3/4" NB (DN20) Flange Table - Flange Dimensions
| 3/4" | Flange Diameter | PCD | No. of Bolt Holes | Diameter of Bolts | Diameter of Holes | Diameter of Raised Face | Height of Raised Face |
|---|---|---|---|---|---|---|---|
| PN6 | 90mm | 65mm | 4 | M10 | 11mm | 50mm | 2mm |
| PN10 | 105mm | 75mm | 4 | M12 | 14mm | 58mm | 2mm |
| PN16 | 105mm | 75mm | 4 | M12 | 14mm | 58mm | 2mm |
| PN25 | 105mm | 75mm | 4 | M12 | 14mm | 58mm | 2mm |
| PN40 | 105mm | 75mm | 4 | M12 | 14mm | 58mm | 2mm |
| PN64 | 130mm | 90mm | 4 | M16 | 18mm | 58mm | 2mm |
| Table D | 4" (102mm) | 2 7/8" (73mm) | 4 | 1/2" (13mm) | 9/16" (14mm) | ||
| Table E | 4" (102mm) | 2 7/8" (73mm) | 4 | 1/2" (13mm) | 9/16" (14mm) | ||
| Table F | 4" (102mm) | 2 7/8" (73mm) | 4 | 1/2" (13mm) | 9/16" (14mm) | ||
| Table H | 4 1/2" (114mm) | 3 1/4" (83mm) | 4 | 5/8" (16mm) | 11/16" (14mm) | 2 1/4" (57mm) | 1/16" (2mm) |
| ANSI 125/150 | 3 7/8" (98mm) | 2 3/4" (70mm) | 4 | 1/2" (13mm) | 5/8" (16mm) | 1 11/16" (43mm) | 1/16" (2mm) |
| ANSI 300 | 4 5/8" (117mm) | 3 1/4" (83mm) | 4 | 5/8" (16mm) | 3/4" (19mm) | 1 11/16" (43mm) | 1/16" (2mm) |
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