DN 150 IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40
DN 150 (6") to IS 9523: OD 285 mm; PCD 240 mm; bolts 8; holes 23 mm; raised face 211 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 150 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 | 285 mm | 11.22 in |
| Bolt circle — K | 240 mm | 9.45 in |
| Number of bolts | 8 | |
| Hole dia — L | 23 mm | 0.906 in |
| Raised face — d1 | 211 mm | 8.31 in |
| RF height — f | 3 mm | 0.118 in |
| Bore — B | 171.3 mm | 6.74 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 | 285 mm | 11.22 in |
| Bolt circle — K | 240 mm | 9.45 in |
| Number of bolts | 8 | |
| Hole dia — L | 23 mm | 0.906 in |
| Raised face — d1 | 211 mm | 8.31 in |
| RF height — f | 3 mm | 0.118 in |
| Bore — B | 171.3 mm | 6.74 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 | 300 mm | 11.81 in |
| Bolt circle — K | 250 mm | 9.84 in |
| Number of bolts | 8 | |
| Hole dia — L | 28 mm | 1.10 in |
| Raised face — d1 | 211 mm | 8.31 in |
| RF height — f | 3 mm | 0.118 in |
| Bore — B | 171.3 mm | 6.74 in |
| Plate, RF — C | 20 mm | 0.787 in |
| Plate, FF — C | 17 mm | 0.669 in |
| Blind, RF — C | 20 mm | 0.787 in |
| Blind, FF — C | 17 mm | 0.669 in |
IS 9523 PN 40 — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 300 mm | 11.81 in |
| Bolt circle — K | 250 mm | 9.84 in |
| Number of bolts | 8 | |
| Hole dia — L | 28 mm | 1.10 in |
| Raised face — d1 | 211 mm | 8.31 in |
| RF height — f | 3 mm | 0.118 in |
| Bore — B | 171.3 mm | 6.74 in |
| Plate, RF — C | 26 mm | 1.02 in |
| Plate, FF — C | 23 mm | 0.906 in |
| Blind, RF — C | 26 mm | 1.02 in |
| Blind, FF — C | 23 mm | 0.906 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 150 IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40: common questions
What are the DN 150 IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40?
DN 150 (6") to IS 9523: OD 285 mm; PCD 240 mm; bolts 8; holes 23 mm; raised face 211 mm.
Does Teshi Group manufacture DN 150 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 150 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 150 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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