Daniel flow nozzles are differential flow meters that create a flow restriction for high-velocity, non-viscous, erosive flows. The rounded design provides a more effective sweep thru of particles in the flow stream, extending product life by reducing wear and potential damage.
Long radius Daniel flow nozzles are manufactured in strict accordance with ASME MFC-3M specifications, which provide users with +/-2.0% uncertainty of discharge coefficient. For critical measurement applications, flow calibration is recommended, which results in +/-0.25% uncertainty of discharge coefficient. ASME PTC-6 compliant flow nozzles are also available for acceptance testing of power generation plants.
Daniel flow nozzles are erosion-resistant, corrosion-resistant, consistently accurate and virtually maintenance-free. They perform in a wide variety of applications that include air, water, vapor, steam, gas, chemical substances, and high temperature applications. For extremely erosive service, internal surface hardening is available.
Flow nozzles have a smooth elliptical inlet leading to a throat section with a sharp outlet. This restriction in the fluid flow causes a pressure drop, which relates to the flow rate by applying Bernoulli's equation. The smooth inlet of the flow nozzle results in a higher coefficient of discharge than most other differential meters. This higher efficiency means greater flow capacity when compared to most other differential meters of the same size.
