FlowCal™ Pressure Independent Balancing Valves

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>> YOUR LINK HERE: ___ http://youtube.com/watch?v=9jtWauT3KHY

http://www.caleffi.us - Pressure Independent Balancing Valves • How the patented automatic flow balancing valve works, what allows it to operate so quietly, and how to apply the valve in a heating or chilled water system.

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