DN 250 EN 1092-1 PN63 Flange Dimensions
DN 250 (10") to EN 1092-1: pipe OD 273 mm; OD 470 mm; PCD 400 mm; bolts 12; holes 36 mm.
Key to dimensions
- D
- Outside diameter of flange
- A
- Pipe outside diameter (hub diameter at the weld end)
- C
- Flange thickness, excluding raised face unless stated
- d1
- Raised face diameter
- K
- Bolt circle (pitch circle) diameter
- n
- Number of bolts
- L
- Bolt hole diameter
- Bolt
- Bolt size (metric M or inch diameter)
DN 250 EN 1092-1 PN63 Flange Dimensions — all dimensions
EN 1092-1 PN 63 flange dimensions (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Pipe OD — A | 273 mm | 10.75 in |
| Flange OD — D | 470 mm | 18.50 in |
| Bolt circle — K | 400 mm | 15.75 in |
| Number of bolts | 12 | |
| Hole dia — L | 36 mm | 1.42 in |
| Bolt size | M33 | |
| Plate (Type 01) — C | 54 mm | 2.13 in |
| Blind / weld neck — C | 46 mm | 1.81 in |
| Raised face — d1 | 345 mm | 13.58 in |
Values are nominal, from EN 1092-1 PN63 Flange Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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DN 250 EN 1092-1 PN63 Flange Dimensions: common questions
What are the DN 250 EN 1092-1 PN63 Flange Dimensions?
DN 250 (10") to EN 1092-1: pipe OD 273 mm; OD 470 mm; PCD 400 mm; bolts 12; holes 36 mm.
Does Teshi Group manufacture DN 250 flanges?
Yes. Teshi Group is an OEM manufacturer in India of flanges to EN 1092-1, in carbon, alloy, stainless, duplex, super duplex, nickel alloys, titanium and Cu-Ni, with EN 10204 3.1 certificates.
Can I download the DN 250 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 1092-1 PN63 Flange Dimensions chart.
Need DN 250 flanges?
Teshi Group manufactures them in India — send your size, rating and material and get a quote in 24–48 hours.
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