54 inch AWWA C207 Class D Flange Dimensions
54 inch (DN 1350) to AWWA C207: OD 66.25 in; PCD 62.75 in; bolts 44; holes 1.875 in; bolt size 1.75.
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)
54 inch AWWA C207 Class D Flange Dimensions — all dimensions
Class D — steel ring (slip-on) flange, 175 psi (4–12 in) / 150 psi (14 in+) — inches
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 66.25 in | 1682.8 mm |
| Bolt circle — K | 62.75 in | 1593.8 mm |
| Number of bolts | 44 | |
| Hole dia — L | 1.875 in | 47.6 mm |
| Bolt size | 1.75 | |
| Slip-on ring — C | 2.125 in | 54.0 mm |
Class D — steel hub flange, 175 / 150 psi — inches
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 66.25 in | 1682.8 mm |
| Bolt circle — K | 62.75 in | 1593.8 mm |
| Number of bolts | 44 | |
| Hole dia — L | 1.875 in | 47.6 mm |
| Bolt size | 1.75 | |
| Hub flange — C | 1.375 in | 34.9 mm |
| Overall length incl. hub — H | 2.5 in | 63.5 mm |
| Hub / neck dia — N | 57 in | 1447.8 mm |
Values are nominal, from AWWA C207 Class D 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.
FAQ
54 inch AWWA C207 Class D Flange Dimensions: common questions
What are the 54 inch AWWA C207 Class D Flange Dimensions?
54 inch (DN 1350) to AWWA C207: OD 66.25 in; PCD 62.75 in; bolts 44; holes 1.875 in; bolt size 1.75.
Does Teshi Group manufacture 54 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 54 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 D Flange Dimensions chart.
Need 54 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.