ANSI B16.5 Socket Weld Flange

ANSI, ASME, ASA B16.5 150lb/sq.in. SOCKET WELD FLANGE RF

Nominal Size

Outside Diam.

Thick. of Flange

Diam. of Raised Face

Diam of Hub at Base

Length Thru Hub

Diam. of Bore

Depth of Socket

No. of Holes

Diam. of Holes

Diam. of Bolts

Diam. of Bolt Circle

Approx. Weight Pounds Kg

O

C

R

X

Y

B

D

1/2"

in.

3.5

0.44

1.38

1.19

0.62

0.88

0.38

4

0.62

1/2

2.38

1

mm.

88.9

11.2

35.1

30.2

15.7

22.4

9.7

15.7

12.7

60.5

0.5

3/4"

in.

3.88

0.5

1.69

1.5

0.62

1.09

0.44

4

0.62

1/2

2.75

2

mm.

98.6

12.7

42.9

38.1

15.7

27.7

11.2

15.7

12.7

69.9

1

1"

in.

4.25

0.56

2

1.94

0.69

1.36

0.5

4

0.62

1/2

3.12

2

mm.

108

14.2

50.8

49.3

17.5

34.5

12.7

15.7

12.7

79.2

1

1 1/4"

in.

4.62

0.62

2.5

2.31

0.81

1.7

0.56

4

0.62

1/2

3.5

3

mm.

117.3

15.7

63.5

58.7

20.6

43.2

14.2

15.7

12.7

88.9

1

1 1/2"

in.

5

0.69

2.88

2.56

0.88

1.95

0.62

4

0.62

1/2

3.88

3

mm.

127

17.5

73.2

65

22.4

49.5

15.7

15.7

12.7

98.6

1

2"

in.

6

0.75

3.62

3.06

1

2.44

0.69

4

0.75

5/8

4.75

5

mm.

152.4

19.1

91.9

77.7

25.4

62

17.5

19.1

15.9

120.7

2

2 1/2"

in.

7

0.88

4.12

3.56

1.12

2.94

0.75

4

0.75

5/8

5.5

7

mm.

177.8

22.4

104.6

90.4

28.4

74.7

19.1

19.1

15.9

139.7

3

3"

in.

7.5

0.94

5

4.25

1.19

3.57

0.81

4

0.75

5/8

6

8

mm.

190.5

23.9

127

108

30.2

90.7

20.6

19.1

15.9

152.4

4

3 1/2"

in.

8.5

0.94

5.5

4.81

1.25

4.07

8

0.75

5/8

7

11

mm.

215.9

23.9

139.7

122.2

31.8

103.4

19.1

15.9

177.8

5

4"

in.

9

0.94

6.19

5.31

1.31

4.57

8

0.75

5/8

7.5

13

mm.

228.6

23.9

157.2

134.9

33.3

116.1

19.1

15.9

190.5

6

5"

in.

10

0.94

7.31

6.44

1.44

5.66

8

0.88

3/4

8.5

15

mm.

254

23.9

185.7

163.6

36.6

143.8

22.4

19.1

215.9

7

6"

in.

11

1

8.5

7.56

1.56

6.72

8

0.88

3/4

9.5

19

mm.

279.4

25.4

215.9

192

39.6

170.7

22.4

19.1

241.3

9

8"

in.

13.5

1.12

10.62

9.69

1.75

8.72

8

0.88

3/4

11.75

30

mm.

342.9

28.4

269.7

246.1

44.5

221.5

22.4

19.1

298.5

14

10"

in.

16

1.19

12.75

12

1.94

10.88

12

1

7/8

14.25

43

mm.

406.4

30.2

323.9

304.8

49.3

276.4

25.4

22.2

362

20

12"

in.

19

1.25

15

14.38

2.19

12.88

12

1

7/8

17

64

mm.

482.6

31.8

381

365.3

55.6

327.2

25.4

22.2

431.8

29

14"

in.

