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Class 600


NOMINAL
SIZE		 COMMON DIMENSIONS
OUTSIDE DIA.
O. 		THK.
C		 RAISED FACE DIA.
R 		FILLET RADIUS
r
1/2 3 3/4 9/16 1 3/8 1/8
3/4 4 5/8 5/8 1 11/16 1/8
1 4 7/8 11/16 2 1/8
1 1/4 5 1/4 13/16 2 1/2 3/16
1 1/2 6 1/8 7/8 2 7/8 1/4
2 6 1/2 1 3 5/8 5/16
2 1/2 7 1/2 1 1/8 4 1/8 5/16
3 8 1/4 1 1/4 5 3/8
3 1/2 9 1 3/8 5 1/2 3/8
4 10 3/4 1 1/2 6 3/16 7/16
5 13 1 3/4 7 5/16 7/16
6 14 1 7/8 8 1/2 1/2
8 16 1/2 2 3/16 10 5/8 1/2
10 20 2 1/2 12 3/4 1/2
12 22 2 5/8 15 1/2
14 23 1/4 2 3/4 16 1/4 1/2
16 27 3 18 1/2 1/2
18 29 1/4 3 1/4 21 1/2
20 32 3 1/2 23 1/2
22 34 1/4 3 3/4 25 1/4 1/2
24 37 4 27 1/4 1/2


NOMINAL
SIZE		 BORE LENGTH THROUGH HUB
Welding
Neck
Socket
B1		 Slip-on

B2		 Lap
Joint
B3		 Welding
Neck
Y1		 Slip-on
Socket
Y2		 Lap
Joint
Y3
1/2
T
O

B
E

S
P
E
C
I
F
I
E
D

B
Y

P
U
R
C
H
A
S
E
R 		0.88 0.90 2 1/16 7/8 7/8
3/4 1.09 1.11 2 1/4 1 1
1 1.36 1.38 2 7/16 1 1/16 1 1/16
1 1/4 1.70 1.72 2 5/8 1 1/8 1 1/8
1 1/2 1.95 1.97 2 3/4 1 1/4 1 1/4
2 2.44 2.46 2 7/8 1 7/16 1 7/16
2 1/2 2.94 2.97 3 1/8 1 5/8 1 5/8
3 3.57 3.60 3 1/4 1 13/16 1 13/16
3 1/2 4.07 4.10 3 3/8 1 15/16 1 15/16
4 4.57 4.60 4 2 1/8 2 1/8
5 5.66 5.69 4 1/2 2 3/8 2 3/8
6 6.72 6.75 4 5/8 2 5/8 2 5/8
8 8.72 8.75 5 1/4 3 3
10 10.88 10.92 6 3 3/8 4 3/8
12 12.88 12.92 6 1/8 3 5/8 4 5/8
14 14.14 14.18 6 1/2 3 11/16 5
16 16.16 16.19 7 4 3/16 5 1/2
18 18.18 18.20 7 1/4 4 5/8 6
20 20.20 20.25 7 1/2 5 6 1/2
22 22.22 24.25 7 3/4 5 1/4 6 7/8
24 24.25 24.25 8 5 1/2 7 1/4
Thickness and length through hub do not include 1/4¡± raised face.

FLANGES
CLASS 600, ASME B16.5



Nominal
Size		 Min. Thread
Length
T		 Depth of
Socket D		 Dia. Hub at
Bevel
A		 Hub Dia.
X		 DRILLING
- Bolt
Circle		 Dia.
Holes		 N¡ã of
Holes
1/2 0.63 3/8 0.84 1 1/2 2 5/8 5/8 4
3/4 0.63 7/16 1.05 1 7/8 3 1/4 3/4 4
1 0.69 1/2 1.32 2 1/8 3 1/2 3/4 4
1 1/4 0.81 9/16 1.66 2 1/2 3 7/8 3/4 4
1 1/2 0.88 5/8 1.90 2 3/4 4 1/2 7/8 4
2 1.13 11/16 2.38 3 5/16 5 3/4 8
2 1/2 1.25 3/4 2.88 3 15/16 5 7/8 7/8 8
3 1.38 13/16 3.50 4 5/8 6 5/8 7/8 8
3 1/2 1.56 7/8 4.00 5 1/4 7 1/4 1 8
4 1.63 15/16 4.50 6 8 1/2 1 8
5 1.88 15/16 5.56 7 7/16 10 1/2 1 1/8 12
6 2.00 1 1/16 6.63 8 3/4 11 1/2 1 1/8 12
8 2.25 1 1/4 8.63 10 3/4 13 3/4 1 1/4 16
10 2.56 1 5/16 10.75 13 1/2 17 1 3/8 20
12 2.75 1 9/16 12.75 15 3/4 19 1/4 1 3/8 20
14 2.88 1 5/8 14.00 17 20 3/4 1 1/2 20
16 3.06 1 3/4 16.00 19 1/2 23 3/4 1 5/8 20
18 3.13 1 15/16 18.00 21 1/2 25 3/4 1 3/4 24
20 3.25 2 1/8 20.00 24 28 1/2 1 3/4 24
22 - 2 3/8 22.00 26 1/4 30 5/8 1 7/8 24
24 3.63 2 1/2 24.00 28 1/4 33 2 24


































N¡ã
of
Bolts		 Dia. of Bolts
(inches)		 LENGTH Nominal Size
STUD BOLTS
.25" Raised Face Ring Joint
4 1/2 3.00 3.00 1/2
4 5/8 3.50 3.50 3/4
4 5/8 3.50 3.50 1
4 5/8 3.75 3.75 1 1/4
4 3/4 4.25 4.25 1 1/2
8 5/8 4.25 4.25 2
8 3/4 4.75 4.75 2 1/2
8 3/4 5.00 5.00 3
8 7/8 5.50 5.50 3 1/2
8 7/8 5.75 5.75 4
8 1 6.50 6.50 5
12 1 6.75 6.75 6
12 1 1/8 7.50 7.75 8
16 1 1/4 8.50 8.50 10
20 1 1/4 8.75 8.75 12
20 1 3/8 9.25 9.25 14
20 1 1/2 10.00 10.00 16
20 1 5/8 10.75 10.75 18
24 1 5/8 11.25 11.50 20
24 1 5/8 - - 22
24 1 7/8 13.00 13.25 24