10 inch AWWA C207 Class B Flange Dimensions
10 inch (DN 250) to AWWA C207: OD 16 in; PCD 14.25 in; bolts 12; holes 1 in; bolt size 0.88.
Key to dimensions
- D
- Outside diameter of flange
- C
- Flange thickness, excluding raised face unless stated
- K
- Bolt circle (pitch circle) diameter
- n
- Number of bolts
- L
- Bolt hole diameter
- Bolt
- Bolt size (metric M or inch diameter)
10 inch AWWA C207 Class B Flange Dimensions — all dimensions
Class B — steel ring (slip-on) flange, 86 psi — inches
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 16 in | 406.4 mm |
| Bolt circle — K | 14.25 in | 361.9 mm |
| Number of bolts | 12 | |
| Hole dia — L | 1 in | 25.4 mm |
| Bolt size | 0.88 | |
| Slip-on ring — C | 0.688 in | 17.5 mm |
Values are nominal, from AWWA C207 Class B Flange Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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10 inch AWWA C207 Class B Flange Dimensions: common questions
What are the 10 inch AWWA C207 Class B Flange Dimensions?
10 inch (DN 250) to AWWA C207: OD 16 in; PCD 14.25 in; bolts 12; holes 1 in; bolt size 0.88.
Does Teshi Group manufacture 10 inch flanges?
Yes. Teshi Group is an OEM manufacturer in India of flanges to AWWA C207, in carbon, alloy, stainless, duplex, super duplex, nickel alloys, titanium and Cu-Ni, with EN 10204 3.1 certificates.
Can I download the 10 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 AWWA C207 Class B Flange Dimensions chart.
Need 10 inch 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.