DN 400 EN 10253 / DIN 2616 Reducer Dimensions
DN 400 (16") to EN 10253-2: Large OD 406.4 mm; Small OD 355.6 mm; Length 356 mm.
Key to dimensions
- D
- Large-end outside diameter
- D1
- Small-end outside diameter
- L
- Length end to end
DN 400 EN 10253 / DIN 2616 Reducer Dimensions — all dimensions
EN 10253-2 concentric / eccentric reducers (mm)
| DNLarge | DLarge OD | DN1Small | D1Small OD | LLength |
|---|---|---|---|---|
| 400 | 406.4 | 350 | 355.6 | 356 |
| 400 | 406.4 | 300 | 323.9 | 356 |
| 400 | 406.4 | 250 | 273 | 356 |
| 400 | 406.4 | 200 | 219.1 | 356 |
Values are nominal, from EN 10253 / DIN 2616 Reducer Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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Other sizes — EN 10253 / DIN 2616 Reducer Dimensions
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DN 400 EN 10253 / DIN 2616 Reducer Dimensions: common questions
What are the DN 400 EN 10253 / DIN 2616 Reducer Dimensions?
DN 400 (16") to EN 10253-2: Large OD 406.4 mm; Small OD 355.6 mm; Length 356 mm.
Does Teshi Group manufacture DN 400 butt weld fittings?
Yes. Teshi Group is an OEM manufacturer in India of butt weld fittings to EN 10253-2, in carbon, alloy, stainless, duplex, super duplex, nickel alloys, titanium and Cu-Ni, with EN 10204 3.1 certificates.
Can I download the DN 400 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 EN 10253 / DIN 2616 Reducer Dimensions chart.
Need DN 400 butt weld 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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