DN 125 IS 6392 PN 64 Flange Dimensions
DN 125 (5") to IS 6392: pipe OD 139.7 mm; OD 295 mm; thickness 34 mm; raised face 188 mm; RF height 3 mm.
Key to dimensions
- D
- Outside diameter of flange
- A
- Pipe outside diameter (hub diameter at the weld end)
- C
- Flange thickness, excluding raised face unless stated
- d1
- Raised face diameter
- f
- Raised face height
- 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)
DN 125 IS 6392 PN 64 Flange Dimensions — all dimensions
PN 64 (Table 34) — plate flanges for welding (slip-on plate)
| Dimension | Value | Equivalent |
|---|---|---|
| Pipe OD — A | 139.7 mm | 5.50 in |
| Flange OD — D | 295 mm | 11.61 in |
| Flange — C | 34 mm | 1.34 in |
| Raised face — d1 | 188 mm | 7.40 in |
| RF height — f | 3 mm | 0.118 in |
| Bolt circle — K | 240 mm | 9.45 in |
| Number of bolts | 8 | |
| Hole dia — L | 30 mm | 1.18 in |
| Bolt size | M27 |
PN 64 (Table 33) — weld-neck flanges
| Dimension | Value | Equivalent |
|---|---|---|
| Pipe OD — A | 139.7 mm | 5.50 in |
| Flange OD — D | 295 mm | 11.61 in |
| Weld neck — C | 34 mm | 1.34 in |
| WN length — H | 88 mm | 3.46 in |
| Hub / neck dia — N | 168 mm | 6.61 in |
| Raised face — d1 | 188 mm | 7.40 in |
| RF height — f | 3 mm | 0.118 in |
| Bolt circle — K | 240 mm | 9.45 in |
| Number of bolts | 8 | |
| Hole dia — L | 30 mm | 1.18 in |
| Bolt size | M27 |
Values are nominal, from IS 6392 PN 64 Flange Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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DN 125 IS 6392 PN 64 Flange Dimensions: common questions
What are the DN 125 IS 6392 PN 64 Flange Dimensions?
DN 125 (5") to IS 6392: pipe OD 139.7 mm; OD 295 mm; thickness 34 mm; raised face 188 mm; RF height 3 mm.
Does Teshi Group manufacture DN 125 flanges?
Yes. Teshi Group is an OEM manufacturer in India of flanges to IS 6392, in carbon, alloy, stainless, duplex, super duplex, nickel alloys, titanium and Cu-Ni, with EN 10204 3.1 certificates.
Can I download the DN 125 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 IS 6392 PN 64 Flange Dimensions chart.
Need DN 125 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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