DN 20 IS 6392 PN 100 Flange Dimensions
DN 20 (3/4") to IS 6392: pipe OD 26.9 mm; OD 130 mm; thickness 22 mm; raised face 58 mm; RF height 2 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 20 IS 6392 PN 100 Flange Dimensions — all dimensions
PN 100 (Table 38) — plate flanges for welding (slip-on plate)
| Dimension | Value | Equivalent |
|---|---|---|
| Pipe OD — A | 26.9 mm | 1.06 in |
| Flange OD — D | 130 mm | 5.12 in |
| Flange — C | 22 mm | 0.866 in |
| Raised face — d1 | 58 mm | 2.28 in |
| RF height — f | 2 mm | 0.079 in |
| Bolt circle — K | 90 mm | 3.54 in |
| Number of bolts | 4 | |
| Hole dia — L | 18 mm | 0.709 in |
| Bolt size | M16 |
PN 100 (Table 37) — weld-neck flanges
| Dimension | Value | Equivalent |
|---|---|---|
| Pipe OD — A | 26.9 mm | 1.06 in |
| Flange OD — D | 130 mm | 5.12 in |
| Weld neck — C | 22 mm | 0.866 in |
| WN length — H | 58 mm | 2.28 in |
| Hub / neck dia — N | 42 mm | 1.65 in |
| Raised face — d1 | 58 mm | 2.28 in |
| RF height — f | 2 mm | 0.079 in |
| Bolt circle — K | 90 mm | 3.54 in |
| Number of bolts | 4 | |
| Hole dia — L | 18 mm | 0.709 in |
| Bolt size | M16 |
Values are nominal, from IS 6392 PN 100 Flange Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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DN 20 IS 6392 PN 100 Flange Dimensions: common questions
What are the DN 20 IS 6392 PN 100 Flange Dimensions?
DN 20 (3/4") to IS 6392: pipe OD 26.9 mm; OD 130 mm; thickness 22 mm; raised face 58 mm; RF height 2 mm.
Does Teshi Group manufacture DN 20 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 20 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 100 Flange Dimensions chart.
Need DN 20 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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