DN 900 IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40
DN 900 (36") to IS 9523: OD 1115 mm; PCD 1050 mm; bolts 28; holes 34 mm; raised face 1001 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 900 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 | 1115 mm | 43.90 in |
| Bolt circle — K | 1050 mm | 41.34 in |
| Number of bolts | 28 | |
| Hole dia — L | 34 mm | 1.34 in |
| Raised face — d1 | 1001 mm | 39.41 in |
| RF height — f | 5 mm | 0.197 in |
| Bore — B | 917.4 mm | 36.12 in |
| Plate, RF — C | 37.5 mm | 1.48 in |
| Plate, FF — C | 32.5 mm | 1.28 in |
| Blind, RF — C | 37.5 mm | 1.48 in |
| Blind, FF — C | 32.5 mm | 1.28 in |
IS 9523 PN 16 — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 1125 mm | 44.29 in |
| Bolt circle — K | 1050 mm | 41.34 in |
| Number of bolts | 28 | |
| Hole dia — L | 40 mm | 1.57 in |
| Raised face — d1 | 1001 mm | 39.41 in |
| RF height — f | 5 mm | 0.197 in |
| Bore — B | 917.4 mm | 36.12 in |
| Plate, RF — C | 46 mm | 1.81 in |
| Plate, FF — C | 41 mm | 1.61 in |
| Blind, RF — C | 46 mm | 1.81 in |
| Blind, FF — C | 41 mm | 1.61 in |
IS 9523 PN 25 — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 1185 mm | 46.65 in |
| Bolt circle — K | 1090 mm | 42.91 in |
| Number of bolts | 28 | |
| Hole dia — L | 49 mm | 1.93 in |
| Raised face — d1 | 1028 mm | 40.47 in |
| RF height — f | 5 mm | 0.197 in |
| Bore — B | 917.4 mm | 36.12 in |
| Plate, RF — C | 55.5 mm | 2.19 in |
| Plate, FF — C | 50.5 mm | 1.99 in |
| Blind, RF — C | 55.5 mm | 2.19 in |
| Blind, FF — C | 50.5 mm | 1.99 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 900 IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40: common questions
What are the DN 900 IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40?
DN 900 (36") to IS 9523: OD 1115 mm; PCD 1050 mm; bolts 28; holes 34 mm; raised face 1001 mm.
Does Teshi Group manufacture DN 900 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 900 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 900 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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