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In Part 1 of our Building a Pump Curve series, we discussed the parts of an unplotted pump curve. Now it's time to add some curves! In Figure 1, we've added a single head/capacity curve for a 9.5-inch diameter impeller--the largest impeller that can be used with our example pump, a Bell & Gossett e-1510 4BD. During laboratory tests...
Read MoreUnderstanding centrifugal pump curves is essential for designers and installers of hydronic HVAC and plumbing systems. These handy charts provide a wealth of information about a pump's performance capability and help us...
Read MoreThe 2019 edition of ASHRAE Standard 90.1 incorporates a change that significantly impacts the design of high-capacity space heating gas boilers. The standard mandates that gas boilers ranging from 1 to 10 million Btu/h) must be…
Read MoreJMP now sells ClimateMaster ground source heat pumps (GSHP) for the residential market! That's BIG news for residential builders and developers….
Read MoreOptimized impeller pumps with variable frequency drives are often capable of flow and head above the specified conditions of service. In this blog, we demonstrate how….
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