8/15/2019 600# Flange modfication check sheet
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Table 16 Dimensions of
Class
6
Flanges (Cont d)
2 3
4 5
6
7 8
9 1
11 12 13
14
15
le
n
gt
h Through Hub Minimum Bore Corner
Hub Dameter Thread Bore
Outside Beginning of
Threaded/
Length
Minimum Welding Radius of Minimum
Nomi
na
l
Diameter
Minimum
Chamfer Slip-On/ Threaded Slip-On/ Neck/
lapp
ed Co
un
terbore
Pipe of Thickness Diamet
er
Welding
Ne
ck, Socket
We
lding Flange,
Soc
ket
Mi
n
im
um
Socket Flange and Threaded
De pt
h of
Size,
Fl
ange, of Flange, of Hub,
Ah
Welding,
Lapped, Neck,
T
Welding, l apped, Welding,
Pipe, Fange, Socket,
NPS 0
t
X
[N
ote (2)]
y y y
[
No
te (3)]
8 8 8
Q
D
2 165 25.4 84 60.3 37
37
73 29 61.9 62.5 Note
4)
8
63.5
17
2 /, 190 2
8.
6 100 73.0 41 41
79 32
74.6
75.4
Note
4
)
8 76.2 19
3 210 31.8
11
7 88.9
46
46
83
35
90.7 91.4
No
te
4
) 10
92.2
21
3 /, 230
35.0
133
101.6
49 49 86 40 103.4 104 .1
Note (4)
10
104.9
4 275 38.1 152 114 .3 54 54 102 42 116.1 116.8 Note (4}
11 117.6
5
330
44.5 1
89
141.3 60 60 114 48 143.8 144.4 Note
4)
11 144.4
6 355 47.7 222 168.3 67 67 1
17 51 17
0.7 17
1.
4 Note (
4)
13
171.4
8 420
55.6 273 219.1 76 76
133
58 221
.5
22
2.
2 Note
4)
13 222.2
10
510 63.5 343 273.0 86 111 152
66
276.2 277.4 Note (4)
13 276.2
12
560 66.7 400
323.8 92 117 156 70
32
7.0 32
8.
2 Note
4
) 13 328.6
14 605 69.9 432 355.6 94
127
165 74
359.2 360.2
No
te
4
)
13
360.4
16
68
5 76.2
49
5 406.4 1
06
140 178
78
410.5 411.2 Note
4}
13
41
1.2
18 745 82.6 546 457.0 117 152 184 80 461.8 462.3
Note (4}
13
462.0
20 815 88.9 610 508.0 127 165 1
90
83
513.1 514.4 Note (4)
13
512.8
24 9
40 10
1.6 718 610.0 140 184 2
03
93 616.0 616.0 Note (4)
13
61
4.4
GENERAL NOTES:
(a)
Di
me
nsio
ns of
Tab
le 16 are in millimeter
s,
except for the diameter of the bolts and bolt holes, which
are
in in
ch units. F
or
dimensions in
in
ch units, re fer to Mandato
ry
Appendix
II,
Table 11
1
6.
b)
F
or
toleran
ce
, s
ee
section
7.
(c) For facings, see para. 6.4.
d)
Fo
r flange bolt h
ol
es
, s
ee
para. 6.5 and Ta
bl
e 15.
(
e)
For spot facing, see pa r
a. 6.
6.
(f) F
or
reducing t
hrea
ded and
sl
ip-on flanges,
se
e Table
6.
(g)
Blind flanges may be made with or without hubs at the
manufacturer s option.
(h) For reducing welding neck flang
es, se
e para. 6.8.
NOTES:
(1) This dimension is for the large end of the hub, which may be
straight or tapered. Taper shall not exceed 7 deg on threaded.
slip-on, socket-welding, and lapped flanges. Th is
dimension is defined as the diameter at the intersection between
the hub taper and back
face
of the flange.
(2} For welding e
nd
bev
el
, see par
a.
6.7.
3
) For thre
ad
of th
re
aded fla
nge
s, see
pa ra
. 6.9.
(4) To be sp
ecifi
ed by the
Pu
rchaser.
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VI
3:
,.,
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0
.....
"-'
10.83" .
