DIMENSION TABLES FOR 100mm (4 Inch) FLANGES

Dimensional tables for PN, ANSI and BS10 DN100mm (4 Inch) flanges.

Dimensions Tables for Flanges
DIMENSION TABLES FOR 100mm (4 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 6 210 170 4 M16 18 148 2 16
PN 10 220 180 8 M16 18 158 2 20
PN 16 220 180 8 M16 18 158 2 20
PN 25 235 190 8 M20 22 162 2 24
PN 40 235 190 8 M20 22 162 2 24
PN 64 250 200 8 M24 26 162 2 30
PN 100 265 210 8 M27 30 162 2 40

ANSI

Class 125 / 150 9 (229) 7 1/2 (191) 8 5/8 (16) 3/4 (19) 6 3/16 (157) 1/16 (2) 15/16 (24)
Class 300 10 (254) 7 7/8 (200) 8 3/4 (19) 7/8 (22) 6 3/16 (157) 1/16 (2) 11/4 (32)
Class 600 10 3/4 (273) 8 1/2 (216) 8 7/8 (22) 1 (25) 6 3/16 (157) 1/4 (6) 11/2 (38)
Class 900 11 1/2 (292) 9 1/4 (235) 8 11/8 (29) 11/4 (32) 6 3/16 (157) 1/4 (6) 13/4 (44)
Class 1500 12 1/4 (311) 9 1/2 (241) 8 11/4 (32) 13/8 (35) 6 3/16 (157) 1/4 (6) 21/8 (54)

BS 10

Table A 8 1/2 (216) 7 (178) 4 5/8 (16) 11/16 (17) - - -
Table D 8 1/2 (216) 7 (178) 4 5/8 (16) 11/16 (17) - - 11/16 (17)
Table E 8 1/2 (216) 7 (178) 8 5/8 (16) 11/16 (17) - - 11/16 (17)
Table F 9 (229) 7 1/2 (191) 8 5/8 (16) 11/16 (17) - - 3/4 (19)
Table H 9 (229) 7 1/2 (191) 8 5/8 (16) 11/16 (17) 6 (152) 1/16 (2) 1 (25)