Cat16 R2

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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