Fire Pumps for Sprinkler Systems Part 2: What Type of Pump Do You Need?

Fire Pumps for Sprinkler Systems Part 2: What Type of Pump Do You Need?

Different buildings have different requirements when it comes to fire pumps. The type of fire pump you choose depends on several factors, including the source, how much space you have, whether it’s a new construction or ….

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Pump Motor Efficiency Part 4: What Is a SMART PUMP?

Perhaps you’ve heard about mandates for higher energy efficiency and the innovations that have emerged to meet these requirements. Integrated control functionality for some HVAC equipment is among these innovations. Fan manufacturers were the first….

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How to Build a Centrifugal Pump Curve Part 3: Motor Selection

How to Build a Centrifugal Pump Curve Part 3: Motor Selection

In Part 2 of our How to Build a Centrifugal Pump Curve series, we added five head/capacity curves to the e-1510 4BD pump curve we are building. These curves reflect the tested performance of pumps with various-size impellers. Now, it's time to focus on the pump’s power requirement and how it....

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How to Build a Centrifugal Pump Curve Part 2: Trimmed Impellers

How to Build a Centrifugal Pump Curve Part 2: Trimmed Impellers

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...

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