Flanges and Fitting Technical Handbook 2016

O
Flange
O
L
1 2 3 4 5 6 7 8 9
Drilling [ (3), (4) ] Length of Stud Bolts [ (1), (5) ]
L
Nominal
Pipe Size
1/2
3/4
1
1 1/4
1 1/2
Outside
Diameter of
Flange
O
Diameter
of
Bolt
Circle
Diameter
of
Bolt
Holes
Number
of
Bolts
Diameter
of
Bolts
Use Class 1500 dimensions in these sizes.
0.25 in.
Raised
Face
Male and
Female; also
Tonque
and
Groove
Ring
Joint
2
2 1/2
3
4
9.50
11.50
7,50
9,25
1,00
1,25
8
8
7/8
1 1/8
5,75
6,75
5,50
6,50
5,75
6,75
5
6
8
10
12
13.75
15.00
18.50
21.50
24.00
11,00
12,50
15,50
18,50
21,00
1,38
1,25
1,50
1,50
1,50
8
12
12
16
20
11/4
11/8
13/8
13/8
13/8
7,50
7,50
8,75
9,25
10,00
7,25
7,25
8,50
9,00
9,75
7,50
7,75
8,75
9,25
10,00
14
16
18
20
24
25.25
27.75
31.00
33.75
41.00
22,00
24,25
27,00
29,50
35,50
1,62
1,75
2,00
2,12
2,62
20
20
20
20
20
11/2
15/8
17/8
2
2 1/2
10,75
11,25
12,75
13,75
17,25
10,50
11,00
12,50
13,50
17,00
11,00
11,50
13,25
14,25
18,00