Understand multi-stage pumps and sealing options: Part 2
As more processes involve high-pressure, toxic, flammable, lethal or explosive pumping services, better knowledge of rotating equipment options can boost productivity.
(Editor's note: To read part 1 of this series, click here.)Well-engineered single and dual seals are needed in the hydrocarbon processing industry (HPI). As more processes involve high-pressure (HP), toxic, flammable, lethal or explosive pumping services, a thorough understanding of the available options for rotating equipment, especially pumps, is mandatory. Seals in produced-water injection (PWI) services are typical applications deserving further investigation.
Option 1: Single seals for multi-stage pumps.
Fortunately, single seals are often a possible option for multi-stage pumps. Unlike dual-mechanical seals, single seals will not require a buffer fluid support system; thus, sin
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