Manual Versus Automatic Balance in a Variable Speed Pump Control System

Manual Versus Automatic Balance in a Variable Speed Pump Control System

We’ve talked about manual versus automatic balancing methods and we’ve talked about curve control versus area control. Now it’s time to consider the balance valve type impact on the pump control area. Let’s start this conversation with a question...

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Hydronic Balancing Part 12: Pressure Independent Control Valves

Hydronic Balancing Part 12:  Pressure Independent Control Valves

Designing, installing and balancing hydronic system became infinitely easier with the introduction of a handy little gadget called a pressure independent control valve or “PIC” valve.  These valves, which first hit the market nearly two decades ago, have revolutionized hydronic balancing....

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