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The pressure independent control technology has matured over the years and is accepted as a proven application for optimizing hydronic system delta T, enhancing system performance and reducing energy cost. Pressure independent valves offer precise hydronic flow control resulting in improved system efficiency and control for heating and cooling applications. The primary purpose of pressure independent control valves in a HVAC system is to minimize flow through the coil in an air handler while maintaining process variable set point control (coil discharge air temperature). Hydronic system performance has varied from constant volume to variable volume with pressure independent flow control.
Installing pressure independent control valves instead of pressure dependent two-way control valves typically used in variable flow systems is the best of both worlds. The pressure independent valve combines the functionality of a control valve and a pressure regulating valve, creating ONE precise product which is unaffected by pressure variations in a system. The high rangeability provides enhanced control resulting in elevated delta T performance and reduced flow to serve system loads. This cost effective design provides a constant flow – at each degree of ball opening – giving unparalleled performance in your HVAC system.
Brass Belimo Energy PICCV Valve
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