Maintaining the proper flow in a heat transfer system is very important to ensure that the correct amount of heating or cooling gets to where you need it. This series of calculators can output a range of fluid data including average flow velocity, volumetric flow rate, and pipe inside diameter. You can select to use either our metric or imperial versions depending on your needs. Data is accurate to within two decimal places.
Average Flow Velocity (M/S)
Average Flow Velocity
(m/s)
Volumetric Flow Rate(M3/S)
Volumetric Flow Rate
(m3/s)
Learning Center

Proper Fluid Maintenance and Change-Out Procedures
With literally thousands of uses for heat transfer fluids, it ... Read more

Duratherm Recommended Sampling Procedures and Intervals
Duratherm fluids are engineered to have a long service life ... Read more

What’s the Difference Between a Flush and a System Cleaner?
We’re often asked for a flushing fluid when what’s really ... Read more
Fluid Maintenance: Small Systems
Some basic maintenance tips to help keep your small heat
Sludge Series Part III: How to Clean Sludge Out of Your System
Is your heat transfer system fouled up with sludge? In
Duratherm Fluid Analysis: the Best Just Got Better
Duratherm has always offered one of the most thorough fluid