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Comparing pump efficiency just got a whole lot easier thanks to a new rating system developed by the Hydraulic Institute (HI). For the first time ever, pump specifiers or purchasers can go directly to an online tool where they can compare the numerical efficiency scores of any pump….
Read MoreIn our last two blogs, we discussed Part Load Efficiency Value (PLEV) from Bell & Gossett. Today we will discuss how using PLEV as the only criteria for selection can lead to HVAC pump selections that aren’t necessarily the best choice...
Read MoreUnder the DOE’s new efficiency standards for pumps, all Pump Efficiency Rating (PER) values use a full size or maximum impeller for a given pump and start at the pump’s best efficiency point (BEP). As you may recall from our last post, the new efficiency standard includes two versions of.....
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