Dry Gas Seal Failure on a Centrifugal Compressor

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Index

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• Introduction 

• Mechanical findings

• DCS findings

• VMS findings

• Analysis

• Conclusions

• Recomendations

• References

• Comments

Introduction

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The compressor was kept stopped for an investigation, which confirmed that an actual dry gas seal (DGS) failure had happened on the machine; dry gas seal rupture disk open, dry gas seal leak lines full with lube oil, compressor uncoupled and found not be able to rotate, etc.

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