ABB's FPD470 Wedgemeter series measures gas, liquids, and steam. They contain a solid V-shaped flow restriction which makes them highly robust. The FPD470 wedge meters are bi-directional and mainly ...

The flow of all fluids, whether liquid or gas, will have one of three states: laminar, turbulent, and transitional. This article discusses flow principles and pressure-based flow measurement. Laminar ...

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The IEC prepares and publishes international standards for electrical, electronic and related technologies, while the ATEX directive specifies design criteria for flow meters and other ...