21

1.38

16.25

15.75

2.25

14.14

12

1.12

1

18.75

90

mm.

533.4

35.1

412.8

400.1

57.2

359.2

28.4

25.4

476.3

41

16"

in.

23.5

1.44

18.5

18

2.5

16.16

16

1.12

1

21.25

98

mm.

596.9

36.6

469.9

457.2

63.5

410.5

28.4

25.4

539.8

44

18"

in.

25

1.56

21

19.88

2.69

18.18

16

1.25

1  1/8

22.75

130

mm.

635

39.6

533.4

505

68.3

461.8

31.8

28.6

577.9

59

20"

in.

27.5

1.69

23

22

2.88

20.2

20

1.25

1 1/8

25

165

mm.

698.5

42.9

584.2

558.8

73.2

513.1

31.8

28.6

635

75

24"

in.

32

1.88

27.25

26.12

3.25

24.25

20

1.38

1  1/4

29.5

220

mm.

812.8

47.8

692.2

663.4

82.6

616

35.1

31.8

749.3

100

ANSI, ASME, ASA B16.5 300lb/sq.in. SOCKET WELD FLANGE RF

Nominal Size

Outside Diam.

Thick. of Flange

Diam. of Raised Face

Diam of Hub at Base

Length Thru Hub

Diam. of Bore

Depth of Socket

No. of Holes

Diam. of Holes

Diam. of Bolts

Diam. of Bolt Circle

Approx. Weight Pounds Kg

O

C

R

X

Y

B

D

1/2"

in.

3.75

0.56

1.38

1.5

0.88

0.88

0.38

4

0.62

1/2

2.62

2

mm.

95.3

14.2

35.1

38.1

22.4

22.4

9.7

15.7

12.7

66.5

1

3/4"

in.

4.62

0.62

1.69

1.88

1

1.09

0.44

4

0.75

5/8

3.25

3

mm.

117.3

15.7

42.9

47.8

25.4

27.7

11.2

19.1

15.9

82.6

1

1"

in.

4.88

0.69

2

2.12

1.06

1.36

0.5

4

0.75

5/8

3.5

3

mm.

124

17.5

50.8

53.8

26.9

34.5

12.7

19.1

15.9

88.9

1

1 1/4"

in.

5.25

0.75

2.5

2.5

1.06

1.7

0.56

4

0.75

5/8

3.88

4

mm.

133.4

19.1

63.5

63.5

26.9

43.2

14.2

19.1

15.9

98.6

2

1 1/2"

in.

6.12

0.81

2.88

2.75

1.19

1.95

0.62

4

0.88

3/4

4.5

6

mm.

155.4

20.6

73.2

69.9

30.2

49.5

15.7

22.4

19.1

114.3

3

2"

in.

6.5

0.88

3.62

3.31

1.31

2.44

0.69

8

0.75

5/8

5

7

mm.

165.1

22.4

91.9

84.1

33.3

62

17.5

19.1

15.9

127

3

2 1/2"

in.

7.5

1

4.12

3.94

1.5

2.94

0.75

8

0.88

3/4

5.88

10

mm.

190.5

25.4

104.6

100.1

38.1

74.7

19.1

22.4

19.1

149.4

5

3"

in.

8.25

1.12

5

4.62

1.69

3.57

0.81

8

0.88

3/4

6.62

13

mm.

209.6

28.4

127

117.3

42.9

90.7

20.6

22.4

19.1

168.1

6

3 1/2"

in.

9

1.19

5.5

5.25

1.75

4.07

8

0.88

3/4

7.25

17

mm.

228.6

30.2

139.7

133.4

44.5

103.4

22.4

19.1

184.2

8

4"

in.

10

1.25

6.19

5.75

1.88

4.57

8

0.88

3/4

7.88

22

mm.

254

31.8

157.2

146.1

47.8

116.1

22.4

19.1

200.2

10

5"

in.

11

1.38

7.31

7

2

5.66

8

0.88

3/4

9.25

28

mm.

