May 2011

Special Report: Maintenance/Reliability

Testing and repair options for critical dry-gas seal: Updates

Do your research when sending compressor seals out for renovations

Carmody, C., AESSEAL plc

Upgrading from traditional compressor seals to advanced dry-gas seals (DGSs) is entirely feasible and has been pursued for approximately two decades. Over the last five years, DGS production for new compressors has increased as well as well-planned implementation of dry-seal retrofit options. However, primary emphasis on the manufacture of new DGSs has resulted in service issues related to product engineering. As with all industries where demand for new products outstrips capacity to support existing products, both pricing structure and lead time for component repairs have come under scrutiny. This author discusses the issues related to the repair and testing of DGSs. Advanced seal designs.

Log in to view this article.

Not Yet A Subscriber? Here are Your Options.

1) Start a FREE TRIAL SUBSCRIPTION and gain access to all articles in the current issue of Hydrocarbon Processing magazine.

2) SUBSCRIBE to Hydrocarbon Processing magazine in print or digital format and gain ACCESS to the current issue as well as to 3 articles from the HP archives per month. $409 for an annual subscription*.

3) Start a FULL ACCESS PLAN SUBSCRIPTION and regain ACCESS to this article, the current issue, all past issues in the HP Archive, the HP Process Handbooks, HP Market Data, and more. $1,995 for an annual subscription.  For information about group rates or multi-year terms, contact J'Nette Davis-Nichols at or +1 713.520.4426*.

*Access will be granted the next business day.

Related Articles

From the Archive



{{ error }}
{{ comment.comment.Name }} • {{ comment.timeAgo }}
{{ comment.comment.Text }}