DN 750 IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40
DN 750 (30") to IS 9523: OD 960 mm; PCD 900 mm; bolts 24; holes 31 mm; raised face 857 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 750 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 | 960 mm | 37.80 in |
| Bolt circle — K | 900 mm | 35.43 in |
| Number of bolts | 24 | |
| Hole dia — L | 31 mm | 1.22 in |
| Raised face — d1 | 857 mm | 33.74 in |
| RF height — f | 5 mm | 0.197 in |
| Bore — B | 765 mm | 30.12 in |
| Plate, RF — C | 34 mm | 1.34 in |
| Plate, FF — C | 29 mm | 1.14 in |
| Blind, RF — C | 34 mm | 1.34 in |
| Blind, FF — C | 29 mm | 1.14 in |
IS 9523 PN 16 — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 970 mm | 38.19 in |
| Bolt circle — K | 900 mm | 35.43 in |
| Number of bolts | 24 | |
| Hole dia — L | 37 mm | 1.46 in |
| Raised face — d1 | 857 mm | 33.74 in |
| RF height — f | 5 mm | 0.197 in |
| Bore — B | 765 mm | 30.12 in |
| Plate, RF — C | 41 mm | 1.61 in |
| Plate, FF — C | 36 mm | 1.42 in |
| Blind, RF — C | 41 mm | 1.61 in |
| Blind, FF — C | 36 mm | 1.42 in |
IS 9523 PN 25 — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 1020 mm | 40.16 in |
| Bolt circle — K | 940 mm | 37.01 in |
| Number of bolts | 24 | |
| Hole dia — L | 43 mm | 1.69 in |
| Raised face — d1 | 883 mm | 34.76 in |
| RF height — f | 5 mm | 0.197 in |
| Bore — B | 765 mm | 30.12 in |
| Plate, RF — C | 50 mm | 1.97 in |
| Plate, FF — C | 45 mm | 1.77 in |
| Blind, RF — C | 50 mm | 1.97 in |
| Blind, FF — C | 45 mm | 1.77 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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FAQ
DN 750 IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40: common questions
What are the DN 750 IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40?
DN 750 (30") to IS 9523: OD 960 mm; PCD 900 mm; bolts 24; holes 31 mm; raised face 857 mm.
Does Teshi Group manufacture DN 750 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 750 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 750 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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