4 inch ASME B16.11 Threaded Fitting Dimensions
4 inch (DN 100) to ASME B16.11: 2000 106 mm; 3000 114 mm; 6000 114 mm; C 45° — 2000 79 mm; C 45° — 3000 79 mm.
Key to dimensions
- A
- Centre to end — 90° elbow, tee and cross
- C
- Centre to end — 45° elbow
- H
- Outside diameter of band
- B
- Minimum length of thread
- L2
- Minimum effective thread length
- W
- End to end — full coupling
- P
- End to end — half coupling (W ÷ 2)
- D
- Outside diameter of coupling
- G
- End to end — cap
4 inch ASME B16.11 Threaded Fitting Dimensions — all dimensions
Threaded elbows, tees and crosses (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| DN | 100 | |
| 2000 — A | 106 mm | 4.17 in |
| 3000 — A | 114 mm | 4.49 in |
| 6000 — A | 114 mm | 4.49 in |
| C 45° — 2000 | 79 mm | 3.11 in |
| C 45° — 3000 | 79 mm | 3.11 in |
| C 45° — 6000 | 79 mm | 3.11 in |
| 2000 — H | 146 mm | 5.75 in |
| 3000 — H | 152 mm | 5.98 in |
| 6000 — H | 152 mm | 5.98 in |
| Thread length — B | 27.7 mm | 1.09 in |
| Effective thread — L2 | 33.0 mm | 1.30 in |
Threaded couplings, caps, plugs and bushings (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| DN | 100 | |
| Full coupling — W | 121 mm | 4.76 in |
| Half coupling — P | 60.5 mm | 2.38 in |
| 3000 — D | 140 mm | 5.51 in |
| 6000 — D | 159 mm | 6.26 in |
| Cap, 3000 — G | 68 mm | 2.68 in |
| Cap, 6000 — G | 75 mm | 2.95 in |
| Square head plug — Min. length | 32 mm | 1.26 in |
Values are nominal, from ASME B16.11 Threaded Fitting Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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FAQ
4 inch ASME B16.11 Threaded Fitting Dimensions: common questions
What are the 4 inch ASME B16.11 Threaded Fitting Dimensions?
4 inch (DN 100) to ASME B16.11: 2000 106 mm; 3000 114 mm; 6000 114 mm; C 45° — 2000 79 mm; C 45° — 3000 79 mm.
Does Teshi Group manufacture 4 inch forged fittings?
Yes. Teshi Group is an OEM manufacturer in India of forged fittings to ASME B16.11, in carbon, alloy, stainless, duplex, super duplex, nickel alloys, titanium and Cu-Ni, with EN 10204 3.1 certificates.
Can I download the 4 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 B16.11 Threaded Fitting Dimensions chart.
Need 4 inch forged fittings?
Teshi Group manufactures them in India — send your size, rating and material and get a quote in 24–48 hours.
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