DN 1200 IS 6392 PN 10 Flange Dimensions
DN 1200 (48") to IS 6392: pipe OD 1220 mm; OD 1455 mm; thickness 74 mm; raised face 1330 mm; RF height 5 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 1200 IS 6392 PN 10 Flange Dimensions — all dimensions
PN 10 (Table 11) — plate flanges for welding (slip-on plate)
| Dimension | Value | Equivalent |
|---|---|---|
| Pipe OD — A | 1220 mm | 48.03 in |
| Flange OD — D | 1455 mm | 57.28 in |
| Flange — C | 74 mm | 2.91 in |
| Raised face — d1 | 1330 mm | 52.36 in |
| RF height — f | 5 mm | 0.197 in |
| Bolt circle — K | 1380 mm | 54.33 in |
| Number of bolts | 32 | |
| Hole dia — L | 39 mm | 1.54 in |
| Bolt size | M36 |
PN 10 (Table 10 weld-neck + Table 14 blind) — thickness, neck and drilling
| Dimension | Value | Equivalent |
|---|---|---|
| Pipe OD — A | 1220 mm | 48.03 in |
| Flange OD — D | 1455 mm | 57.28 in |
| Weld neck — C | 39 mm | 1.54 in |
| WN length — H | 115 mm | 4.53 in |
| Hub / neck dia — N | 1255 mm | 49.41 in |
| Raised face — d1 | 1330 mm | 52.36 in |
| RF height — f | 5 mm | 0.197 in |
| Bolt circle — K | 1380 mm | 54.33 in |
| Number of bolts | 32 | |
| Hole dia — L | 39 mm | 1.54 in |
| Bolt size | M36 |
Values are nominal, from IS 6392 PN 10 Flange Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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FAQ
DN 1200 IS 6392 PN 10 Flange Dimensions: common questions
What are the DN 1200 IS 6392 PN 10 Flange Dimensions?
DN 1200 (48") to IS 6392: pipe OD 1220 mm; OD 1455 mm; thickness 74 mm; raised face 1330 mm; RF height 5 mm.
Does Teshi Group manufacture DN 1200 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 1200 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 10 Flange Dimensions chart.
Need DN 1200 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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