DN 400 IS 6392 Plate Flange & Blind Flange Dimensions
DN 400 (16") to IS 6392: OD 540 mm; Bore 408.4 mm; thickness 28 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)
DN 400 IS 6392 Plate Flange & Blind Flange Dimensions — all dimensions
IS 6392 PN 6 (Table 5) — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 540 mm | 21.26 in |
| Bore — B | 408.4 mm | 16.08 in |
| Plate, RF — C | 28 mm | 1.10 in |
| Blind, RF — C | 28 mm | 1.10 in |
IS 6392 PN 10 (Table 11) — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 565 mm | 22.24 in |
| Bore — B | 408.4 mm | 16.08 in |
| Plate, RF — C | 32 mm | 1.26 in |
| Blind, RF — C | 32 mm | 1.26 in |
IS 6392 PN 16 (Table 17) — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 580 mm | 22.83 in |
| Bore — B | 408.4 mm | 16.08 in |
| Plate, RF — C | 36 mm | 1.42 in |
| Blind, RF — C | 36 mm | 1.42 in |
IS 6392 PN 25 (Table 23) — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 620 mm | 24.41 in |
| Bore — B | 408.4 mm | 16.08 in |
| Plate, RF — C | 46 mm | 1.81 in |
| Blind, RF — C | 46 mm | 1.81 in |
IS 6392 PN 40 (Table 28) — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 660 mm | 25.98 in |
| Bore — B | 408.4 mm | 16.08 in |
| Plate, RF — C | 64 mm | 2.52 in |
| Blind, RF — C | 64 mm | 2.52 in |
IS 6392 PN 64 (Table 34) — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 670 mm | 26.38 in |
| Bore — B | 408.4 mm | 16.08 in |
| Plate, RF — C | 78 mm | 3.07 in |
| Blind, RF — C | 78 mm | 3.07 in |
IS 6392 PN 100 (Table 38) — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 715 mm | 28.15 in |
| Bore — B | 408.4 mm | 16.08 in |
| Plate, RF — C | 106 mm | 4.17 in |
| Blind, RF — C | 106 mm | 4.17 in |
Values are nominal, from IS 6392 Plate Flange & Blind Flange Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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DN 400 IS 6392 Plate Flange & Blind Flange Dimensions: common questions
What are the DN 400 IS 6392 Plate Flange & Blind Flange Dimensions?
DN 400 (16") to IS 6392: OD 540 mm; Bore 408.4 mm; thickness 28 mm.
Does Teshi Group manufacture DN 400 flanges?
Yes. Teshi Group is an OEM manufacturer in India of flanges to IS 6392, in carbon, alloy, stainless, duplex, super duplex, nickel alloys, titanium and Cu-Ni, with EN 10204 3.1 certificates.
Can I download the DN 400 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 6392 Plate Flange & Blind Flange Dimensions chart.
Need DN 400 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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