279.4

35.1

185.7

177.8

50.8

143.8

22.4

19.1

235

13

6"

in.

12.5

1.44

8.5

8.12

2.06

6.72

12

0.88

3/4

10.62

39

mm.

317.5

36.6

215.9

206.2

52.3

170.7

22.4

19.1

269.7

18

8"

in.

15

1.62

10.62

10.25

2.44

8.72

12

1

7/8

13

58

mm.

381

41.1

269.7

260.4

62

221.5

25.4

22.2

330.2

26

10"

in.

17.5

1.88

12.75

12.62

2.62

10.88

16

1.12

1

15.25

81

mm.

444.5

47.8

323.9

320.5

66.5

276.4

28.4

25.4

387.4

37

12"

in.

20.5

2

15

14.75

2.88

12.88

16

1.25

1 1/8

17.75

115

mm.

520.7

50.8

381

374.7

73.2

327.2

31.8

28.6

450.9

52

14"

in.

23

2.12

16.25

16.75

3

14.14

20

1.25

1  1/8

20.25

165

mm.

584.2

53.8

412.8

425.5

76.2

359.2

31.8

28.6

514.4

75

16"

in.

25.5

2.25

18.5

19

3.25

16.16

20

1.38

1 1/4

22.5

190

mm.

647.7

57.2

469.9

482.6

82.6

410.5

35.1

31.8

571.5

86

18"

in.

28

2.38

21

21

3.5

18.18

24

1.38

1  1/4

24.75

250

mm.

711.2

60.5

533.4

533.4

88.9

461.8

35.1

31.8

628.7

113

20"

in.

30.5

2.5

23

23.12

3.75

20.2

24

1.38

1 1/4

27

315

mm.

774.7

63.5

584.2

587.2

95.3

513.1

35.1

31.8

685.8

143

24"

in.

36

2.75

27.25

27.62

4.19

24.25

24

1.62

1  1/2

32

475

mm.

914.4

69.9

692.2

701.5

106.4

616

41.1

38.1

812.8

215

ANSI, ASME, ASA B16.5 300lb/sq.in. SOCKET WELD FLANGE RF

Nominal Size

Outside Diam.

Thick. of Flange

Diam. of Raised Face

Diam of Hub at Base

Length Thru Hub

Diam. of Bore

Depth of Socket

No. of Holes

Diam. of Holes

Diam. of Bolts

Diam. of Bolt Circle

Approx. Weight Pounds Kg

O

C

R

X

Y

B

D

1/2"

in.

3.75

0.56

1.38

1.5

0.88

0.88

0.38

4

0.62

1/2

2.62

2

mm.

95.3

14.2

35.1

38.1

22.4

22.4

9.7

15.7

12.7

66.5

1

3/4"

in.

4.62

0.62

1.69

1.88

1

1.09

0.44

4

0.75

5/8

3.25

3

mm.

117.3

15.7

42.9

47.8

25.4

27.7

11.2

19.1

15.9

82.6

1

1"

in.

4.88

0.69

2

2.12

1.06

1.36

0.5

4

0.75

5/8

3.5

3

mm.

124

17.5

50.8

53.8

26.9

34.5

12.7

19.1

15.9

88.9

1

1 1/4"

in.

5.25

0.75

2.5

2.5

1.06

1.7

0.56

4

0.75

5/8

3.88

4

mm.

133.4

19.1

63.5

63.5

26.9

43.2

14.2

19.1

15.9

98.6

2

1 1/2"

in.

6.12

0.81

2.88

2.75

1.19

1.95

0.62

4

0.88

3/4

4.5

6

mm.

155.4

20.6

73.2

69.9

30.2

49.5

15.7

22.4

19.1

114.3

3

2"

in.

6.5

0.88

3.62

3.31

1.31

2.44

0.69

8

0.75

5/8

5

7

mm.

165.1

22.4

91.9

84.1

33.3

62

17.5

19.1

15.9

127

3

2 1/2"

in.

