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 More
Domestic Water Pressure Booster Sizing Part 5: Selecting The Pressure Booster
/
In 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 MoreDomestic 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…
Read MoreHYFAB Positioned to Meet Increasing Demand for Pre-packaged Hydronic Systems
/If you, like so many in the commercial HVAC industry, are concerned with the increasing shortages in skilled pipe fitting labor, JMP has some good news. In response to increasing demand for pre-fabricated hydronic systems, HYFAB has relocated all operations to a much larger, fully equipped 27,000 sq. ft. facility at 206 Seneca Drive in Greensboro, NC. It is one of a few manufacturing facilities in the southeast that is totally dedicated to the design and manufacturing of hydronic packages for HVAC, plumbing, and process applications.
Read MoreNo More Constant Speed Pressure Boosting Under ASHRAE 90.1 - 2010
/By 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.
Read More