DIMENSION TABLES FOR 250mm (10 Inch) FLANGES

Dimensional tables for PN, ANSI and BS10 DN250mm (10 Inch) flanges.

Dimensions Tables for Flanges
DIMENSION TABLES FOR 250mm (10 Inch) FLANGES
BS EN
1092
DIAMETER
OF FLANGE
(A)
BOLT
CIRCLE
DIAMETER
(G)
number
OF BOLTS
BOLT SIZEDIAMETER
OF HOLES
(D)
DIAMETER
OF RAISED
FACE
(C)
HEIGHT
OF RAISED
FACE
(F)
THICKNESS
(E)

PN

PN 637533512M1618 312222
PN 10395 (2)35012M2022320226
PN 16405 (2)35512M2426 320226
PN 2542537012M2730335232
PN 4045038512M3033345 238
PN 6447040012M3336345246
PN 10050543012M36393452 60

ANSI

Class 125 / 15016 (406)14 1/4 (362)127/81 (25)12 3/4 (324)1/16 (2)1 3/16 (30)
Class 30017 1/2 (445)15 1/4 (387)161 (25)1 1/8 (29)12 3/4 (324)1/161 7/8 (41)
Class 60020 (508)17 (432)16 1 1/4 (32)1 3/8 (35)12 3/4 (324)1/42 1/2 (64)
Class 90021 1/2 (546)18 1/2 (470)161 3/8 (35)1 1/2 (38)12 3/4 (324)1/4 2 3/4 (70)
Class 150023 (584)19 (483)121 7/8 (41)2 1/2 (38)12 3/4 (324)1/44 1/4 (108)

BS 10

Table A16 (406)14 (356)83/47/8 22--15/16
Table D16 (406)14 (356)83/47/8 22-- 3/4
Table E16 (406)14 (356)123/47/8 22--7/8
Table F17 (432)15 (381)127/81 (25) --1 (25)
Table H17 (432)15 (381)127/81 (25)121/4 (311)1/161 3/8 (35)