Welding Neck Flange

1.Material:304,316,316L,310,321
2.Size:1/2"-24"
3.Pressure: 0.6Mpa-32Mpa 150BL-600BL, PN0.25-PN42.0

Product Details

ANSI B16.5 Welding Neck Flange

ANSI,ASME,ASA Class 150/300/600


Welding Neck Flange drawing Welding Neck Flange picture

Dimensions & Approximates/Flange Weight

Welding Neck Flange RF  ANSI,ASME,SAS,B16.5 150LB/SQ.IN.

Φ

D

b

g

m

a

J*

h

k

Holes

I

Kg.

1/2”

88.9

11.1

34.9

30.2

21.3

15.7

47.6

60.3

4

15.9

0.500

3/4”

98.4

12.7

42.9

38.1

26.7

20.8

52.4

69.8

4

15.9

0.700

1”

107.9

14.3

50.9

49.2

33.5

26.7

55.6

79.4

4

15.9

1.100

1 1/4”

117.9

15.9

63.5

58.8

42.2

35.1

57.1

88.9

4

15.9

1.500

1 1/2”

127.0

17.5

73.0

65.1

48.3

40.9

61.9

98.4

4

15.9

1.800

2”

152.4

19.0

92.1

77.8

60.3

52.6

63.5

120.6

4

19.0

2.700

2 1/2”

177.8

22.2

104.8

90.5

73.1

62.7

69.8

139.7

4

19.0

4.400

3”

190.5

23.8

127.0

107.9

88.9

78.0

69.8

152.4

4

19.0

5.200

3 1/2”

215.9

23.8

139.7

122.2

101.6

90.2

71.4

177.8

8

19.0

6.400

4”

228.6

23.8

157.2

134.9

114.3

102.4

76.2

190.5

8

19.0

7.500

5”

254.0

23.8

185.7

163.5

141.3

128.3

88.9

215.9

8

22.2

9.200

6”

279.4

25.4

215.9

192.1

168.4

154.2

88.9

241.3

8

22.2

11.000

8”

342.9

28.6

269.9

246.1

219.1

202.7

101.6

298.4

8

22.2

18.300

10”

406.4

30.2

323.8

304.8

273.0

254.5

101.6

361.9

12

25.4

25.000

12”

482.6

31.7

381.0

365.1

323.8

304.8

114.3

431.8

12

25.4

39.000

14”

533.4

34.9

421.7

400.0

355.6

336.5

127.0

476.2

12

28.6

51.000

16”

596.9

36.5

469.9

457.2

406.4

387.3

127.0

539.7

16

28.6

60.000

18”

635.0

39.7

533.4

504.8

457.2

438.1

139.7

577.8

16

31.7

71.000

20”

698.5

42.9

584.2

558.8

508.0

488.9

144.5

635.0

20

31.7

88.000

22”

749.3

46.0

641.2

609.6

558.8

558.3

149.2

692.1

20

34.9

102.000

24”

812.8

47.6

692.1

663.6

609.6

609.8

152.4

749.3

20

34.9

119.000

*

The data “J ”corresponds to STD schedule


Welding Neck Flange RF ANSI,ASME,SAS,B16.5   300 LB/SQ.IN.

Φ

D

b

g

m

a

J

h

k

Holes

I

Kg.

1/2”

95.2

14.3

34.9

38.1

21.3

15.7

52.4

66.7

4

15.9

0.900

3/4”

117.5

15.9

42.9

47.6

26.7

20.8

57.1

82.5

4

19.0

1.500

1”

123.8

17.5

50.9

54.0

33.5

26.7

61.9

88.9

4

19.0

1.900

1 1/4”

133.3

19.0

63.5

63.5

42.2

35.1

65.1

98.4

4

19.0

2.600

1 1/2”

155.6

20.6

73.0

69.8

48.3

40.9

68.3

114.3

4

22.2

3.300

2”

165.1

22.2

92.1

84.1

60.3

52.6

69.8

127.0

8

19.0

3.600

2 1/2”

190.5

25.4

104.8

100.0

73.1

62.7

76.2

149.2

8

22.2

5.400

3”