7.5

1

4.12

3.94

1.5

2.94

0.75

8

0.88

3/4

5.88

10

mm.

190.5

25.4

104.6

100.1

38.1

74.7

19.1

22.4

19.1

149.4

5

3"

in.

8.25

1.12

5

4.62

1.69

3.57

0.81

8

0.88

3/4

6.62

13

mm.

209.6

28.4

127

117.3

42.9

90.7

20.6

22.4

19.1

168.1

6

3 1/2"

in.

9

1.19

5.5

5.25

1.75

4.07

8

0.88

3/4

7.25

17

mm.

228.6

30.2

139.7

133.4

44.5

103.4

22.4

19.1

184.2

8

4"

in.

10

1.25

6.19

5.75

1.88

4.57

8

0.88

3/4

7.88

22

mm.

254

31.8

157.2

146.1

47.8

116.1

22.4

19.1

200.2

10

5"

in.

11

1.38

7.31

7

2

5.66

8

0.88

3/4

9.25

28

mm.

279.4

35.1

185.7

177.8

50.8

143.8

22.4

19.1

235

13

6"

in.

12.5

1.44

8.5

8.12

2.06

6.72

12

0.88

3/4

10.62

39

mm.

317.5

36.6

215.9

206.2

52.3

170.7

22.4

19.1

269.7

18

8"

in.

15

1.62

10.62

10.25

2.44

8.72

12

1

7/8

13

58

mm.

381

41.1

269.7

260.4

62

221.5

25.4

22.2

330.2

26

10"

in.

17.5

1.88

12.75

12.62

2.62

10.88

16

1.12

1

15.25

81

mm.

444.5

47.8

323.9

320.5

66.5

276.4

28.4

25.4

387.4

37

12"

in.

20.5

2

15

14.75

2.88

12.88

16

1.25

1 1/8

17.75

115

mm.

520.7

50.8

381

374.7

73.2

327.2

31.8

28.6

450.9

52

14"

in.

23

2.12

16.25

16.75

3

14.14

20

1.25

1  1/8

20.25

165

mm.

584.2

53.8

412.8

425.5

76.2

359.2

31.8

28.6

514.4

75

16"

in.

25.5

2.25

18.5

19

3.25

16.16

20

1.38

1 1/4

22.5

190

mm.

647.7

57.2

469.9

482.6

82.6

410.5

35.1

31.8

571.5

86

18"

in.

28

2.38

21

21

3.5

18.18

24

1.38

1  1/4

24.75

250

mm.

711.2

60.5

533.4

533.4

88.9

461.8

35.1

31.8

628.7

113

20"

in.

30.5

2.5

23

23.12

3.75

20.2

24

1.38

1 1/4

27

315

mm.

774.7

63.5

584.2

587.2

95.3

513.1

35.1

31.8

685.8

143

24"

in.

36

2.75

27.25

27.62

4.19

24.25

24

1.62

1  1/2

32

475

mm.

914.4

69.9

692.2

701.5

106.4

616

41.1

38.1

812.8

215

ANSI, ASME, ASA B16.5 300lb/sq.in. SOCKET WELD FLANGE RF

Nominal Size

Outside Diam.

Thick. of Flange

Diam. of Raised Face

Diam of Hub at Base

Length Thru Hub

Diam. of Bore

Depth of Socket

No. of Holes

Diam. of Holes

Diam. of Bolts

Diam. of Bolt Circle

Approx. Weight Pounds Kg

O

C

R

X

Y

B

D

1/2"

in.

3.75

0.56

1.38

1.5

0.88

0.88

0.38

4

0.62

1/2

2.62

2

mm.

95.3

14.2

35.1

38.1

22.4

22.4

9.7

15.7

12.7

66.5

1

3/4"

in.

4.62

0.62

1.69

1.88

1

1.09

0.44

4

0.75

5/8

3.25

3

mm.

117.3

15.7

42.9

47.8

25.4

27.7

11.2

19.1

15.9

82.6

1

1"

in.

