Enhancing commissioning technology

Proflow Venturi

Pegler Yorkshire’s Proflow Venturi valve is said to offer a unique approach to commissioning modern heating and chilled-water systems. The heart of these valves is their integrated fixed-orifice venturi, which increases flow velocity and the pressure differential — amplifying the signal generated. Significant pressure drop is recovered after the water has passed through the venturi nozzle.

These valves use a quarter-turn ball valve for isolation and a needle valve for regulation in the same body — so they can be isolated without affecting the setting.

Measuring accuracy is ±3% across the entire range of valves, and there is no need for straight pipe runs of three to five times the pipe diameter to obtain an accurate reading — except immediately after a pump.

These valves can be installed in any orientation, including test points facing down, and be connected to most steel, copper or plastic pipe systems.

For more information on this story, click here: Jan 09, 100
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