DN 100 IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40
DN 100 (4") to IS 9523: OD 220 mm; PCD 180 mm; bolts 8; holes 19 mm; raised face 156 mm.
Key to dimensions
- D
- Outside diameter of flange
- B
- Bore (inside diameter) of plate flange
- C
- Flange thickness — plate or blind, raised face (RF) or flat face (FF)
- K
- Bolt circle (pitch circle) diameter
- n
- Number of bolt holes
- L
- Bolt hole diameter
- d1
- Raised face diameter
- f
- Raised face height
DN 100 IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40 — all dimensions
IS 9523 PN 10 — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 220 mm | 8.66 in |
| Bolt circle — K | 180 mm | 7.09 in |
| Number of bolts | 8 | |
| Hole dia — L | 19 mm | 0.748 in |
| Raised face — d1 | 156 mm | 6.14 in |
| RF height — f | 3 mm | 0.118 in |
| Bore — B | 117.3 mm | 4.62 in |
| Plate, RF — C | 19 mm | 0.748 in |
| Plate, FF — C | 16 mm | 0.630 in |
| Blind, RF — C | 19 mm | 0.748 in |
| Blind, FF — C | 16 mm | 0.630 in |
IS 9523 PN 16 — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 220 mm | 8.66 in |
| Bolt circle — K | 180 mm | 7.09 in |
| Number of bolts | 8 | |
| Hole dia — L | 19 mm | 0.748 in |
| Raised face — d1 | 156 mm | 6.14 in |
| RF height — f | 3 mm | 0.118 in |
| Bore — B | 117.3 mm | 4.62 in |
| Plate, RF — C | 19 mm | 0.748 in |
| Plate, FF — C | 16 mm | 0.630 in |
| Blind, RF — C | 19 mm | 0.748 in |
| Blind, FF — C | 16 mm | 0.630 in |
IS 9523 PN 25 — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 235 mm | 9.25 in |
| Bolt circle — K | 190 mm | 7.48 in |
| Number of bolts | 8 | |
| Hole dia — L | 23 mm | 0.906 in |
| Raised face — d1 | 156 mm | 6.14 in |
| RF height — f | 3 mm | 0.118 in |
| Bore — B | 117.3 mm | 4.62 in |
| Plate, RF — C | 19 mm | 0.748 in |
| Plate, FF — C | 16 mm | 0.630 in |
| Blind, RF — C | 19 mm | 0.748 in |
| Blind, FF — C | 16 mm | 0.630 in |
IS 9523 PN 40 — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 235 mm | 9.25 in |
| Bolt circle — K | 190 mm | 7.48 in |
| Number of bolts | 8 | |
| Hole dia — L | 23 mm | 0.906 in |
| Raised face — d1 | 166 mm | 6.54 in |
| RF height — f | 3 mm | 0.118 in |
| Bore — B | 117.3 mm | 4.62 in |
| Plate, RF — C | 19 mm | 0.748 in |
| Plate, FF — C | 16 mm | 0.630 in |
| Blind, RF — C | 19 mm | 0.748 in |
| Blind, FF — C | 16 mm | 0.630 in |
Values are nominal, from IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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Other sizes — IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40
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DN 100 IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40: common questions
What are the DN 100 IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40?
DN 100 (4") to IS 9523: OD 220 mm; PCD 180 mm; bolts 8; holes 19 mm; raised face 156 mm.
Does Teshi Group manufacture DN 100 flanges?
Yes. Teshi Group is an OEM manufacturer in India of flanges to IS 9523, in carbon, alloy, stainless, duplex, super duplex, nickel alloys, titanium and Cu-Ni, with EN 10204 3.1 certificates.
Can I download the DN 100 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 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40 chart.
Need DN 100 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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