Simple, Rugged Quality


Request for Quote

Griffco Valve Calibration Column

A clear PVC tube installed in the suction line of the pump used to precisely measure the pump output at different pump dial settings and operating conditions. Manufactured by Griffco Valve Inc. The calibration column should have a capacity of at least the maximum volume of the pump for one minute of pump operation.
Capacity - ml Madden Part No.
100 IN500A
200 IN500B
500 IN500C
1,000 IN500D
2,000 IN500E
4,000 IN500F
10,000 IN500G
20,000 IN500H

To learn more about Griffco Valve's calibration column, click here to contact us today!


Faster Lead Times than Neptune & Milton Roy

Madden Manufacturing is currently quoting lead times of:
  • Chemical Metering Pumps @ 1-2 weeks
  • Fully Assembled Chemical Feed Systems @ 3-6 weeks
  • Sample Coolers & Small Heat Exchangers @ < 1 week
  • Emergency/Rush pumps in 1-2 days!

Contact Us

Recent Blog Posts

Chemical Metering Pumps Well Suited for Agricultural Applications Like Nitrogen Injection into Center Pivot Irrigation Systems

What are the Differences Between Intermittent Bottom Blowdown from a Boiler and Continuous Surface Water Blowdown from a Boiler??

What are Appropriate Boiler Blowdown Design Parameters? - Designing recommendations for both continuous surface and intermittent bottom blowdown

View all Blog Posts