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Precision Agricultural & Industrial Pump Solutions
Since 1886, CDS John Blue has been a leader in precision application systems, irrigation-fertigation pump products, and industrial pump solutions. Our legacy is built on skilled engineering, quality materials, and American craftsmanship, ensuring accuracy, reliability, and value for farmers and producers worldwide. With over 130 years of experience, we specialize in agricultural pumps, including piston, centrifugal, and diaphragm pumps, as well as industrial pumps for chemical injection and liquid transfer.

Our patented technologies, such as VisaGage II and Impellicone, set industry standards for innovation and efficiency. We maintain a global sales and service network, offering unmatched support and a two-year unconditional warranty on cast-iron centrifugal pumps. Our commitment to customer satisfaction is reflected in our 'Guaranteed to Do the Job' promise, ensuring dependable solutions tailored to modern agricultural and industrial needs.
Services
Agricultural Pumps Industrial Pumps Centrifugal Pumps Piston Pumps Diaphragm Pumps Chemical Injection Systems Flow Monitoring Equipment Sprayer Pumps 12-Volt Metering Pumps NH3 Application Systems
Highlights and features
  • 130+ years of innovation in agricultural pump technology
  • Patented VisaGage II and Impellicone flow monitoring systems
  • Two-year unconditional warranty on cast-iron centrifugal pumps
  • Global sales and service network with authorized dealers
  • Engineered solutions for precision application and fertigation
What people say
Reliable and effective Best liquid metering pumps Industry leader Proven performance Superb reputation
Services
Agricultural Pumps
John Blue offers precision agricultural pumps for irrigation, fertigation, and chemigation. These pumps ensure accurate liquid application, featuring durable materials like 316 stainless steel and patented technologies for reliability in demanding farm environments. Ideal for modern precision agriculture.
Industrial Pumps
Industrial pump solutions include centrifugal, piston, and diaphragm pumps for chemical transfer and injection. Designed for high-pressure applications, these pumps use corrosion-resistant materials and advanced engineering to meet rigorous industrial standards across diverse sectors.
Flow Monitoring Equipment
Patented VisaGage II and LBMS flow monitors provide real-time data for liquid and NH3 applications. These systems enhance efficiency by preventing over-application, ensuring uniform distribution, and enabling in-cab monitoring for timely adjustments during field operations.
Sprayer Pumps
High-pressure diaphragm and brass gear sprayer pumps deliver precise chemical application. Available in polypropylene and cast iron, these pumps handle corrosive substances efficiently, supporting agricultural and industrial spraying needs with durability and accuracy.
NH3 Application Systems
NH3 application systems include Impellicone flow dividers and VisaGage monitors for accurate anhydrous ammonia distribution. These systems reduce over-application, improve safety, and integrate seamlessly with modern precision farming equipment for optimal nutrient management.
Questions
What types of pumps does John Blue offer?
John Blue offers agricultural and industrial pumps, including centrifugal, piston, diaphragm, and 12-volt metering pumps, along with NH3 application systems and flow monitoring equipment.
Are John Blue pumps suitable for precision agriculture?
Yes, our pumps feature patented technologies like VisaGage II and Impellicone for precise liquid application, ensuring optimal efficiency and yield in precision agriculture.
Does John Blue provide warranties?
Yes, we offer a two-year unconditional warranty on all cast-iron centrifugal pumps and a one-year warranty on other products.
Can I find replacement parts for John Blue pumps?
Yes, authorized dealers and direct contact with John Blue provide access to replacement parts and technical support for all pump models.
Is John Blue an established company?
Founded in 1886, John Blue has over 130 years of experience in manufacturing reliable, high-quality pumps for agricultural and industrial applications.
Do John Blue pumps handle corrosive chemicals?
Yes, our pumps use 316 stainless steel and chemically resistant materials to safely handle corrosive substances in agricultural and industrial settings.