Where sealless pumps make sense
- Sundstrand Fluid Handling, Arvada, CO (United States)
Today, capital spending in the chemical process industries (CPI) is being committed more than ever to increasing safety and minimizing environmental impact. Reduction of leaks and fugitive emissions are a prime example of this. Pump vendors have responded to these concerns with a new emphasis on sealless, reduced-emission designs. Still, many CPI companies have been cautious about switching from sealed to sealless designs. While emissions worries are important, plant operators need to ensure reliable, economical production in their facilities. The evaluation of the strengths and limitations of sealless centrifugal designs (the most common sealless unit) from an operational perspective will be reviewed here. The paper discusses costs, decision making, process fluids to be pumped, fluid temperature, viscosity, solids contamination, flow circuit, and flow monitoring.
- OSTI ID:
- 110152
- Journal Information:
- Chemical Engineering, Vol. 102, Issue 8; Other Information: PBD: Aug 1995
- Country of Publication:
- United States
- Language:
- English
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