    Lithium Battery

    Cognito offers advanced pumps tailored for the lithium battery industry, providing precise and reliable fluid transfer essential for high-quality battery production.

    Oil & Gas

    Robust and reliable EODD pumps are designed to handle the demanding fluid transfer needs of the oil and gas industry.

    Pharmaceutical

    Cognito delivers hygienic and precise pumps for the pharmaceutical industry, ensuring reliable fluid transfer and adherence to stringent safety and quality standards.

    "Starting the pump when it trips at the end of the batch after the pressure spike shooting above the design limit was a major challenge for us. The Cognito Pump helped us eliminate this and many other issues from our production process, and proved to be a boon for our organization. The pump has had a huge impact on our processes."

    - International Sanitaryware Company

    "The absence of a reliable indication or alarm of suction choking was a big pain for us as it led to pumps running in dry condition and rupturing the diaphragm. Cognito EODD pumps solved the problems for us and help us achieve better productivity while keeping the maintenance cost to a minimum."

    - Leading Tire Manufacturer

    "The Cognito EODD pump and the innovative engineering by their team helped us maintain line pressure at set value throughout the process. The pressure-speed control system deployed by the team solved multiple issues for us by bringing down higher energy consumption and eliminating critical parts damage."

    - Leading Sanitaryware Producer



    Video

    Easy Maintenance

    Our pumps are designed for easy maintenance to minimize downtime and maximize productivity. See how simple it is to maintain your EODD pump and keep it running smoothly.


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