New gauge reduces error in flare-drum level

Replacing an old mechanical gauge with a radar gauge on a blowdown drum improved reliability and reduced maintenance costs for Preem Raffinaderi AB's refinery in Gothenburg, Sweden. The new radar gauge sits atop the flare-blowdown drum at the Preem refinery.Click here to enlarge imageIn April 1999, Preem purchased a Saab TankRadar Pro to replace its level instrument on an existing blowdown drum. The blowdown drum connects the refinery process area and the flare. The gauge helps maintain a hydrocarbon liquid level in the drum, which is part of the refinery's safety-alarm system. If a failure occurs in the refinery process, the safety system evacuates gases and liquids via safety v...

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