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18 Inch Equal Tee

Specification Details
Product Name 18 Inch Equal Tee
Nominal Pipe Size 18 Inch (DN450)
Outside Diameter (OD) 457.2 mm
Center to End 343 mm
Type Equal Tee
Manufacturing Seamless / Welded / Fabricated
Standard ASME B16.9 / MSS SP-43
Schedule SCH 10 to XXS
End Connection Buttweld
Inspection & Testing Hydro Test, PMI, Radiography, Third-Party Inspection

An 18 Inch Equal Tee is a large-diameter buttweld pipe fitting designed to connect three sections of pipe of the same nominal size, forming a 90-degree branch. All three outlets have equal diameters, making it ideal for balanced flow distribution in high-capacity piping systems. These tees are widely used in industries such as oil & gas, petrochemical, power generation, water treatment, marine, and heavy fabrication projects.

Manufactured according to ASME B16.9 standards, the 18 inch equal tee ensures dimensional accuracy, structural integrity, and compatibility with standard piping systems. It is available in seamless, welded, and fabricated construction depending on the required schedule and application pressure.

Key Features

  • Equal diameter outlets (18” x 18” x 18”)
  • Designed for high-pressure and high-temperature service
  • Smooth internal surface for efficient flow distribution
  • Strong buttweld connection for leak-proof joints
  • Suitable for heavy-duty industrial systems

Available Types of 18 Inch Equal Tee

  • Seamless Equal Tee
    Manufactured from seamless pipe for high-pressure and critical applications.

  • Welded Equal Tee
    Fabricated from welded pipe; suitable for moderate pressure systems.

  • Fabricated Equal Tee
    Custom-made from plates or pipes for large diameters and special project requirements.

Applications

  • Oil & gas transmission pipelines
  • Petrochemical processing plants
  • Power plants & boiler systems
  • Water supply & desalination plants
  • Chemical processing industries
  • Offshore and marine piping systems

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