209.5

28.6

127.0

117.5

88.9

78.0

79.4

168.3

8

22.2

7.400

3 1/2”

228.6

30.2

139.7

133.3

101.6

90.2

81.0

184.1

8

22.2

8.900

4”

254.0

31.7

157.2

146.0

114.3

102.4

85.7

200.0

8

22.2

11.900

5”

279.4

34.9

185.7

177.8

141.3

128.3

98.4

234.9

8

22.2

16.000

6”

317.5

36.5

215.9

206.4

168.4

154.2

98.4

269.9

12

22.2

20.200

8”

381.0

41.3

269.9

260.3

219.1

202.7

111.1

330.2

12

25.4

31.000

10”

444.5

47.6

323.8

320.7

273.0

254.5

117.5

387.3

16

28.6

44.300

12”

520.7

50.8

381.0

374.6

323.8

304.8

130.2

450.8

16

31.7

64.000

14”

584.2

54.0

421.7

425.4

355.6

336.5

142.9

514.3

20

31.7

88.000

16”

647.7

57.1

469.9

482.6

406.4

387.3

146.0

571.5

20

34.9

113.000

18”

711.2

60.3

533.4

533.4

457.2

438.1

158.7

628.6

24

34.9

134.000

20”

774.7

63.5

584.2

587.4

508.0

488.9

161.9

685.8

24

34.9

171.000

22”

838.2

66.7

641.2

641.2

558.8

539.7

165.1

742.9

24

41.3

195.000

24”

914.4

69.8

692.1

701.1

609.6

590.5

168.3

812.8

24

41.3

238.00














Welding Neck Flange RF   ANSI,ASME,SAS,B16.5 600LB/SQ.IN.

Φ

D

b

g

m

a

J

h

k

Holes

I

Kg.

1/2”

95.2

14.3

34.9

38.1

21.3

15.7

52.4

66.7

4

15.9

0.900

3/4”

117.5

15.9

42.9

47.6

26.7

20.9

57.1

82.5

4

19.0

1.500

1”

123.8

17.5

50.8

54.0

33.5

26.7

61.9

88.9

4

19.0

1.900

1 1/4”

133.3

20.6

63.5

63.5

42.2

35.1

66.7

98.4

4

19.0

2.600

1 1/2”

155.6

22.2

73.0

69.8

48.3

40.9

69.8

114.3

4

22.2

3.300

2”

165.1

25.4

92.1

84.1

60.3

52.6

73.0

127.0

8

19.0

4.700

2 1/2”

190.5

28.6

104.8

100.0

73.1

62.7

79.4

149.2

8

22.2

6.500

3”

209.5

31.7

127.0

117.5

88.9

78.0

82.5

168.3

8

22.2

8.700

3 1/2”

228.6

34.9

139.7

133.3

101.6

90.2

85.7

184.1

8

25.4

11.200

4”

273.0

38.1

157.2

152.4

114.3

102.4

101.6

215.9

8

25.4

18.100

5”

330.2

44.4

185.7

188.9

141.2

128.2

114.3

266.7

8

28.6

30.500

6”

355.6

47.6

215.9

222.2

168.4

154.2

117.5

292.1

12

28.6

36.200

8”

419.1

55.6

269.9

273.0

219.1

202.7

133.3

349.2

12

31.7

56.500

10”

508.0

53.5

323.8

342.9

273.0

254.5

152.4

431.8

16

34.9

91.000

12”

558.8

66.7

381.0

400.0

323.8

304.8

155.6

488.9

20

34.9

105.000

14”

603.2

69.8

421.7

431.8

355.6

*

165.1

527.0

20

38.1

125.000

16”

685.8

76.2

469.9

495.3

406.4

177.8

603.2

20

41.3

178.000

18”

742.9

82.5

533.4

546.1

457.2

184.1

654.0

20

44.4

261.000

20”

812.8

88.9

584.2

609.6

508.0

190.5

723.9

24

44.4

268.000

22”

869.9

95.2

641.2

666.7

558.8

196.8

777.9

24

47.6

328.000

24”

939.8

101.6

692.1

717.5

609.6

203.2

838.2

24

50.8

380.000

*

The data “J” corresponds to   the STD schedule of flanges

To be specified by costomer


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