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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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