This project is a continuation of research to enhance dry gas seal (DGS) reliability. Previous work reviewed failures from literature and experience of manufacturers and end-users and identified that liquid contamination was the most common cause,…
This project is a continuation of research to enhance dry gas seal (DGS) reliability. Previous work reviewed failures from literature and experience of manufacturers and end-users and identified that liquid contamination was the most common cause,…
Liquid contamination in dry gas seals (DGS) can come from a variety of sources, including lube oil carryover and liquid dropout, due to the Joule-Thompson effect across the seal faces, which can cause DGS failure. The physical effect of liquids on…
This project consisted of a literature review and industry survey. Numerous literature sources were reviewed. Many were found independently, but several were recommended by the project team. The surveys consisted of meetings with individual companies…
The primary research objective of this project was to summarize the best practices for design, operation, and maintenance of pump mechanical seal auxiliary systems in a reference document for pipeline pump operators. This was achieved by meeting…
The reliance on centrifugal pumps the world over implies a heavy reliance on mechanical seals. In order to get the highest level of performance from the seals, auxiliary systems are used either to condition the seal operating environment or monitor…
This report investigates the current state of sealing in liquid hydrocarbon pipelines, regulations which have impacted the industry and technology which is available to improve performance. The study analyzed the following fundamental categories:…
Reviews current technology of internal labyrinth seals and concludes that internal leakage can reduce compressor efficiencies as much as 3 to 6 percent. Discusses limitations on abradable seals with tighter clearances and the effect of compressor…