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Dry Gas Seal Operation, Maintenance, Installation and Commissioning

Dates Venues Register
21/03/2027 - 25/03/2027 ISTANBUL

Introduction

Dry Gas Seal Operation, Maintenance, Installation and Commissioning

 

Objectives

By the end of the course, participants will be able to:

    • Know the different types of compressor seals, their use, proper operation, and performance
    • Understand the basic theory and application of dry gas seals
    • Understand the basic components and construction of dry gas seals
    • Understand requirements to seal medium, it's conditioning, and control
    • Learn the basics of operation and maintenance of dry gas seals
    • Understand the best practice of installation and commissioning of the dry gas seal

 

Who Should Attend?

This course is intended for engineers of any discipline, managers, technicians, technologists, and other technical personnel involved in compressors operation, selection, maintenance, troubleshooting, and control.

 

Course Outline

Chapter 1

  • Compressor principals of operation
  • Axial and Beam style compressors, turbo expanders, centrifugal pumps
  • Pressure / Velocity through compression stage
  • Axial Force, Balance Piston and Bearings
  • Shaft sealing
  • Seal cavity design
  • Seal effects on Rotor dynamics
  • Compressor factory testing
  • Gas seal installation & commissioning
  • Gas seal operation & maintenance
  • API-617 Requirements

Chapter 2

  • Principles of Operation
  • Gas seal overview
  • Gas seal groove patterns
  • Stability of seal gap
  • Axial travel limitations
  • Seal leakage
  • Seal contamination
  • Thermal distortion
  • Materials of Construction
  • Sealing faces
  • Metal adaptive hardware
  • Labyrinth seals
  • Secondary seals

Chapter 3

  • Quality of Sealing Gas - requirements
  • Sources of Sealing gas
  • Gas conditioning
  • Sealing gas controls and monitoring
  • Alarms and Shutdowns
  • API-614 requirements

Chapter 4

  • Dry Gas Seals Examples of Application
  • Oil and Gas Production On-Shore and Off-Shore
  • Refinery Applications
  • Gas Pipelines
  • Chemicals
  • LNG

Chapter 5&6

  • Assessing feasibility of a retrofit
  • Why Rotor dynamics
  • Cavity considerations & Seal selection
  • Compressor modification
  • Tooling
  • Liquid contamination
  • Particulate contamination
  • Incorrect Installation
  • System Failures
  • Case studies / examples
  • Measures to improve DGS reliability

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