DN 300 EN 1092-1 PN100 Flange Dimensions
DN 300 (12") to EN 1092-1: pipe OD 323.9 mm; OD 585 mm; PCD 500 mm; bolts 16; holes 42 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 300 EN 1092-1 PN100 Flange Dimensions — all dimensions
EN 1092-1 PN 100 flange dimensions (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Pipe OD — A | 323.9 mm | 12.75 in |
| Flange OD — D | 585 mm | 23.03 in |
| Bolt circle — K | 500 mm | 19.69 in |
| Number of bolts | 16 | |
| Hole dia — L | 42 mm | 1.65 in |
| Bolt size | M39 | |
| Plate (Type 01) — C | 84 mm | 3.31 in |
| Blind / weld neck — C | 68 mm | 2.68 in |
| Raised face — d1 | 410 mm | 16.14 in |
Values are nominal, from EN 1092-1 PN100 Flange 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 1092-1 PN100 Flange Dimensions
Same size in other ratings
Related for this size
12" Stud Bolt Chart for ASME B16.5 Flanges
Same size — open the dimensions page.
View online · PDFASME B16.2012" ASME B16.20 Spiral Wound Gasket Dimensions
Same size — open the dimensions page.
View online · PDFASME B16.2112" ASME B16.21 Non-Metallic Flat Gasket Dimensions
Same size — open the dimensions page.
View online · PDFASME B36.10M12" Pipe Schedule Chart — ASME B36.10M
Same size — open the dimensions page.
View online · PDFFAQ
DN 300 EN 1092-1 PN100 Flange Dimensions: common questions
What are the DN 300 EN 1092-1 PN100 Flange Dimensions?
DN 300 (12") to EN 1092-1: pipe OD 323.9 mm; OD 585 mm; PCD 500 mm; bolts 16; holes 42 mm.
Does Teshi Group manufacture DN 300 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 300 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 PN100 Flange Dimensions chart.
Need DN 300 flanges?
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.