DIMENSION TABLES FOR 50mm (2 Inch) FLANGES

Dimensional tables for PN, ANSI and BS10 DN50mm (2 Inch) flanges.

Dimensions Tables for Flanges
DIMENSION TABLES FOR 50mm (2 Inch) FLANGES
BS EN
1092
DIAMETER
OF FLANGE
(A)
BOLT
CIRCLE
DIAMETER
(G)
number
OF BOLTS
BOLT SIZE DIAMETER
OF HOLES
(D)
DIAMETER
OF RAISED
FACE
(C)
HEIGHT
OF RAISED
FACE
(F)
THICKNESS
(E)

PN

PN 6 140 110 4 M12 14 90 2 14
PN 10 165 125 4 M16 18 102 2 18
PN 16 165 125 4 M16 18 102 2 18
PN 25 165 125 4 M16 18 102 2 20
PN 40 165 125 4 M16 18 102 2 20
PN 64 180 135 4 M20 22 102 2 26
PN 100 195 145 4 M24 26 102 2 30

ANSI

Class125 / 150 6 (152) 4 3/4 (121) 4 5/8 (16) 3/4 (19) 3 5/8 (92) 1/16 (2) 5/8 (16)
Class 300 6 1/2 (165) 5 (127) 8 5/8 (16) 3/4 (19) 3 5/8 (92) 1/16 (2) 7/8 (22)
Class 600 6 1/2 (165) 5 (127) 8 5/8 (16) 3/4 (19) 3 5/8 (92) 1/4 (6) (25)
Class 900 8 1/2 (216) 6 1/2 (165) 8 7/8 (22) 1 (25) 3 5/8 (92) 1/4 (6) 1/2 (38)
Class 1500 8 1/2 (216) 6 1/2 (165) 8 7/8 (22) 1 (25) 3 5/8 (92) 1/4 (6) 1/2 (38)

BS 10

Table A 6 (152) 4 1/2 (114) 4 5/8 (16) 11/16 (17) - - -
Table D 6 (152) 4 1/2 (114) 4 5/8 (16) 11/16 (17) - - 9/16 (14)
Table E 6 (152) 4 1/2 (114) 4 5/8 (16) 11/16 (17) - - 9/16 (14)
Table F 6 1/2 (165) 5 (127) 4 5/8 (16) 11/16 (17) - - 5/8 (16)
Table H 6 1/2 (165) 5 (127) 4 5/8 (16) 11/16 (17) 4 (102) 1/16 (2) 3/4 (19)