Flanges and Fitting Technical Handbook 2016

O
Flange
O
L
1 2 3 4 5 6 7 8 9
Drilling [ (3), (4) ]
Length of Bolts [ (1), (5) ]
L
Nominal
Pipe Size
Outside
Diameter
of Flange
O
Diameter
of
Bolt
Circle
Diameter
of
Bolt
Holes
Number
of
Bolts
Diameter
of
Bolts
0.25 in.
Raised
Face
Male and
Female;
also
Tonque
and
Groove
Ring
Joint
1/2
3/4
1
1 1/4
1 1/2
5,25
5,50
6,25
7,25
8,00
3,50
3,75
4,25
5,12
5,75
0,88
0,88
1,00
1,12
1,25
4
4
4
4
4
3/4
3/4
7/8
1
1 1/8
4,75
5,00
5,50
6,00
6,75
4,50
4,75
5,25
5,75
6,50
4,75
5,00
5,50
6,00
6,75
2
2 1/2
3
4
9,25
10,50
12,00
14,00
6,75
7,75
9,00
10,75
1,12
1,25
1,38
1,62
8
8
8
8
1
1 1/8
1 1/4
1 1/2
7,00
7,75
8,75
10,00
6,75
7,50
8,50
9,75
7,00
8,00
9,00
10,25
5
6
8
10
12
16,50
19,00
21,75
26,50
30,00
12,75
14,50
17,25
21,25
24,38
1,88
2,12
2,12
2,62
2,88
8
8
12
12
12
1 3/4
2
2
2 1/2
2 3/4
11,75
13,50
15,00
19,25
21,25
11,50
13,25
14,75
19,00
21,00
12,25
14,00
15,50
20,00
22,00