34 inch MSS SP-44 Class 400 Flange Dimensions
34 inch (DN 850) to MSS SP-44: OD 47.50 in; thickness 4.38 in; hub 37.19 in; length 9.50 in; raised face 38.00 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
34 inch MSS SP-44 Class 400 Flange Dimensions — all dimensions
MSS SP-44 Class 400 weld neck / blind flange dimensions (inches)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — O | 47.50 in | 1206.5 mm |
| Min. thickness — tf | 4.38 in | 111.3 mm |
| Hub dia — X | 37.19 in | 944.6 mm |
| Length thru hub — Y | 9.50 in | 241.3 mm |
| Raised face — R | 38.00 in | 965.2 mm |
| Bolt circle — W | 43.50 in | 1104.9 mm |
| Number of bolts | 28 | |
| Dia — Hole | 2.12 in | 53.8 mm |
| Bolt size | 2 |
Values are nominal, from MSS SP-44 Class 400 Flange Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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FAQ
34 inch MSS SP-44 Class 400 Flange Dimensions: common questions
What are the 34 inch MSS SP-44 Class 400 Flange Dimensions?
34 inch (DN 850) to MSS SP-44: OD 47.50 in; thickness 4.38 in; hub 37.19 in; length 9.50 in; raised face 38.00 in.
Does Teshi Group manufacture 34 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 34 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 400 Flange Dimensions chart.
Need 34 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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