Richards Thermocouple Cat17 Brn
FLANGE TABLE
Manufacturing, Engineering and Sales Since 1938
Phone: 617.527.4385 Fax: 617.964.3746 Email: sales@asrichards.com
Flange Table
ANSI Class 150
Nominal Pipe Size
1/2
3/4
1
1 1/2
2
2 1/2
3
4
6
8
10
Flange Diameter Raised Face Diameter Flange thickness, min. Bolt circle diameter Number of bolts Bolt hole diameter
3.50 1.38 0.44 2.38 4 0.62
3.88 1.69 0.50 2.75 4 0.62
4.25 2.00 0.56 3.12 4 0.62
5.00 2.88 0.69 3.88 4 0.62
6.00 3.62 0.75 4.75 4 0.75
7.00 4.12 0.88 5.50 4 0.75
7.50 5.00 0.94 6.00 4 0.75
9.00 6.19 0.94 7.50 8 0.75
11.00 8.50 1.00 9.50 8 0.88
13.50 10.62 1.12 11.75 8 0.88
16.00 12.75 1.19 14.25 12 1.00
ANSI Class 300
Nominal Pipe Size
1/2
3/4
1
1 1/2
2
2 1/2
3
4
6
8
10
Flange Diameter Raised Face Diameter Flange thickness, min. Bolt circle diameter Number of bolts Bolt hole diameter
3.75 1.38 0.56 2.62 4 0.62
4.62 1.69 0.62 3.25 4 0.75
4.88 2.00 0.69 3.50 4 0.75
6.12 2.88 0.81 4.50 4 0.88
6.50 3.62 0.88 5.00 8 0.75
7.50 4.12 1.00 5.88 8 0.88
8.25 5.00 1.12 6.62 8 0.88
10.00 6.19 1.25 7.88 8 0.88
12.50 8.50 1.44 10.62 12 0.88
15.00 10.62 1.62 13.00 12 1.00
17.50 12.75 1.88 15.25 16 1.12
ANSI Class 600
Nominal Pipe Size
1/2
3/4
1
1 1/2
2
2 1/2
3
4
6
8
10
Flange Diameter Raised Face Diameter Flange thickness, min. Bolt circle diameter Number of bolts Bolt hole diameter
3.75 1.38 0.56 2.62 4 0.62
4.62 1.69 0.62 3.25 4 0.75
4.88 2.00 0.69 3.50 4 0.75
6.12 2.88 0.88 4.50 4 0.88
6.50 3.62 1.00 5.00 8 0.75
7.50 4.12 1.12 5.88 8 0.88
8.25 5.00 1.12 6.62 8 0.88
10.75 6.19 1.50 8.50 8 1.00
14.00 8.50 1.88 11.50 12 1.12
16.50 10.62 2.19 13.75 12 1.25
20.00 12.75 2.50 17.00 16 1.38
ANSI Class 900
Nominal Pipe Size
1/2
3/4
1
1 1/2
2
2 1/2
3
4
6
8
10
Flange Diameter Raised Face Diameter Flange thickness, min. Bolt circle diameter Number of bolts Bolt hole diameter
4.75 1.38 0.88 3.25 4 0.88
5.12 1.69 1.00 3.50 4 0.88
5.88 2.00 1.12 4.00 4 1.00
7.00 2.88 1.25 4.88 4 1.12
8.50 3.62 1.50 6.50 8 1.00
9.62 4.12 1.62 7.50 8 1.12
9.50 5.00 1.50 7.50 8 1.12
11.50 6.19 1.75 9.25 8 1.25
15.00 8.50 2.19 12.50 12 1.25
18.50 10.62 2.50 15.50 12 1.50
21.50 12.75 2.75 18.50 16 1.50
ANSI Class 1500
Nominal Pipe Size
1/2
3/4
1
1 1/2
2
2 1/2
3
4
6
8
10
Flange Diameter Raised Face Diameter Flange thickness, min. Bolt circle diameter Number of bolts Bolt hole diameter
4.75 1.38 0.88 3.25 4 0.88
5.12 1.69 1.00 3.50 4 0.88
5.88 2.00 1.12 4.00 4 1.00
7.00 2.88 1.25 4.88 4 1.12
8.50 3.62 1.50 6.50 8 1.00
9.62 4.12 1.62 7.50 8 1.12
10.50 5.00 1.88 8.00 8 1.25
12.50 6.19 2.12 9.50 8 1.38
15.50 8.50 3.25 12.50 12 1.50
19.00 10.62 3.62 15.50 12 1.75
23.00 12.75 4.25 19.00 12 2.00
ANSI Class 2500
Nominal Pipe Size
1/2
3/4
1
1 1/2
2
2 1/2
3
4
6
8
10
Flange Diameter Raised Face Diameter Flange thickness, min. Bolt circle diameter Number of bolts Bolt hole diameter
5.25 1.38 1.19 3.50 4 0.88
5.50 1.69 1.25 3.75 4 0.88
6.25 2.00 1.38 4.25 4 1.00
8.00 2.88 1.75 5.75 4 1.25
9.25 3.62 2.00 6.75 8 1.12
10.50 4.12 2.25 7.75 8 1.25
12.00 5.00 2.62 9.00 8 1.38
14.00 6.19 3.00 10.75 8 1.62
19.00 8.50 4.25 14.50 8 2.12
21.75 10.62 5.00 17.25 12 2.12
26.50 12.75 6.50 21.25 12 2.62
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