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Technical & Practical

June 1, 2013

Compressors: N2 Expands the Applicability of Dry Gas Seals

When the process gas is dirty or corrosive, nitrogen can be used to ensure trouble-free operation of the seal, but it requires special steps

Samir K. Nayek and Leena Chaudhari Reliance Industries Ltd. India

Dry gas seals provide a good alternative to traditional oil-lubricated wet seals for many compressor applications. Typically, these devices use process gas to prevent seal wear. However, when the process gas cannot be used, nitrogen provides a suitable alternative. This article discusses issues that must be considered when using nitrogen to prevent seal face wear in dry gas seals...

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