Seamless Pipe Tee Supplier | ASME B16.9 A234 WPB Industrial Tees by Haihao Group
Haihao Group has recently completed the production and shipment of a batch of high-quality seamless pipe tee fittings, including standard tees and barred tees. These products are manufactured in strict accordance with ASME B16.9 and are widely used in large-diameter pipeline systems.
As a trusted seamless pipe tee supplier, Haihao Group continues to provide reliable piping components with consistent quality and strong performance in demanding environments.
Project Overview: Seamless Pipe Tee
This shipment includes a range of seamless pipe tee fittings with different sizes and configurations:
Product Specifications
- Product Type: Seamless pipe tee / barred tee
- Standard: ASME B16.9
- Material: ASTM A234 Gr. WPB
- Sizes:
- DN600 (SCH40)
- DN450 (SCH40)
- DN25 (SCH40)
- Surface Treatment: Sandblasting
- Inspection: Magnetic particle testing (MT)
All seamless pipe tee fittings are produced using high-quality carbon steel and undergo strict inspection to ensure durability and dimensional accuracy.
What Is a Barred Tee?
A barred tee is a special type of seamless pipe tee designed for pipelines where pigging operations are required. Internal bars are installed to prevent pigs from entering branch lines, ensuring safe and smooth pipeline maintenance.
Advantages of Seamless Pipe Tee
Choosing a reliable seamless pipe tee supplier ensures better system performance:
High Strength Construction
Seamless manufacturing eliminates weld seams, improving pressure resistance.
Smooth Flow Performance
Optimized internal structure reduces turbulence and pressure drop.
Suitable for Large Diameters
Ideal for DN450 and DN600 pipeline systems where strength is critical.
Each seamless pipe tee is engineered to meet the needs of industrial piping systems.
Quality Control & Testing
Haihao Group implements strict quality procedures for every seamless pipe tee:
- Raw material certification (ASTM A234 WPB)
- Dimensional inspection per ASME B16.9
- Magnetic particle testing (MT)
- Surface treatment via sandblasting
As an experienced seamless pipe tee supplier, we ensure every product meets international standards.
Applications
These seamless pipe tee fittings are widely used in:
- Oil and gas transmission pipelines
- Petrochemical plants
- Power generation systems
- Industrial fluid transport
Barred tees are especially critical in piggable pipeline systems.
Why Choose Haihao Group?
As a professional seamless pipe tee supplier, Haihao Group offers:
- Full compliance with ASME B16.9
- Wide size range from small to large diameters
- Advanced inspection and testing capabilities
- Reliable delivery and export experience
We provide dependable solutions for complex pipeline projects.
Contact Us
Looking for a reliable seamless pipe tee supplier? Haihao Group is ready to support your project with high-quality fittings and expert service.
FAQ
1. What is a seamless pipe tee?
It is a pipe fitting used to connect three pipes, manufactured without welding seams for higher strength.
2. What is the purpose of a barred tee?
It prevents pipeline pigs from entering branch lines during cleaning operations.
3. What material is ASTM A234 WPB?
It is a carbon steel grade widely used for pipe fittings in moderate and high-temperature service.
4. What inspections are performed?
Magnetic particle testing and dimensional inspections are conducted to ensure quality.

