A 4 Inch Equal Tee is a T-shaped pipe fitting designed to connect three pipes of the same diameter (4 inches) at a 90° angle. With all outlets equal in size, it ensures balanced flow distribution and consistent pressure across branch lines in industrial piping systems.
This fitting is commonly manufactured in accordance with ASME B16.9 (buttweld fittings), ASME B16.11 (forged fittings), and MSS SP-43, ensuring dimensional accuracy and mechanical strength.
Available Types
Buttweld Equal Tee
- Manufactured as per ASME B16.9
- Beveled ends for full penetration welding
- Suitable for high-pressure & high-temperature pipelines
Socket Weld Tee
- As per ASME B16.11
- Used in compact, high-pressure systems
Threaded Equal Tee
- NPT / BSP threads
- Ideal for moderate-pressure applications
Key Advantages
- Uniform diameter ensures balanced flow
- High structural strength
- Excellent corrosion resistance
- Suitable for high temperature service
- Wide range of pressure classes
- Long service life
Applications
- Oil & Gas pipelines
- Petrochemical and refinery plants
- Power generation facilities
- Chemical processing industries
- Water & wastewater treatment
- Marine and offshore installations
- Fire protection & HVAC systems





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