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Controlling skids

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Valve automation in metering skids for the oil and gas industry is a challenging task. High availability and easy integration of valves and actuators are crucial for these applications.
Using a master station to control all the actuators within the metering system has proven to have multiple benefits. This is illustrated by the use of AUMA’s new SIMA² Master Station in metering skids built by KROHNE Oil & Gas for a customer project.
Metering skids are turnkey, fully integrated metering systems for highly precise volume measurement of crude oil, natural gas and refined products.
Typical applications include loading and unloading terminals for oil tankers, and measurements at the inlet and the outlet of transport pipelines.
Actuators and valves – in addition to flow meters and pressure and temperature sensors – are key components of such skids.
For the most part, double-block-and-bleed valves are used since they are 100% leakage-free and so prevent measurement errors due to leaking valves.
A skid normally has several metering runs arranged in parallel, plus a master run for calibration. Actuators are needed for the flow control...

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