Posts by betsco

Are PD Meters a Dead Technology?

For LACT units, Coriolis has become the dominant technology of choice. Reasons for this are: 1. cost of ownership, 2. reliability, and 3. meter intelligence. Cost of Ownership = intial price + install cost + maintenance cost Reliability = performance over range of varying parameters Meter Intelligence = smart transmitter with multiple measured variables +…

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Controlling Pipeline Pressure Surges – Part 1

Pressure surges are generated by anything that causes the liquid velocity in a line to change quickly. The most common sources of pressure surge are rapid closing valves, pump start up and pump shut down. A pressure surge can consist of multiple events, resulting in surge pressures up to 10 times the normal pipeline pressure. These surges…

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