Importance

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Abstract

Assemblies and methods for measuring the nose gap of a centrifugal pump may include using an ultrasonic transducer coupled to a suction liner of the centrifugal pump to measure the nose gap of a slurry pump for pumping a slurry mixture, which can include sand, rock, and other particulates. A signal analyzer may be used to determine the size of the nose gap based on scatterings and reflections of an ultrasonic pulse passing into or through the adjustable liner, through the medium being pumped, and reflected from the impeller. The assemblies and methods may provide an ability to obtain a real-time measurement of the nose gap during operation of the centrifugal pump, which may result in an ability to adjust nose gap to provide more efficient operation of the pump and reduced wear rates.

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First Claim