DIMENSION TABLES FOR 400mm (16 Inch) FLANGES

Dimensional tables for PN, ANSI and BS10 DN400mm (16 Inch) flanges.

Dimensions Tables for Flanges
DIMENSION TABLES FOR 400mm (16 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 6 540 495 16 M20 22 465 2 22
PN 10 565 515 16 M24 26 482 2 26
PN 16 580 525 16 M27 30 490 2 32
PN 25 620 550 16 M33 36 505 2 40
PN 40 660 585 16 M36 39 535 2 50
PN 64 670 585 16 M39 42 535 2 60
PN 100 715 620 16 M45 48 535 2 78

ANSI

Class 125 / 150 23 1/2 (597) 21 1/4 (540) 16 1 (25) 1 1/8 (29) 18 1/2 (470) 1/16 (2) 1 7/16 (37)
Class 300 25 1/2 (648) 22 1/2 (572) 20 1 1/4 (32) 1 3/8 (35) 18 1/2 (470) 1/16 (2) 2 1/4 (57)
Class 600 27 (686) 23 3/4 (603) 20 1 1/2 (38) 1 5/8 (41) 18 1/2 (470) 1/4 (6) 3 (76)
Class 900 27 3/4 (705) 24 1/4 (616) 20 1 5/8 (41) 1 3/4 (44) 18 1/2 (470) 1/4 (6) 3 1/2 (89)
Class 1500 32 1/2 (826) 27 3/4 (705) 16 2 1/2 (64) 2 5/8 (67) 18 1/2 (470) 1/4 (6) 5 3/4 (146)

BS 10

Table A 22 3/4 (578) 20 1/2 (521) 12 7/8 (22) 1 (25) - - -
Table D 22 3/4 (578) 20 1/2 (521) 12 7/8 (22) 1 (25) - - 1 (25)
Table E 22 3/4 (578) 20 1/2 (521) 12 7/8 (22) 1 (25) - - 1 (25)
Table F 24 (610) 21 3/4 (552) 20 1 (25) 1 1/8 (29) - 1 1/4 (32)
Table H 24 (610) 21 3/4 (552) 20 1 (25) 1 1/8 (29) 19 (483) 1/16 (2) 1 3/4 (44)