VPA pressure independent control valve is a combination of a differential pressure regulator and a regulating valve for flow adjustment. VPA valves offer remarkable adjustment flexibility. In combination with VAP actuators, they can be set to a specific flow rate value and they allow precise modulating control. The valves always guarantee a suitable flow rate, therefore avoiding too high energy consumption. Since the VPA valve performs the functions of two valves (balancing and adjustment), the installation costs are considerably reduced. The automatic flow rate limitation eliminates system adjustment costs. Since the adjustment is very easy to perform, design flow rates can be modified at any time and at low costs.
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