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Wenzhou CHENGJIU Flange Manufacruring Co., LTD

Tel: 0086-577-85802063
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E-mail: sales@chinjiu.cn

ANSI (ASME / ASA) B16.5 FLANGE

Socket Weld Flange

ANSI, ASME, ASA, B16.5 SOCKET WELD FLANGE

 

CLASS 150 / 300 / 600 / 1500

 

 

 

 


Flange Dimensions & Approximate Masses


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


NOTE:
(1) When these flanges are required with flat face, either the full thickness or thickness with raised face removed may be furnished.
Users are reminded that removing the raised face will make the length through hub nonstandard.
(2) This dimension is for large end of hub, which may be straight or tapered. threaded, slip‐on, socket welding, and lapped flanges. 
(3) Socket Weld Flange Bore Size SCH10, SCH20, SCH30, STD, SCH40, SCH60, SCH80, SCH100, SCH 120, SCH140, SCH160, XS.


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 600lb/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

4

mm.

124

17.5

50.8

53.8

26.9

34.5

12.7

19.1

15.9

88.9

2

1 1/4"

in.

5.25

0.81

2.5

2.5

1.12

1.7

0.56

4

0.75

5/8

3.88

5

mm.

133.4

20.6

63.5

63.5

28.4

43.2

14.2

19.1

15.9

98.6

2

1 1/2"

in.

6.12

0.88

2.88

2.75

1.25

1.95

0.62

4

0.88

3/4

4.5

7

mm.

155.4

22.4

73.2

69.9

31.8

49.5

15.7

22.4

19.1

114.3

3

2"

in.

6.5

1

3.62

3.31

1.44

2.44

0.69

8

0.75

5/8

5

9

mm.

165.1

25.4

91.9

84.1

36.6

62

17.5

19.1

15.9

127

4

2 1/2"

in.

7.5

1.12

4.12

3.94

1.62

2.94

0.75

8

0.88

3/4

5.88

13

mm.

190.5

28.4

104.6

100.1

41.1

74.7

19.1

22.4

19.1

149.4

6

3"

in.

8.25

1.25

5

4.62

1.81

3.57

0.81

8

0.88

3/4

6.62

16

mm.

209.6

31.8

127

117.3

46

90.7

20.6

22.4

19.1

168.1

7

3 1/2"

in.

9

1.38

5.5

5.25

1.94

4.07

　

8

1

7/8

7.25

21

mm.

228.6

35.1

139.7

133.4

49.3

103.4

　

25.4

22.2

184.2

10

4"

in.

10.75

1.5

6.19

6

2.12

4.57

　

8

1

7/8

8.5

37

mm.

273.1

38.1

157.2

152.4

53.8

116.1

　

25.4

22.2

215.9

17

5"

in.

13

1.75

7.31

7.44

2.38

5.66

　

8

1.12

1

10.5

63

mm.

330.2

44.5

185.7

189

60.5

143.8

　

28.4

25.4

266.7

29

6"

in.

14

1.88

8.5

8.75

2.62

6.72

　

12

1.12

1

11.5

80

mm.

355.6

47.8

215.9

222.3

66.5

170.7

　

28.4

25.4

292.1

36

8"

in.

16.5

2.19

10.62

10.75

3

8.72

　

12

1.25

1 1/8

13.75

115

mm.

419.1

55.6

269.7

273.1

76.2

221.5

　

31.8

28.6

349.3

52

10"

in.

20

2.5

12.75

13.5

3.38

10.88

　

16

1.38

1 1/4

17

170

mm.

508

63.5

323.9

342.9

85.9

276.4

　

35.1

31.8

431.8

77

12"

in.

22

2.62

15

15.75

3.62

12.88

　

20

1.38

1  1/4

19.25

200

mm.

558.8

66.5

381

400.1

91.9

327.2

　

35.1

31.8

489

91

14"

in.

23.75

2.75

16.25

17

3.69

14.14

　

20

1.5

1 3/8

20.75

230

mm.

603.3

69.9

412.8

431.8

93.7

359.2

　

38.1

34.9

527.1

104

16"

in.

27

3

18.5

19.5

4.19

16.16

　

20

1.62

1 1/2

23.75

330

mm.

685.8

76.2

469.9

495.3

106.4

410.5

　

41.1

38.1

603.3

150

18"

in.

29.25

3.25

21

21.5

4.62

18.18

　

20

1.75

1 5/8

25.75

400

mm.

743

82.6

533.4

546.1

117.3

461.8

　

44.5

41.3

654.1

181

20"

in.

32

3.5

23

24

5

20.2

　

24

1.75

1 5/8

28.5

510

mm.

812.8

88.9

584.2

609.6

127

513.1

　

44.5

41.3

723.9

231

24"

in.

37

4

27.25

28.25

5.5

24.25

　

24

2

1 7/8

33

730

mm.

939.8

101.6

692.2

717.6

139.7

616

　

50.8

47.6

838.2

331



Production Capacity & Purchase Details

 

 

1.

Supply Flange Dimension DN15 - DN2000 (1/2" - 80"), Forged Flange.

2.

Material Carbon Steel: ASTM A105, A181, A350 LF1, A350LF2, A350LF3, A36, A234 WPB, Q235B, 20#, 20Mn etc.

3.

Material Stainless Steel: ASTM A182 F304, F304L, F316, F316L, F321 etc.

4.

Flanges Anti Rust: Anti Rust Oil, Black Paint, Yellow Paint Coating, Hot Dipped Galvanized, Cold Galvanized etc.

5.

Monthly Output: 3000 tons per Month.

6.

Delivery Terms: CIF, CFR, FOB, EXW.

7.

Payment Terms: Wire Transfer (T/T), Irrevocable L/C at Sight etc.

8.

Minimum Order Quantity: 1Ton or 100Pcs.

9.

Quality Guarantee: EN10204 3.1 Certificate, Mill Certificate, Third Party Inspection, Free Replacement Service.

10.

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