450 inch BS 10 Plate Flange & Blind Flange Dimensions (Tables D, E, F, H)
450 inch to BS 10: OD 641.4 mm; Bore 459.2 mm; thickness 22.2 mm; PCD 584.2 mm; bolts 12.
Key to dimensions
- D
- Outside diameter of flange
- B
- Bore (inside diameter) of plate flange
- C
- Flange thickness — plate or blind, raised face (RF) or flat face (FF)
- K
- Bolt circle (pitch circle) diameter
- n
- Number of bolt holes
450 inch BS 10 Plate Flange & Blind Flange Dimensions (Tables D, E, F, H) — all dimensions
BS 10 Table D — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 641.4 mm | 25.25 in |
| Bore — B | 459.2 mm | 18.08 in |
| Plate, RF — C | 22.2 mm | 0.874 in |
| Plate, FF — C | 25.4 mm | 1.00 in |
| Blind, RF — C | 22.2 mm | 0.874 in |
| Blind, FF — C | 25.4 mm | 1.00 in |
| Bolt circle — K | 584.2 mm | 23.00 in |
| Number of bolts | 12 | |
| Bolt dia | 22.2 |
BS 10 Table E — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 641.4 mm | 25.25 in |
| Bore — B | 459.2 mm | 18.08 in |
| Plate, RF — C | 28.6 mm | 1.13 in |
| Blind, RF — C | 28.6 mm | 1.13 in |
| Bolt circle — K | 584.2 mm | 23.00 in |
| Number of bolts | 16 | |
| Bolt dia | 22.2 |
BS 10 Table F — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 673.1 mm | 26.50 in |
| Bore — B | 459.2 mm | 18.08 in |
| Plate, RF — C | 34.9 mm | 1.37 in |
| Blind, RF — C | 34.9 mm | 1.37 in |
BS 10 Table H — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 673.1 mm | 26.50 in |
| Bore — B | 459.2 mm | 18.08 in |
| Plate, RF — C | 47.6 mm | 1.87 in |
| Blind, RF — C | 47.6 mm | 1.87 in |
| Bolt circle — K | 609.6 mm | 24.00 in |
| Number of bolts | 20 | |
| Bolt dia | 28.6 |
Values are nominal, from BS 10 Plate Flange & Blind Flange Dimensions (Tables D, E, F, H). Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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FAQ
450 inch BS 10 Plate Flange & Blind Flange Dimensions (Tables D, E, F, H): common questions
What are the 450 inch BS 10 Plate Flange & Blind Flange Dimensions (Tables D, E, F, H)?
450 inch to BS 10: OD 641.4 mm; Bore 459.2 mm; thickness 22.2 mm; PCD 584.2 mm; bolts 12.
Does Teshi Group manufacture 450 inch flanges?
Yes. Teshi Group is an OEM manufacturer in India of flanges to BS 10, in carbon, alloy, stainless, duplex, super duplex, nickel alloys, titanium and Cu-Ni, with EN 10204 3.1 certificates.
Can I download the 450 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 BS 10 Plate Flange & Blind Flange Dimensions (Tables D, E, F, H) chart.
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