DN 900 ASME B16.47 Large Diameter Plate & Blind Flange Dimensions
DN 900 (36") to ASME B16.47: OD 1170 mm; PCD 1085.8 mm; bolts 32; holes 41.3 mm; raised face 1022 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 ASME B16.47 Large Diameter Plate & Blind Flange Dimensions — all dimensions
ASME B16.47 Series A Class 150 — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 1170 mm | 46.06 in |
| Bolt circle — K | 1085.8 mm | 42.75 in |
| Number of bolts | 32 | |
| Hole dia — L | 41.3 mm | 1.63 in |
| Raised face — d1 | 1022 mm | 40.24 in |
| RF height — f | 2 mm | 0.079 in |
| Bore — B | 917.4 mm | 36.12 in |
| Plate, RF — C | 88.9 mm | 3.50 in |
| Plate, FF — C | 86.9 mm | 3.42 in |
| Blind, RF — C | 88.9 mm | 3.50 in |
| Blind, FF — C | 86.9 mm | 3.42 in |
ASME B16.47 Series A Class 300 — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 1270 mm | 50.00 in |
| Bolt circle — K | 1168.4 mm | 46.00 in |
| Number of bolts | 32 | |
| Hole dia — L | 54 mm | 2.13 in |
| Raised face — d1 | 1022 mm | 40.24 in |
| RF height — f | 2 mm | 0.079 in |
| Bore — B | 917.4 mm | 36.12 in |
| Plate, RF — C | 103.2 mm | 4.06 in |
| Plate, FF — C | 101.2 mm | 3.98 in |
| Blind, RF — C | 109.6 mm | 4.31 in |
| Blind, FF — C | 107.6 mm | 4.24 in |
ASME B16.47 Series B Class 150 — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 1055 mm | 41.54 in |
| Bolt circle — K | 1009.6 mm | 39.75 in |
| Number of bolts | 44 | |
| Hole dia — L | 25.4 mm | 1.00 in |
| Raised face — d1 | 972 mm | 38.27 in |
| RF height — f | 2 mm | 0.079 in |
| Bore — B | 917.4 mm | 36.12 in |
| Plate, RF — C | 50.9 mm | 2.00 in |
| Plate, FF — C | 48.9 mm | 1.93 in |
| Blind, RF — C | 57.3 mm | 2.26 in |
| Blind, FF — C | 55.3 mm | 2.18 in |
ASME B16.47 Series B Class 300 — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 1170 mm | 46.06 in |
| Bolt circle — K | 1089 mm | 42.87 in |
| Number of bolts | 32 | |
| Hole dia — L | 44.5 mm | 1.75 in |
| Raised face — d1 | 1010 mm | 39.76 in |
| RF height — f | 2 mm | 0.079 in |
| Bore — B | 922.3 mm | 36.31 in |
| Plate, RF — C | 101.6 mm | 4.00 in |
| Plate, FF — C | 99.6 mm | 3.92 in |
| Blind, RF — C | 101.6 mm | 4.00 in |
| Blind, FF — C | 99.6 mm | 3.92 in |
Values are nominal, from ASME B16.47 Large Diameter Plate & Blind Flange Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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FAQ
DN 900 ASME B16.47 Large Diameter Plate & Blind Flange Dimensions: common questions
What are the DN 900 ASME B16.47 Large Diameter Plate & Blind Flange Dimensions?
DN 900 (36") to ASME B16.47: OD 1170 mm; PCD 1085.8 mm; bolts 32; holes 41.3 mm; raised face 1022 mm.
Does Teshi Group manufacture DN 900 flanges?
Yes. Teshi Group is an OEM manufacturer in India of flanges to ASME B16.47, 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 ASME B16.47 Large Diameter Plate & Blind Flange Dimensions 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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