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Becht Engineering Blog

In this section of the site contributing authors submit interesting articles relating to the various services, industries and research & development efforts of Becht Engineering.

Correcting Splitline Leaks on Dresser-Rand M-Line Compressors

Correcting Splitline Leaks on Dresser-Rand M-Line Compressors
Two compressors at a Refinery in Texas were up-rated to bushing type dry gas seals to eliminate the historical H2S leakage to the environment. The existing seals in both of these machines were the original Clark floating bushing oil seals. There were concerns that the leakage path may be around the outside of the seals at the splitline and not axially through the seals. To assure that the gas seal upgrade was addressing the root cause of the leakage, testing was performed to determine if the case could be leaking around the seals at the splitline. The information below illustrates in detail the tests performed, the results of the test, and the subsequent modifications made to the compressors to reduce the potential for case splitline leakage. Both Compressors were removed from the Refinery and repaired at the Dresser-Rand (D-R) repair facility in Houston, Texas. Both machines were dissembled and inspected to...
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