Variable Rate Metering Pumps for Precision Application
When it comes to ag metering pumps and injection pumps for agricultural fertilizers and chemicals, our Next Generation Piston Pump (NGP) will redefine your precision application expectations. Our ground-driven and hydraulic-driven variable rate piston pumps have a reputation and history built on superior performance, serviceability and overall quality.
All John Blue Ag Piston Pumps have been designed, engineered, and extensively field tested to set the standard for liquid metering pumps. In addition, any John Blue Company Piston Pump, regardless of age, can be hydraulically-driven with our Variable Rate Hydraulic Kits or ground-driven with our Universal Drive Assemblies. Plus, we have just recently introduced the new Hydraulic Drive Piston Pumps, a lower cost, more compact solution for variable rate piston pump drives.
Visit our online calculators for Ground Driven and Hydraulic Driven Piston Pumps to accurately calculate flow rates and pump settings. The calculators work in both standard and metric units, and are conveniently available on desktop computers and mobile devices.