20 inch MSS SP-44 Class 600 Flange Dimensions
20 inch (DN 500) to MSS SP-44: OD 32.00 in; thickness 3.50 in; hub 24.00 in; length 7.50 in; raised face 23.00 in.
Key to dimensions
- O
- Outside diameter of flange
- tf
- Minimum flange thickness
- X
- Hub diameter at base
- Y
- Length through hub
- R
- Raised face diameter
- W
- Bolt circle diameter
- Bolts
- Number of bolts
- Hole
- Bolt hole diameter
- Bolt
- Bolt diameter
20 inch MSS SP-44 Class 600 Flange Dimensions — all dimensions
MSS SP-44 Class 600 weld neck / blind flange dimensions (inches)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — O | 32.00 in | 812.8 mm |
| Min. thickness — tf | 3.50 in | 88.9 mm |
| Hub dia — X | 24.00 in | 609.6 mm |
| Length thru hub — Y | 7.50 in | 190.5 mm |
| Raised face — R | 23.00 in | 584.2 mm |
| Bolt circle — W | 28.50 in | 723.9 mm |
| Number of bolts | 24 | |
| Dia — Hole | 1.75 in | 44.4 mm |
| Bolt size | 1-5/8 |
Values are nominal, from MSS SP-44 Class 600 Flange Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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20 inch MSS SP-44 Class 600 Flange Dimensions: common questions
What are the 20 inch MSS SP-44 Class 600 Flange Dimensions?
20 inch (DN 500) to MSS SP-44: OD 32.00 in; thickness 3.50 in; hub 24.00 in; length 7.50 in; raised face 23.00 in.
Does Teshi Group manufacture 20 inch flanges?
Yes. Teshi Group is an OEM manufacturer in India of flanges to MSS SP-44, in carbon, alloy, stainless, duplex, super duplex, nickel alloys, titanium and Cu-Ni, with EN 10204 3.1 certificates.
Can I download the 20 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 MSS SP-44 Class 600 Flange Dimensions chart.
Need 20 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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