4 inch AWWA C207 Class E Flange Dimensions
4 inch (DN 100) to AWWA C207: OD 9 in; PCD 7.5 in; bolts 8; holes 0.75 in; thickness 1.125 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)
4 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 | 9 in | 228.6 mm |
| Bolt circle — K | 7.5 in | 190.5 mm |
| Number of bolts | 8 | |
| Hole dia — L | 0.75 in | 19.0 mm |
| Slip-on ring — C | 1.125 in | 28.6 mm |
Class E — steel hub flange, 275 psi — inches
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 9 in | 228.6 mm |
| Bolt circle — K | 7.5 in | 190.5 mm |
| Number of bolts | 8 | |
| Hole dia — L | 0.75 in | 19.0 mm |
| Hub flange — C | 0.938 in | 23.8 mm |
| Overall length incl. hub — H | 1.312 in | 33.3 mm |
| Hub / neck dia — N | 5.312 in | 134.9 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.
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 — AWWA C207 Class E Flange Dimensions
Same size in other ratings
Related for this size
4" Stud Bolt Chart for ASME B16.5 Flanges
Same size — open the dimensions page.
View online · PDFASME B16.204" ASME B16.20 Spiral Wound Gasket Dimensions
Same size — open the dimensions page.
View online · PDFASME B16.214" ASME B16.21 Non-Metallic Flat Gasket Dimensions
Same size — open the dimensions page.
View online · PDFASME B36.10M4" Pipe Schedule Chart — ASME B36.10M
Same size — open the dimensions page.
View online · PDFFAQ
4 inch AWWA C207 Class E Flange Dimensions: common questions
What are the 4 inch AWWA C207 Class E Flange Dimensions?
4 inch (DN 100) to AWWA C207: OD 9 in; PCD 7.5 in; bolts 8; holes 0.75 in; thickness 1.125 in.
Does Teshi Group manufacture 4 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 4 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 4 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.