4.88

0.69

2

2.12

1.06

1.36

0.5

4

0.75

5/8

3.5

3

mm.

124

17.5

50.8

53.8

26.9

34.5

12.7

19.1

15.9

88.9

1

1 1/4"

in.

5.25

0.75

2.5

2.5

1.06

1.7

0.56

4

0.75

5/8

3.88

4

mm.

133.4

19.1

63.5

63.5

26.9

43.2

14.2

19.1

15.9

98.6

2

1 1/2"

in.

6.12

0.81

2.88

2.75

1.19

1.95

0.62

4

0.88

3/4

4.5

6

mm.

155.4

20.6

73.2

69.9

30.2

49.5

15.7

22.4

19.1

114.3

3

2"

in.

6.5

0.88

3.62

3.31

1.31

2.44

0.69

8

0.75

5/8

5

7

mm.

165.1

22.4

91.9

84.1

33.3

62

17.5

19.1

15.9

127

3

2 1/2"

in.

7.5

1

4.12

3.94

1.5

2.94

0.75

8

0.88

3/4

5.88

10

mm.

190.5

25.4

104.6

100.1

38.1

74.7

19.1

22.4

19.1

149.4

5

3"

in.

8.25

1.12

5

4.62

1.69

3.57

0.81

8

0.88

3/4

6.62

13

mm.

209.6

28.4

127

117.3

42.9

90.7

20.6

22.4

19.1

168.1

6

3 1/2"

in.

9

1.19

5.5

5.25

1.75

4.07

8

0.88

3/4

7.25

17

mm.

228.6

30.2

139.7

133.4

44.5

103.4

22.4

19.1

184.2

8

4"

in.

10

1.25

6.19

5.75

1.88

4.57

8

0.88

3/4

7.88

22

mm.

254

31.8

157.2

146.1

47.8

116.1

22.4

19.1

200.2

10

5"

in.

11

1.38

7.31

7

2

5.66

8

0.88

3/4

9.25

28

mm.

279.4

35.1

185.7

177.8

50.8

143.8

22.4

19.1

235

13

6"

in.

12.5

1.44

8.5

8.12

2.06

6.72

12

0.88

3/4

10.62

39

mm.

317.5

36.6

215.9

206.2

52.3

170.7

22.4

19.1

269.7

18

8"

in.

15

1.62

10.62

10.25

2.44

8.72

12

1

7/8

13

58

mm.

381

41.1

269.7

260.4

62

221.5

25.4

22.2

330.2

26

10"

in.

17.5

1.88

12.75

12.62

2.62

10.88

16

1.12

1

15.25

81

mm.

444.5

47.8

323.9

320.5

66.5

276.4

28.4

25.4

387.4

37

12"

in.

20.5

2

15

14.75

2.88

12.88

16

1.25

1 1/8

17.75

115

mm.

520.7

50.8

381

374.7

73.2

327.2

31.8

28.6

450.9

52

14"

in.

23

2.12

16.25

16.75

3

14.14

20

1.25

1  1/8

20.25

165

mm.

584.2

53.8

412.8

425.5

76.2

359.2

31.8

28.6

514.4

75

16"

in.

25.5

2.25

18.5

19

3.25

16.16

20

1.38

1 1/4

22.5

190

mm.

647.7

57.2

469.9

482.6

82.6

410.5

35.1

31.8

571.5

86

18"

in.

28

2.38

21

21

3.5

18.18

24

1.38

1  1/4

24.75

250

mm.

711.2

60.5

533.4

533.4

88.9

461.8

35.1

31.8

628.7

113

20"

in.

30.5

2.5

23

23.12

3.75

20.2

24

1.38

1 1/4

27

315

mm.

774.7

63.5

584.2

587.2

95.3

513.1

35.1

31.8

685.8

143

24"

in.

36

2.75

27.25

27.62

4.19

24.25

24

1.62

1  1/2

32

475

mm.

914.4

69.9

692.2

701.5

106.4

616

41.1

38.1

812.8

215