As we conclude this series on how to select a centrifugal pump for your hydronic applications we want to leave you with the following “best practices” for overall safe, efficient, and long lasting performance...

Most--if not all--consulting engineers fear under-sizing pump head in a hydronic HVAC application. No one wants the owner to receive ....

There are times when slightly more capacity or a little more safety factor is warranted in a pump selection. Often we are asked about increasing the speed of the motor above the nameplate rated RPM. There are several things to examine.... 

How does RPM (revolutions per minute) impact pump operation? And what RPM is best suited for hydronic applications? A pump’s RPM or “synchronous speed” is determined by the number of magnetic poles in the motor winding as they interact with...

Part 6 of the “How to Pick a Centrifugal Pump” explained the value of internally flushed seals. One question that our customer service team fields every week concerns the material of construction of ....

Whether you install or design hydronic HVAC systems, you are probably aware that pump seals play a vital role in the operation of pumps and owner satisfaction.  Unless you’ve ever had the opportunity to get up close and personal with a disassembled pump, the seal functionality and materials may remain a bit of a mystery. Today, we’re going to demystify...

What are the differences between a single and double suction pump and what advantages does one have over the other? That’s what we are exploring this week. The central difference between a single and double suction pump is the latter has an impeller designed to....

Centrifugal HVAC and plumbing pumps may be direct closed coupled or flexibly coupled. Pump couplings serve an important purpose, the greatest of which is to...

Space often equates to money in construction--a fact that can leave design engineers starved for mechanical space. This is what makes the idea of pipe-supported, inline pumps so attractive. Sometimes the choice is fine, other times it is not....

One of the first decisions one must make when selecting a pump is whether to use a base-mounted or an inline pump...

Hydronic pumps all do the same basic thing—they circulate water.  So why are there so many different types and configurations? And what criteria determines the best pump for a given application?  That’s what we will be exploring in this series on "How to...