Dry Gas Sealing Systems Short Course

Information
Date: April 16-18, 2013
Tuition: $2,150.00
CEU Credits: 24
Registration Deadline
April 12, Noon
Location
Hilton Post Oak Hotel
2001 Post Oak Blvd.
Houston, TX 77056
Contact
Bethany Womack
979-845-8943

Onsite Registration available Tuesday April 16: 7:00 a.m. - 9:00 a.m.

Payment due at time of registration.  Credit Card ONLY: Visa, AMEX, MasterCard

Additional Information:
Instructed by Leading Industry Experts:

Vladimir Bakalchuk (Flowserve)
Rich Hosanna (John Crane)
Jim McCraw (BP)
The course considers major aspects of Dry Gas Seal Systems applications and operation.  It provides review of dry gas seal theory and in depth analysis of system application, design and a guide to seal and system component selection. Also, the course provides an overview of system reliability, safety and troubleshooting.

Course Agenda:
Dry Gas Seal Course

  1. Sealing of centrifugal compression equipment
    1. Compressor principals of operation
    2. Axial and Beam style compressors, turbo expanders, centrifugal pumps
    3. Pressure / Velocity through compression stage
    4. Axial Force, Balance Piston and Bearings
    5. Shaft sealing
    6. Seal cavity design
    7. Seal effect on rotordynamics
    8. Compressor factory testing
    9. Gas seal installation & commissioning
    10. Gas seal operation & maintenance
    11. API-617 Requirements
  2. Dry Gas Seals - Physical and Engineering principals of Operation and Design
    1. Physical principals
    2. Engineering design
    3. Materials
    4. DGS arrangements
    5. Secondary sealing elements
    6. DGS factory testing
  3. Requirements to sealing medium, its conditioning and control
    1. Quality of Sealing Gas - requirements
    2. Sources of Sealing gas
    3. Gas conditioning
    4. Sealing gas controls and monitoring
    5. Alarms and Shutdowns
    6. API-614 requirements
  4. Examples of applications
    1. Refineries
    2. Production (offshore and onshore)
    3. Pipelines
    4. Chemicals
      1. Low pressure refrigeration
      2. Toxic
    5. LNG
  5. DGS Retrofits
    1. Assessing feasibility of a retrofit
    2. Why Rotordynamics
    3. Cavity considerations & Seal selection
    4. Compressor modification
    5. Tooling
  6. DGS Failures and Troubleshooting
    1. Liquid contamination
    2. Particulate contamination
    3. Incorrect Installation
    4. System Failures
    5. Case studies / examples
    6. Measures to improve DGS reliability

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 Rotordynamics
  • Compressor factory testing
  • Gas seal installation & commissioning
  • Gas seal operation & maintenance
  • API-617 Requirements
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 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
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 4
  • Dry Gas Seals Examples of Application
  • Oil and Gas Production On-Shore and Off-Shore
  • Refinery Applications
  • Gas Pipelines
  • Chemicals
  • LNG
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