A 3 1/2 Inch Equal Tee is a precision-engineered pipe fitting designed to connect three pipes of the same diameter (3.5 inches) at a 90° angle. With all outlets equal in size, this tee ensures uniform flow distribution, stable pressure balance, and reduced turbulence in industrial piping systems.
Commonly used in medium-to-large process lines, the NPS 3½ (DN90) Equal Tee is manufactured in compliance with international standards such as ASME B16.9, ASME B16.11, and MSS SP-43.
Types Available 3 1/2 Inch Equal Tee
Buttweld Equal Tee
- Manufactured as per ASME B16.9
- Beveled ends for full-penetration welding
- Suitable for high-pressure & high-temperature systems
Socket Weld Tee
- As per ASME B16.11
- Used in compact, high-pressure piping
Threaded Tee
- NPT / BSP threads
- Ideal for moderate-pressure systems requiring easy installation
Key Benefits
- Equal flow distribution
- High structural strength
- Corrosion and heat resistance
- Leak-proof welded or threaded joints
- Wide range of material grades
- Long service life with minimal maintenance
Applications
- Oil & Gas Processing
- Petrochemical & Refinery Units
- Power Generation Plants
- Chemical Processing
- Water & Wastewater Systems
- Marine & Offshore Installations
- Fire Protection & HVAC Lines
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