900# Flange dimensions

 

flange_dimensions




Thermometricscorp.com

Dimensions for Class 900 Flanges

Nom. Pipe Size (inches)

O

Q*

R

X

No. and**
Dia of
Bolt
Holes

Bolt
Circle
Dia.

YY*

H

J

Y*

B

r

YV

BB

Z

C

T

1/2

4.75

0.88

1.38

1.50

4-0.88

3.25

2.38

0.84

To Be

S
p
e
c
i
f
i
e
d

by

P
u
r
c
a
s
e
r

1.25

0.88

0.12

1.25

0.90

0.93

0.88

 

3/4

5.12

1.00

1.69

1.75

4-0.88

3.50

2.75

1.05

1.38

1.09

0.12

1.38

1.11

1.14

1.00

 

1

5.88

1.12

2.00

2.06

4-1.00

4.00

2.88

1.32

1.62

1.36

0.12

1.62

1.38

1.41

1.12

 

11/4

6.25

1.12

2.50

2.50

4-1.00

4.38

2.88

1.66

1.62

1.70

0.19

1.62

1.72

1.75

1.19

 

11/2

7.00

1.25

2.88

2.75

4-1.12

4.88

3.25

1.90

1.75

1.95

0.25

1.75

1.97

1.99

1.25

 

2

8.50

1.50

3.62

4.12

8-1.00

6.50

4.00

2.38

2.25

2.44

0.31

2.25

2.46

2.50

1.50

 

21/2

9.62

1.62

4.12

4.88

8-1.12

7.50

4.12

2.88

2.50

2.94

0.31

2.50

2.97

3.00

1.88

 

3

9.50

1.50

5.00

5.00

8-1.00

7.50

4.00

3.50

2.12

3.57

0.38

2.12

3.60

3.63

1.62

 

4

11.50

1.75

6.19

6.25

8-1.25

9.25

4.50

4.50

2.75

4.57

0.44

2.75

4.60

4.63

1.88

 

5

13.75

2.00

7.31

7.50

8-1.38

11.00

5.00

5.56

3.12

5.66

0.44

3.12

5.69

5.69

2.12

 

6

15.00

2.19

8.50

9.25

12-1.25

12.50

5.50

6.63

3.38

6.72

0.50

3.38

6.75

6.75

2.25

 

8

18.5

2.50

10.62

11.75

12-1.50

15.5

6.38

8.63

4.00

8.72

0.50

4.5

8.75

8.75

2.50

 

10

21.50

2.75

12.75

14.50

16-1.50

18.50

7.25

10.75

4.25

10.88

0.50

5.00

10.92

10.88

2.81

 

12

24.00

3.12

15.00

16.50

20-1.50

21.00

7.88

12.75

4.62

12.88

0.50

5.62

12.92

12.94

3.00

 

14

25.25

3.38

16.25

17.75

20-1.62

22.00

8.38

14.00

5.12

14.14

0.50

6.12

14.18

14.19

3.25

 

16

27.75

3.50

18.50

20.00

20-1.75

24.25

8.5

16.00

5.25

16.16

0.50

6.50

16.19

16.19

3.38

 

18

31.00

4.00

21.00

22.25

20-2.00

27.00

9.00

18.00

6.00

18.18

0.50

7.50

18.20

18.19

3.50

 

20

33.75

4.25

23.00

24.50

20-2.12

29.50

9.75

20.00

6.25

20.20

0.50

8.25

20.25

20.19

3.62

 

24

41.00

5.50

27.25

29.50

20-2.62

35.50

11.50

24.00

8.00

24.25

0.50

10.50

24.25

24.19

4.00

 

 

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