DN 1600 IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40
DN 1600 to IS 9523: OD 1915 mm; PCD 1820 mm; bolts 40; holes 49 mm; raised face 1750 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 1600 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 | 1915 mm | 75.39 in |
| Bolt circle — K | 1820 mm | 71.65 in |
| Number of bolts | 40 | |
| Hole dia — L | 49 mm | 1.93 in |
| Raised face — d1 | 1750 mm | 68.90 in |
| RF height — f | 5 mm | 0.197 in |
| Bore — B | 1623 mm | 63.90 in |
| Plate, RF — C | 49 mm | 1.93 in |
| Plate, FF — C | 44 mm | 1.73 in |
| Blind, RF — C | 49 mm | 1.93 in |
| Blind, FF — C | 44 mm | 1.73 in |
IS 9523 PN 16 — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 1930 mm | 75.98 in |
| Bolt circle — K | 1820 mm | 71.65 in |
| Number of bolts | 40 | |
| Hole dia — L | 56 mm | 2.20 in |
| Raised face — d1 | 1750 mm | 68.90 in |
| RF height — f | 5 mm | 0.197 in |
| Bore — B | 1623 mm | 63.90 in |
| Plate, RF — C | 65 mm | 2.56 in |
| Plate, FF — C | 60 mm | 2.36 in |
| Blind, RF — C | 65 mm | 2.56 in |
| Blind, FF — C | 60 mm | 2.36 in |
IS 9523 PN 25 — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 1975 mm | 77.76 in |
| Bolt circle — K | 1860 mm | 73.23 in |
| Number of bolts | 40 | |
| Hole dia — L | 62 mm | 2.44 in |
| Raised face — d1 | 1780 mm | 70.08 in |
| RF height — f | 5 mm | 0.197 in |
| Bore — B | 1623 mm | 63.90 in |
| Plate, RF — C | 81 mm | 3.19 in |
| Plate, FF — C | 76 mm | 2.99 in |
| Blind, RF — C | 81 mm | 3.19 in |
| Blind, FF — C | 76 mm | 2.99 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.
Find another size or standard
Pick a product, standard and size — or just type — to see every dimension and download a watermarked PDF for that one size.
FAQ
DN 1600 IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40: common questions
What are the DN 1600 IS 9523 Flange Dimensions — Plate & Blind, PN 10 to PN 40?
DN 1600 to IS 9523: OD 1915 mm; PCD 1820 mm; bolts 40; holes 49 mm; raised face 1750 mm.
Does Teshi Group manufacture DN 1600 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 1600 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 1600 flanges?
Teshi Group manufactures them in India — send your size, rating and material and get a quote in 24–48 hours.
Ready to build to spec?
Share your drawing, bill of materials or technical requirements with the Teshi team.