Slip On Flanges to Egypt

Oil & Gas Industry

• Egypt’s oil and gas sector represents the backbone of the national economy, with slip on flanges playing essential roles throughout upstream, midstream, and downstream operations.Upstream Exploration & Production: The Western Desert oil fields including the Badr el-Din, Khalda, and Abu Gharadig formations rely on Class 300# and 600# carbon steel slip on flanges for wellhead connections, production manifolds, and gathering systems. These flanges handle pressures up to 100 bar and temperatures reaching 150°C in crude oil and associated gas production. F316L stainless steel SO flanges are specified for sour gas wells containing H2S to prevent sulfide stress cracking.The massive Zohr gas field in the Mediterranean Sea—Egypt’s largest natural gas discovery—utilizes super duplex F53 slip on flanges in subsea manifolds and production risers. These flanges withstand the aggressive combination of high pressure (up to 350 bar), seawater corrosion, and sour gas chemistry present in this 850 BCM gas reservoir located 190km offshore.

  Midstream Gas Processing: The Damietta and Idku LNG liquefaction facilities on the Mediterranean coast employ thousands of slip on flanges in various materials. Cryogenic sections use ASTM A350 LF2 low-temperature carbon steel flanges rated for -50°C service in propane and ethane refrigeration systems. F304L stainless steel flanges handle lean amine treating units, while F316L flanges serve seawater cooling systems subjected to continuous chloride exposure.

  Natural gas transmission pipelines operated by the Egyptian Natural Gas Holding Company (EGAS) predominantly specify ASTM A105 Class 300# slip on flanges for mainline block valve stations, pressure regulation stations, and meter stations across the national grid connecting production areas to distribution centers in Cairo, Alexandria, and industrial zones.

  Downstream Refining: Egypt’s petroleum refineries in Cairo (Mostorod), Alexandria, Suez, Assiut, and Tanta process approximately 750,000 barrels per day of crude oil into gasoline, diesel, jet fuel, and petrochemical feedstocks. Slip on flanges throughout these refineries include:

  • Crude Distillation Units: A105 Class 300# flanges up to 24″ for atmospheric tower piping
  • Catalytic Cracking: F22 alloy steel Class 600# flanges for high-temperature reactor effluent
  • Hydrotreating Units: F316L flanges for hydrogen sulfide service in desulfurization units
  • Utility Systems: Class 150# flanges in cooling water, firewater, and instrument air systems

  The Egyptian General Petroleum Corporation (EGPC) specifications require full material traceability and NACE MR0175 compliance for flanges in sour service, which Werner Flanges provides with comprehensive documentation

Petrochemical & Chemical Processing

• Egypt’s petrochemical industry, concentrated in Alexandria, Suez, and the new industrial zones in Ain Sokhna, manufactures fertilizers, plastics, and specialty chemicals serving domestic and export markets.Fertilizer Plants: The Egyptian Fertilizer Company and other ammonia/urea producers in Talkha, Helwan, and Kima specify slip on flanges throughout their operations:
  • Ammonia Synthesis: F22 alloy steel Class 900# flanges for 300 bar synthesis gas loops at 450°C
  • Urea Production: F316L flanges resist corrosive urea solutions and ammonia carbamate
  • Refrigeration: LF2 low-temperature flanges in ammonia refrigeration systems operating at -33°C

  Chemical Manufacturing: Alexandria’s chemical industrial zone houses plants producing chlorine, caustic soda, PVC, and organic chemicals. F316L and duplex F51 slip on flanges provide corrosion resistance against aggressive chemicals including:

  • Hydrochloric and sulfuric acids
  • Sodium hydroxide solutions
  • Chlorinated hydrocarbons
  • Organic solvents and intermediates

  Werner Flanges works closely with Egyptian chemical engineers to specify appropriate materials for each corrosive service, preventing premature failures and ensuring long service life in these demanding applications.

Power Generation

• Egypt’s rapidly expanding electricity generation capacity has created substantial demand for high-quality slip on flanges in thermal power plants, combined cycle facilities, and cogeneration units.Combined Cycle Gas Turbine (CCGT) Plants: The massive Siemens-built power stations at Beni Suef (4800 MW), New Administrative Capital (4800 MW), and Burullus (4800 MW)—adding 14,400 MW to Egypt’s grid—represent the world’s largest combined cycle project. These ultra-modern facilities specify:
  • Natural Gas Supply: A105 Class 300# slip on flanges up to 36″ in gas compressor stations
  • Heat Recovery Steam Generators: F22 Class 600# flanges for main steam at 540°C and 100 bar
  • Steam Turbines: F11 alloy steel flanges for high-pressure, intermediate-pressure, and low-pressure steam circuits
  • Condensers: F316L titanium-enhanced flanges for seawater cooling systems (Mediterranean coastal plants)

  Conventional Steam Power Plants: Egypt’s existing coal-fired and fuel oil power stations use extensive quantities of slip on flanges in boiler systems, steam headers, feedwater heaters, and auxiliary systems. The transition to cleaner natural gas as primary fuel has reduced coal use, but existing plants at Aswan and Cairo continue operating with regular maintenance requiring flange replacements.

  Renewable Energy Support Systems: While wind farms and solar installations don’t directly use flanges, associated thermal storage systems and backup fossil generation utilize Class 150-300# slip on flanges in molten salt circulation (solar thermal), cooling systems, and auxiliary equipment.

  Werner Flanges has supplied flanges to Egypt’s power sector for two decades, understanding the critical importance of on-time delivery and zero-defect quality in projects where delays cost millions in lost generation capacity

Water & Wastewater Treatment

• Egypt’s water security challenges—serving 105 million people in an arid climate—have driven massive investment in desalination, wastewater treatment, and water distribution infrastructure where slip on flanges play vital roles.Desalination Plants: Along the Red Sea coast serving resort communities in Hurghada, Sharm el-Sheikh, and Marsa Alam, seawater reverse osmosis (SWRO) and multi-stage flash (MSF) desalination plants produce freshwater from the sea. These facilities exclusively specify F316L stainless steel and duplex F51 slip on flanges to resist aggressive seawater corrosion. High-pressure RO systems use Class 600# flanges for pressures up to 70 bar.Mediterranean coastal cities including Alexandria, Damietta, and Port Said are expanding desalination capacity, with new plants specifying super duplex F53 flanges for 30+ year service life in seawater intake and concentrate discharge systems.

  Wastewater Treatment: The Bahr el Baqar wastewater treatment plant—Africa’s largest at 5 million m³/day capacity—treats Cairo and Delta region sewage. This facility uses thousands of F304L stainless steel slip on flanges in Class 150# rating for biological treatment aeration systems, sludge handling, and treated water distribution. The corrosive hydrogen sulfide and organic acids in raw sewage demand stainless steel rather than carbon steel to ensure decades of reliable service.

  Municipal wastewater plants in Alexandria, Giza, and provincial cities specify epoxy-lined carbon steel or stainless steel flanges depending on budget and service severity.

  Water Distribution Networks: Egypt’s potable water systems in Cairo, Alexandria, and smaller cities traditionally used cast iron flanges, but modern systems increasingly specify ductile iron or carbon steel slip on flanges with fusion-bonded epoxy (FBE) coatings. Class 150# flanges rated for 16 bar serve high-rise building supply, while Class 300# flanges are used in pumping stations and main transmission lines.