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Pressure Dependent Valves 1)What type of valve would the customer like?Ball Valve (CCV, ZoneTight, Industrial), Globe Valve or Butterfly Valve 2)Calculating the CV.What is CV? CV = The amount of water flow (GPM) through a fully open valve with 1 psi pressure drop.Why is CV important?If CV is too high, that means the valve is oversized and this will result in sloppy control and inefficient system performance.If CV is too low, that could result in insufficient flow and starve the coil. Y …

FACTS ▪ The U.S. Small Business Administration notes that HVAC equipment accounts for 40% of energy usage in commercial buildings. ▪ Chillers use approximately 20% of the total electric power generated in North America, according to the US Department of Energy (DOE). ▪ High PSI range sensors do not provide the accuracy and repeatability required for optimizing a single chiller, let alone multiple chiller operation.CHILLER OPTIMIZATION In order to improve chiller performanc …