18 inch ASME B16.9 Butt Weld Tee Dimensions
18 inch (DN 450) to ASME B16.9: OD at bevel 457.0 mm; Run 343 mm; Outlet 343 mm.
Key to dimensions
- OD
- Outside diameter at the bevel
- C
- Centre-to-end, run
- M
- Centre-to-end, outlet
18 inch ASME B16.9 Butt Weld Tee Dimensions — all dimensions
Straight (equal) tees (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| DN | 450 | |
| at bevel — OD | 457.0 mm | 17.99 in |
| Run — C | 343 mm | 13.50 in |
| Outlet — M | 343 mm | 13.50 in |
Reducing outlet tees (mm)
| Run NPSin | Outlet NPSin | CRun | MOutlet |
|---|---|---|---|
| 18" | 16" | 343 | 330 |
| 18" | 14" | 343 | 330 |
| 18" | 12" | 343 | 321 |
| 18" | 10" | 343 | 308 |
| 18" | 8" | 343 | 298 |
Values are nominal, from ASME B16.9 Butt Weld Tee Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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18 inch ASME B16.9 Butt Weld Tee Dimensions: common questions
What are the 18 inch ASME B16.9 Butt Weld Tee Dimensions?
18 inch (DN 450) to ASME B16.9: OD at bevel 457.0 mm; Run 343 mm; Outlet 343 mm.
Does Teshi Group manufacture 18 inch butt weld fittings?
Yes. Teshi Group is an OEM manufacturer in India of butt weld fittings to ASME B16.9, in carbon, alloy, stainless, duplex, super duplex, nickel alloys, titanium and Cu-Ni, with EN 10204 3.1 certificates.
Can I download the 18 inch dimensions as a PDF?
Yes. Use “Download PDF for this size” on this page to get a single-size, print-ready PDF with the drawing and every tabulated dimension, or download the full ASME B16.9 Butt Weld Tee Dimensions chart.
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