8 Applications Where EODD Pumps Excel

Selecting the appropriate pump for your application is crucial for optimal performance, cost-effectiveness, and reliability. The right pump:

• Meets your operational needs including the right pressure, flow rates, viscosity, and chemical resistance
• Minimizes downtime
• Reduces maintenance costs
• Enhances overall efficiency

When looking for industrial pumping solutions, consider Cognito, a pump manufacturer that offers electric-operated double-diaphragm (EODD) pumps to meet diverse application requirements.

When to Use EODD Pumps

EODD pumps are an ideal choice for applications where electricity is readily accessible. Compared to AODD pumps, EODD pumps can offer improved energy efficiency, reduced operating costs, and precise flow control. They excel in demanding environments, making them a go-to pump solution for industries focused on energy efficiency and durability.

Below, we'll discuss the specific applications where Cognito's EODD pumps have proven to be the superior solution.

1. Railcar Unloading Applications

Railcar unloading is a demanding process that requires pumps capable of handling high flow rates and long duty cycles while withstanding the abrasive nature of materials like ceramic slip. Traditional piston pumps often fall short, leading to high maintenance costs and frequent downtime.

The Cognito EODD pump is designed to overcome these challenges. Its hardened stainless steel ball cages and seats protect the manifold elbows from the abrasiveness of ceramic slip, significantly extending the pump's service life. By displacing inefficient piston pumps, the Cognito EODD pump provides a more reliable and cost-effective solution for railcar unloading.

2. Pulp and Paper Starch and Glue Delivery Applications

Pulp and Paper applications often include harsh chemicals and abrasive slurries that can cause substantial wear on traditional pumps. Our pulp and paper pumps are designed to operate efficiently with minimal maintenance, even during long duty cycles. Each paper pulp pump features oversized diaphragms and outer diaphragm plates to protect against damage, ensuring extended service life.

Additionally, our pumps come standard with leak detection probes, which can be connected to a PLC to shut off the pump in case of a diaphragm rupture, protecting your processes, equipment, and personnel.

3. Ceramic Glaze Recirculation Applications

Ceramic glaze recirculation is another application where the Cognito EODD pump excels. These pumps are built to handle the long duty cycles and abrasive nature of ceramic glaze while operating 16+ hours a day. Cognito EODD pump is specifically designed for the ceramics industry, incorporating hardened stainless steel components to protect against wear and tear and extend the pump's service life.

4. Filter Press Feed Applications

Customers previously relying on centrifugal pumps for filter press feed applications have faced environmental issues due to significant pump leakage, high maintenance costs, and poor filter performance.

The Cognito EODD pump resolves these issues by delivering consistent flows and pressures necessary for efficient filtration. By eliminating leaks and reducing downtime, this pump improves filter performance (resulting in a dry cake) while minimizing repair costs.

5. Slurry Recirculation Applications 

In slurry recirculation applications, maintaining consistent pressure and controlling pump speed are vital for efficient operation. Traditional screw pumps often struggle with pressure spikes and tight tolerances, leading to increased wear and tear on essential components.

The Cognito Smart EODD pump, paired with a PID controller, offers a customized automation solution that adjusts pump speed to maintain the desired pressure. This system reduces overall power consumption and minimizes wear and tear, ensuring long-term reliability and cost savings.

6. Mine Ore Processing Applications

Mine ore processing applications are some of the toughest use cases with dirty solids-laden fluids, abrasives, a wide range of changing viscosities, and even frequent needs for deadheading creating ideal conditions for pump failures.

Our mining pumps are designed with exactly this in mind. They feature hardened internal components like stainless steel seats and ball cages (stopper cages) to reduce wear at the elbows and chambers. This extends the pump's life while efficiently transferring abrasive mediums like ore separation, chemical leaching, or froth flotation. Like other diaphragm pumps, they can run dry without damage, and feature leak detection probes to prevent contamination.

7. Fluid Transfer Applications

In fluid transfer applications, especially those involving fluids with impurities, preventing pump damage and minimizing maintenance costs are top priorities. Traditional pumps often face issues like suction choking and dry running, leading to costly repairs and downtime.

Cognito’s EODD pumps address these challenges by incorporating pressure sensors and alarms to detect potential issues before they cause damage. The system automatically shuts off the pump when necessary, protecting the diaphragm and ensuring continuous, reliable operation.

8. Paint Transfer Applications

Paint transfer applications require pumps that can handle precise flow control and maintain efficiency without frequent maintenance. Traditional AODD and screw pumps often fail to meet these requirements.

The introduction of a 4” Cognito EODD pump can have significant improvements in these applications. It significantly reduces energy consumption, eliminates leakages, and resolves frequent maintenance issues, making it the ideal choice for paint transfer operations.

Additionally, EODD pumps are gentle on the products being pumped making them ideal choices for shear sensitive liquids like latex paint.

Why Choose Cognito’s EODD Pumps?

Cognito's EODD pumps are known for their durability, efficiency, and reliability across a range of demanding applications. By choosing Cognito, you benefit from:

• Energy Efficiency: EODD pumps consume less energy compared to traditional pump technologies, reducing operating costs.
• Precise Flow Control: Advanced controls allow for accurate flow adjustments, improving process efficiency.
• Durability: Hardened components ensure long service life, even in abrasive and challenging environments.
• Reduced Maintenance: Innovative design features minimize wear and tear, leading to less downtime and lower repair costs.

Find the Right Solution for Your Application

Selecting the right pump is critical to the success of your operation. For detailed information about specific pump models and accessories, visit our products page. See how our solutions have worked for others in our case studies. If you have questions or need further assistance, don't hesitate to contact us. We're here to help you find the perfect pumping solution for your needs.