
Metering Pumps & Chemical Feed Systems
Our diaphragm metering pumps are designed to stand the test of time. We design and build custom chemical feed systems. Call today to discuss your next project!
1-800-369-6233
Proven, Rugged Metering Pumps
Madden designs chemical metering pumps with the intention of being the most cost-effective product on the market. Our focus is providing a product that minimizes/ eliminates quality issues and down time with accuracy of +/- 1%
Fast Lead Times
Chemical Metering Pumps in 1-2 weeks
Emergency/Rush pumps in 1-2 days!
Made in the USA
Madden products are made in the USA at our Elkhart, Indiana plant since the 1930s.


JN Series
✓
6 Models
✓
1-11 Gallons Per Hour
✓
Up to 250 PSI

MF Series
✓
11 Models
✓
5-75 Gallons Per Hour
✓
35-300 PSI

MH Series
✓
5 Models
✓
96-360 Gallons Per Hour
✓
50-150 PSI
Complete Metering Systems, Industrial Mixers, and Accessories
Looking for a complete solution? Madden offers complete chemical feed systems that come with a platform, a tank, a mixer, a Madden diaphragm metering pump to inject the chemical solution, suction and relief piping. We also offer chemical dosing skids that can hook directly up to your existing tank. These skids include all of the recommended accessories for a complete chemical dosing system.



