12 inch MSS SP-44 Class 600 Flange Dimensions
12 inch (DN 300) to MSS SP-44: OD 22.00 in; thickness 2.62 in; hub 15.75 in; length 6.12 in; raised face 15.00 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
12 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 | 22.00 in | 558.8 mm |
| Min. thickness — tf | 2.62 in | 66.5 mm |
| Hub dia — X | 15.75 in | 400.0 mm |
| Length thru hub — Y | 6.12 in | 155.4 mm |
| Raised face — R | 15.00 in | 381.0 mm |
| Bolt circle — W | 19.25 in | 488.9 mm |
| Number of bolts | 20 | |
| Dia — Hole | 1.38 in | 35.1 mm |
| Bolt size | 1-1/4 |
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.
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 — MSS SP-44 Class 600 Flange Dimensions
Same size in other ratings
Related for this size
12" Stud Bolt Chart for ASME B16.5 Flanges
Same size — open the dimensions page.
View online · PDFASME B16.2012" ASME B16.20 Spiral Wound Gasket Dimensions
Same size — open the dimensions page.
View online · PDFASME B16.2112" ASME B16.21 Non-Metallic Flat Gasket Dimensions
Same size — open the dimensions page.
View online · PDFASME B36.10M12" Pipe Schedule Chart — ASME B36.10M
Same size — open the dimensions page.
View online · PDFFAQ
12 inch MSS SP-44 Class 600 Flange Dimensions: common questions
What are the 12 inch MSS SP-44 Class 600 Flange Dimensions?
12 inch (DN 300) to MSS SP-44: OD 22.00 in; thickness 2.62 in; hub 15.75 in; length 6.12 in; raised face 15.00 in.
Does Teshi Group manufacture 12 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 12 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 12 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.