ANSI B16.5 Class 300 Flange Parameters

Views : 226
Author : admin
Update time : 2025-01-07 17:36:47

ANSI B16.5 Class 300 Flange Parameters



Nom.

Pipe

Size

 

0

 

T

 

R

 

X

No.&

Dia.of

Holes

Bolt

Circle

Dia.

 

L2

 

H

 

B2

 

L

 

B

 

 

r

 

L3

 

B3

 

D

 

C

 

THr

1/2

3.75

0.56

1.38

1.5

4-0.62

2.62

2.06

0.84

0.62

0.88

0.88

0.12

0.88

0.90

0.38

0.93

0.62

3/4

4.62

0.62

1.69

1.88

4-0.75

3.25

2.25

1.05

0.82

1.00

1.09

0.12

1.00

1.11

0.44

1.14

0.62

1

4.88

0.69

2.00

2.12

4-0.75

3.50

2.44

1.32

1.05

1.06

1.36

0.12

1.06

1.38

0.50

1.41

0.69

11/4

5.25

0.75

2.50

2.50

4-0.75

3.88

2.56

1.66

1.38

1.06

1.70

0.19

1.06

1.72

0.56

1.75

0.81

11/2

6.12

0.81

2.88

2.75

4-0.88

4.50

2.69

1.90

1.61

1.19

1.95

0.25

1.19

1.97

0.62

1.99

0.88

2

6.50

0.88

3.62

3.31

8-0.75

5.00

2.75

2.38

2.07

1.31

2.44

0.31

1.31

2.46

0.69

2.50

1.12

21/2

7.50

1.00

4.12

3.94

8-0.88

5.88

3.00

2.88

2.47

1.50

2.94

0.31

1.50

2.97

0.75

3.00

1.25

3

8.25

1.12

5.00

4.62

8-0.88

6.62

3.12

3.50

3.07

1.69

3.57

0.38

1.69

3.60

0.81

3.63

1.25

31/2

9.00

1.19

5.50

5.25

8-0.88

7.25

3.19

4.00

3.55

1.75

4.07

0.38

1.75

4.10

 

4.13

1.44

4

10.00

1.25

6.19

5.75

8-0.88

7.88

3.38

4.50

4.03

1.88

4.57

0.44

1.88

4.60


4.63

1.44

5

11.00

1.38

7.31

7.00

8-0.88

9.25

3.88

5.56

5.05

2.00

5.66

0.44

2.00

5.69

 

5.69

1.69

6

12.50

1.44

8.50

8.12

12-0.88

10.62

3.88

6.63

6.07

2.06

6.72

0.50

2.06

6.75


6.75

1.81

8

15.00

1.62

10.62

10.25

12-1.00

13.00

4.38

8.63

7.98

2.44

8.72

0.50

2.44

8.75

 

8.75

2.00

10

17.50

1.88

12.75

12.62

16-1.12

15.25

4.62

10.75

10.02

2.62

10.88

0.50

3.75

10.92

 

10.88

2.19

12

20.50

2.00

15.00

14.75

16-1.25

17.75

5.12

12.75

12.00

2.88

12.88

0.50

4.00

12.92

 

12.94

2.38

14

23.00

2.12

16.25

16.75

20-1.25

20.25

5.62

14.00

13.25

3.00

14.14

0.50

4.38

14.18


14.19

2.50

16

25.50

2.25

18.50

19.00

20-1.38

22.50

5.75

16.00

15.25

3.25

16.16

0.50

4.75

16.19


16.19

2.69

18

28.00

2.38

21.00

21.00

24-1.38

24.75

6.25

18.00

17.25

3.50

18.18

0.50

5.12

18.20


18.19

2.75

20

30.50

2.50

23.00

23.12

24-1.38

27.00

6.38

20.00

19.25

3.75

20.20

0.50

5.50

20.25


20.19

2.88

22

33.00

2.63

25.25

25.25

24-1.63

29.25

6.50

22.00

21.25

4.00

22.22

0.50

5.75

22.25


22.19

3.13

24

36.00

2.75

27.25

27.62

24-1.62

32.00

6.62

24.00

23.25

4.19

24.25

0.50

6.00

24.25

 

24.19

3.25

        If you need customized pipe fittings, you can send the drawings to our email: sale@stpipefitting.cn

Related News
Read More >>
ASME B16.5 Lap Joint Flange Dimensions (150lb-2500lb) ASME B16.5 Lap Joint Flange Dimensions (150lb-2500lb)
Apr .23.2026
Loose flange flanges can be manufactured by flanging, direct machining, or welding a ring onto the flange.
ASME B16.5 Blind Flange Dimensions(150lb-2500lb) ASME B16.5 Blind Flange Dimensions(150lb-2500lb)
Apr .21.2026
ASME B16.5 Blind Flange Dimensions(150lb-2500lb)
ASME B16.5 Slip On Flange/SO Flange Dimensions ASME B16.5 Slip On Flange/SO Flange Dimensions
Apr .16.2026
ASME B16.5 Slip On Flange/SO Flange Dimensions
ASME B16.5 Weld Neck Flange/WN Flange Dimensions ASME B16.5 Weld Neck Flange/WN Flange Dimensions
Apr .14.2026
ASME B16.5 Weld Neck Flange/WN Flange Dimensions