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February 11, 2026The accurate weight and dimensional data are critical in designing and executing piping systems in industries. A trustworthy Buttweld Tee Reducing Weight Chartassists an engineer and purchaser to calculate the material loads, organize logistics, and make sure of the adequate installation based on the standard requirements.
This information manual contains weight, size, and dimensional information typically used in piping layout and part planning.

What Is a Buttweld Reducing Tee?
A buttweld reducing tee is a welded pipe fitting, which is used to separate or merge flow, but also decrease the branch diameter compared to the main run. It is also welded into the pipeline, thereby providing high performance and long life in high pressure and high temperature applications.
Why Weight and Dimension Data Matters
A Buttweld Tee Reducing Weight Chart in Kg can be referred to enable the project team to achieve correct transportation and installation requirements and to prevent the overloading of pipe supports. The dimensional data is measured in millimeters to make sure that there isn’t any irregularity in alignment and the welding process itself is smoother when installing.

Buttweld Tee Reducing Tee Size Chart
This table shows commonly used combinations of run size and branch size in industrial piping systems.
| Run Size (NB) | Branch Size (NB) | Type |
| 1½” | 1” | Reducing Tee |
| 2” | 1” | Reducing Tee |
| 3” | 1½” | Reducing Tee |
| 3” | 2” | Reducing Tee |
| 4” | 2” | Reducing Tee |
| 4” | 3” | Reducing Tee |
| 6” | 2” | Reducing Tee |
| 6” | 4” | Reducing Tee |
| 8” | 4” | Reducing Tee |
| 8” | 6” | Reducing Tee |
Buttweld Tee Reducing Dimensions (in MM)
The Buttweld Tee Reducing Weight Chart in MM is used alongside dimensional data to ensure proper fit-up.
| Run Size (NB) | Branch Size (NB) | Run OD (MM) | Branch OD (MM) | Center-to-End Run (MM) | Center-to-End Branch (MM) |
| 1½” | 1” | 48.3 | 33.4 | 57 | 57 |
| 2” | 1” | 60.3 | 33.4 | 76 | 76 |
| 3” | 1½” | 88.9 | 48.3 | 102 | 102 |
| 3” | 2” | 88.9 | 60.3 | 102 | 102 |
| 4” | 2” | 114.3 | 60.3 | 127 | 127 |
| 4” | 3” | 114.3 | 88.9 | 127 | 127 |
| 6” | 4” | 168.3 | 114.3 | 178 | 178 |
| 8” | 6” | 219.1 | 168.3 | 229 | 229 |
Buttweld Tee Reducing ASME B16.9 Weight
The following table provides approximate weights based on ASME B16.9 standards. These values are used as a Buttweld Tee Reducing Weight Chart in kg and MM for estimation purposes.
| Size (NB) | Approx Weight (KG) |
| 1½” × 1” | 0.9 |
| 2” × 1” | 1.5 |
| 3” × 1½” | 2.2 |
| 3” × 2” | 2.8 |
| 4” × 2” | 4.2 |
| 4” × 3” | 5.1 |
| 6” × 4” | 9.5 |
| 8” × 6” | 17.8 |
| 10” × 8” | 29.4 |
Buttweld Tee Reducing Specifications
The standard requirements enhance uniformity and proper functioning of piping systems.
- Standard of manufacturing: ASME B16.9.
- End Connection: Buttweld
- Construction Type: Seamless or welded.
- Dimensional Units: millimeters (MM).
- Weight Measurement: Kilograms (KG).

Conclusion
The use of a structured Buttweld Tee Reducing Weight Chart, as well as comprehensive dimensional and specification data, helps engineers and buyers make informed decisions. Correct allusion to the Buttweld Tee Reducing Weight Chart in KG and MM enhance planning effectiveness, lessen installational mistakes and assist the reliability of the piping system through the course of time.
