DIMENSION TABLES FOR 80mm (3 Inch) FLANGES

Dimensional tables for PN, ANSI and BS10 DN80mm (3 Inch) flanges.

Dimensions Tables for Flanges
DIMENSION TABLES FOR 80mm (3 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 6 150 4 M16 18 128 2 16
PN 10 160 8 M16 18 138 2 20
PN 16 160 8 M16 18 138 2 20
PN 25 160 8 M16 18 138 2 24
PN 40 160 8 M16 18 138 2 24
PN 64 170 8 M20 22 138 2 28
PN 100 180 8 M24 26 138 2 36

ANSI

Class 125 / 150 7 1/2 (191) 6 (152) 4 5/8 (16) 3/4 (19) 5 (127) 1/16 (2) 3/4 (19)
Class 300 8 1/4 (210) ?6 5/8 (168) 8 3/4 (19) 7/8 (22) 5 (127) 1/16 (2) 11/8 (29)
Class 600 8 1/4 (210) 6 5/8 (168) 8 3/4 (19) 7/8 (22) 5 (127) 1/4 (6) 11/4 (32)
Class 900 9 1/2 (241)? 7 1/2 (192) 8 7/8 (22) 1 (25) 5 (127) 1/4 (6) 11/2 (38)
Class 1500 10 1/2 (267) 8 (203) 8 11/8 (29) 11/4 (32) 5 (127) 1/4 (6) 17/8 (48)

BS 10

Table A 7 1/4 (184) 5 3/4 (146) 4 5/8 (16) 11/16 (17) - - -
Table D 7 1/4 (184) ?5 3/4 (146) 4 5/8 (16) 11/16 (17) - - 9/16 (14)
Table E 7 1/4 (184) 5 3/4 (146) 4 5/8 (16) 11/16 (17) - - 9/16 (14)
Table F 8 (203) 6 1/2 (165) 8 5/8 (16) 11/16 (17) - - 5/8 (16)
Table H 8 (203) 6 1/2 (165) 8 5/8 (16) 11/16 (17) 5 (127) 1/16 (2) 7/8 (22)