Project Profile: IGAT V (Iran Gas Trunkline V)
Key Specifications
Technical Specifications
✔ Capacity:
- Annual Transmission:110 billion cubic meters (BCM)
- Flow Rate:360 million cubic meters per day
✔ Construction Highlights:
- Cross-Terrain Challenges:Mountainous (Zagros), desert, and urban areas
- Trenchless Technology:HDD (Horizontal Directional Drilling) for river/road crossings
Welding Standards: API 1104 automated welding + manual welding
Project Details
Pipeline Specifications:
- Diameter:56 inches (1,420 mm)
- Design Pressure:1,200 psi (Class 900)
- Material:API 5L X70/X80 high-strength steel
Key Components:
- Compressor Stations:8 stations with 30 MW gas turbines
- Block Valve Stations:120+ remotely operated valves
- Cathodic Protection Systems:Impressed current systems
- SCADA & Automation:Full digital monitoring and control
Challenges
⚠ Geotechnical Risks: Landslides in mountainous regions and seismic activity
⚠ Corrosion Management: Internal (sour gas) and external (soil) corrosion
⚠ Pressure Drop Optimization: Requiring advanced compressor aerodynamics
⚠ Security & Surveillance: Monitoring pipeline integrity across remote areas
Strategic Importance
• Supplies gas to 15 provinces and key industries (petrochemicals, power plants)
• Enables gas export to Iraq and Turkey via interconnection points
• Reduces flaring in South Pars by capturing associated gas
SEC Scope:
• Design + Material take-off + Fabrication Drawing Preparation for 112 Units Air Coolers 2,200 Tons