Domestic Water Pressure Booster Sizing Part 1: A Road Map for Success

Domestic Water Pressure Booster Sizing Part 1: A Road Map for Success

No engineer ever wants to find out that a design error is the source of insufficient water pressure in a new hotel or apartment building. But make no mistake, when tenants on the top floor of a building can’t flush the toilet or rinse…

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Federal Buildings To Comply with ASHRAE 90.1-2010 – Just Like the Rest of Us!

By Chad Edmondson

It’s only a matter of weeks before new commercial buildings codes must comply (or state’s must a request for extension) with ASHRAE 90.1 -2010, as we reported in an earlier blog.  And it looks like federal buildings will also have to follow suit too – albeit a little later

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“What Pressure Do I Pre-charge My Hydropneumatic Tank To?”

 In our last blog we talked about how to properly size a hydropneumatic tank – but the engineer’s work doesn’t end there.  He or she also needs to specify the appropriate pre-charge on the drawings.  Otherwise the tank will not be set properly at start-up and will not provide the intended energy savings.
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How To Size A Hydropneumatic Tank in A Pressure Booster System

 Properly sized hydropneumatic tanks are a non-negotiable element in a domestic water pressure booster system--including variable speed systems.  Without a hydropneumatic tank, pumps will short cycle on and off during no flow periods.  Even a leaky faucet can cause pumps to operate unnecessarily without this pressurized reserve of water.    
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