DN 125 EN 10253 / DIN 2616 Reducer Dimensions
DN 125 (5") to EN 10253-2: Large OD 139.7 mm; Small OD 114.3 mm; Length 127 mm.
Key to dimensions
- D
- Large-end outside diameter
- D1
- Small-end outside diameter
- L
- Length end to end
DN 125 EN 10253 / DIN 2616 Reducer Dimensions — all dimensions
EN 10253-2 concentric / eccentric reducers (mm)
| DNLarge | DLarge OD | DN1Small | D1Small OD | LLength |
|---|---|---|---|---|
| 125 | 139.7 | 100 | 114.3 | 127 |
| 125 | 139.7 | 80 | 88.9 | 127 |
| 125 | 139.7 | 65 | 76.1 | 127 |
| 125 | 139.7 | 50 | 60.3 | 127 |
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.
Find another size or standard
Pick a product, standard and size — or just type — to see every dimension and download a watermarked PDF for that one size.
Other sizes — EN 10253 / DIN 2616 Reducer Dimensions
Related for this size
5" ASME B16.9 Butt Weld Elbow Dimensions
Same size — open the dimensions page.
View online · PDFASME B16.95" ASME B16.9 Butt Weld Tee Dimensions
Same size — open the dimensions page.
View online · PDFASME B16.95" ASME B16.9 Butt Weld Reducer Dimensions
Same size — open the dimensions page.
View online · PDFASME B16.95" ASME B16.9 Butt Weld Pipe Cap Dimensions
Same size — open the dimensions page.
View online · PDFASME B36.10M5" Pipe Schedule Chart — ASME B36.10M
Same size — open the dimensions page.
View online · PDFFAQ
DN 125 EN 10253 / DIN 2616 Reducer Dimensions: common questions
What are the DN 125 EN 10253 / DIN 2616 Reducer Dimensions?
DN 125 (5") to EN 10253-2: Large OD 139.7 mm; Small OD 114.3 mm; Length 127 mm.
Does Teshi Group manufacture DN 125 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 125 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 125 butt weld fittings?
Teshi Group manufactures them in India — send your size, rating and material and get a quote in 24–48 hours.

Ready to build to spec?
Share your drawing, bill of materials or technical requirements with the Teshi team.