DN 1000 ASME B16.47 Large Diameter Plate & Blind Flange Dimensions
DN 1000 (40") to ASME B16.47: OD 1290 mm; PCD 1200.2 mm; bolts 36; holes 41.3 mm; raised face 1124 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 1000 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 | 1290 mm | 50.79 in |
| Bolt circle — K | 1200.2 mm | 47.25 in |
| Number of bolts | 36 | |
| Hole dia — L | 41.3 mm | 1.63 in |
| Raised face — d1 | 1124 mm | 44.25 in |
| RF height — f | 2 mm | 0.079 in |
| Bore — B | 1019 mm | 40.12 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 | 1240 mm | 48.82 in |
| Bolt circle — K | 1155.7 mm | 45.50 in |
| Number of bolts | 32 | |
| Hole dia — L | 44.5 mm | 1.75 in |
| Raised face — d1 | 1086 mm | 42.76 in |
| RF height — f | 2 mm | 0.079 in |
| Bore — B | 1019 mm | 40.12 in |
| Plate, RF — C | 112.8 mm | 4.44 in |
| Plate, FF — C | 110.8 mm | 4.36 in |
| Blind, RF — C | 112.8 mm | 4.44 in |
| Blind, FF — C | 110.8 mm | 4.36 in |
ASME B16.47 Series B Class 150 — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 1175 mm | 46.26 in |
| Bolt circle — K | 1120.8 mm | 44.13 in |
| Number of bolts | 44 | |
| Hole dia — L | 28.6 mm | 1.13 in |
| Raised face — d1 | 1080 mm | 42.52 in |
| RF height — f | 2 mm | 0.079 in |
| Bore — B | 1020.5 mm | 40.18 in |
| Plate, RF — C | 54.1 mm | 2.13 in |
| Plate, FF — C | 52.1 mm | 2.05 in |
| Blind, RF — C | 65.2 mm | 2.57 in |
| Blind, FF — C | 63.2 mm | 2.49 in |
ASME B16.47 Series B Class 300 — plate and blind flange (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Flange OD — D | 1275 mm | 50.20 in |
| Bolt circle — K | 1190.6 mm | 46.87 in |
| Number of bolts | 40 | |
| Hole dia — L | 44.5 mm | 1.75 in |
| Raised face — d1 | 1114 mm | 43.86 in |
| RF height — f | 2 mm | 0.079 in |
| Bore — B | 1023.9 mm | 40.31 in |
| Plate, RF — C | 114.3 mm | 4.50 in |
| Plate, FF — C | 112.3 mm | 4.42 in |
| Blind, RF — C | 114.3 mm | 4.50 in |
| Blind, FF — C | 112.3 mm | 4.42 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 1000 ASME B16.47 Large Diameter Plate & Blind Flange Dimensions: common questions
What are the DN 1000 ASME B16.47 Large Diameter Plate & Blind Flange Dimensions?
DN 1000 (40") to ASME B16.47: OD 1290 mm; PCD 1200.2 mm; bolts 36; holes 41.3 mm; raised face 1124 mm.
Does Teshi Group manufacture DN 1000 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 1000 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 1000 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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