14 inch AWWA C207 Class E Flange Dimensions
14 inch (DN 350) to AWWA C207: OD 21 in; PCD 18.75 in; bolts 12; holes 1.125 in; thickness 1.875 in.
Key to dimensions
- D
- Outside diameter of flange
- C
- Flange thickness, excluding raised face unless stated
- N
- Neck / hub diameter at base
- H
- Length through hub / neck length
- K
- Bolt circle (pitch circle) diameter
- n
- Number of bolts
- L
- Bolt hole diameter
- Bolt
- Bolt size (metric M or inch diameter)
14 inch AWWA C207 Class E Flange Dimensions — all dimensions
Class E — steel ring (slip-on) flange, 275 psi — inches
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 21 in | 533.4 mm |
| Bolt circle — K | 18.75 in | 476.2 mm |
| Number of bolts | 12 | |
| Hole dia — L | 1.125 in | 28.6 mm |
| Slip-on ring — C | 1.875 in | 47.6 mm |
Class E — steel hub flange, 275 psi — inches
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 21 in | 533.4 mm |
| Bolt circle — K | 18.75 in | 476.2 mm |
| Number of bolts | 12 | |
| Hole dia — L | 1.125 in | 28.6 mm |
| Hub flange — C | 1.375 in | 34.9 mm |
| Overall length incl. hub — H | 2.25 in | 57.1 mm |
| Hub / neck dia — N | 15.75 in | 400.0 mm |
Values are nominal, from AWWA C207 Class E Flange Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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14 inch AWWA C207 Class E Flange Dimensions: common questions
What are the 14 inch AWWA C207 Class E Flange Dimensions?
14 inch (DN 350) to AWWA C207: OD 21 in; PCD 18.75 in; bolts 12; holes 1.125 in; thickness 1.875 in.
Does Teshi Group manufacture 14 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 14 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 E Flange Dimensions chart.
Need 14 inch 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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