Best Practices for Hydronic Systems Part 4: Where to Locate the Pressure Reducing Valve (PRV)
/All closed-loop hydronic systems must have a pressure-reducing valve (PRV). These valves serve two purposes….
Read MoreAll closed-loop hydronic systems must have a pressure-reducing valve (PRV). These valves serve two purposes….
Read MoreIn our last blog, we determined that we required a 56 PSI pressure boost in our 100 Room Apartment example. Previous to that we determined (using the Hunters Curve) that we had a maximum total demand of 180 gpm. With these two values we are now prepared to select…
Read MoreNo 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…
Read MoreBy Mark Bingham
“Constant speed pressure boosters are DEAD and GONE TO HEAVEN!”
That was the prevailing message recently from Chris Edmondson, CEO of JMP, as he briefed the folks here at about the upcoming mandatory changes under SECTION 10.4 of the new ASHRAE 90.1 – 2010.
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