Rebuilding Process Pumps To Comply With Fugitive Emissions Standards
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Most states have adopted regulations that limit fugitive hydrocarbon emissions from mechanical seals in centrifugal pumps. In California, limits as low as 100 ppm have been imposed. Users are faced with few choices to meet these strict standards, and have turned to dual seals and sealless pumps to comply. Many have found that current fugitive emission limits can be met with single seals by careful attention to detail retrofit and repair procedures. Discussed herein are the rigors required to successfully rebuild, maintain, and operate pumps-in most cases with a single seal. These techniques also enhance pump reliability and have been applied to over 100 pumps in harsh refinery environments.
Rossi, Stephen C.; Cary, John B. (1997). Rebuilding Process Pumps To Comply With Fugitive Emissions Standards. Texas A&M University. Turbomachinery Laboratories. Available electronically from