Lap Joint Flange Class150

Pressure rating

Class 150

Standard

ASME B16.5

Carbon steel lap joint flange class150

ASTM A105, 20#

Low-temperature steel lap joint flange class150

ASTM A350 LF2, 16Mn

Pipeline steel lap joint flange class150

ASTM A694 F42 / 46 / 56 / 60 / 65

Alloy steel lap joint flange class150

ASTM A182 F11 / 12 / 5 / 9 / 91 / 92

Stainless steel lap joint flange class150

ASTM A182 F304/304L/304H, 316/316L, 310S, 317,347,904L

Duplex stainless steel lap joint flange class150

ASTM A182 F51, F53, F44

inch

inch

inch

inch

inch

inch

No. of

Holes

inch

inch

kg/pc

mm

mm

mm

mm

mm

mm

mm

mm

1/2

3.500

0.900

0.440

0.620

0.120

1.190

4

0.620

2.380

0.38

88.90

22.90

11.20

15.70

3.000

30.20

15.70

60.45

3/4

3.880

1.110

0.500

0.620

0.120

1.500

4

0.620

2.750

0.55

98.60

28.20

12.70

15.70

3.000

38.10

15.70

69.85

1

4.250

1.380

0.560

0.690

0.120

1.940

4

0.620

3.120

0.76

108.0

35.10

14.20

17.50

3.000

49.30

15.70

79.25

1¼

4.620

1.720

0.620

0.810

0.190

2.310

4

0.620

3.500

1.01

117.3

43.70

15.70

20.60

4.800

58.70

15.70

88.90

1½

5.000

1.970

0.690

0.880

0.250

2.560

4

0.620

3.880

1.30

127.0

50.00

17.50

22.40

6.400

65.00

15.70

98.60

2

6.000

2.460

0.750

1.000

0.310

3.060

4

0.750

4.750

2.03

152.4

62.5

19.10

25.40

7.900

77.70

19.10

120.7

2½

7.000

2.970

0.880

1.120

0.310

3.560

4

0.750

5.500

3.25

177.8

75.40

22.40

28.40

7.900

90.40

19.10

139.7

3

7.500

3.600

0.940

1.190

0.380

4.250

4

0.750

6.000

3.81

190.5

91.40

23.90

30.20

9.700

108.0

19.10

152.4

3½

8.500

4.100

0.940

1.250

0.380

4.810

8

0.750

7.000

4.76

215.9

104.1

23.90

31.75

9.700

122.2

19.10

177.8

4

9.000

4.600

0.940

1.310

0.440

5.310

8

0.750

7.500

5.25

228.6

116.8

23.90

33.30

11.20

134.9

19.10

190.5

5

10.00

5.690

0.940

1.440

0.440

6.440

8

0.880

8.500

6.02

254.0

114.5

23.90

36.60

11.20

163.6

22.40

215.9

6

11.00

6.750

1.000

1.560

0.500

7.560

8

0.880

9500

7.40

279.4

171.5

25.40

39.60

12.70

192.0

22.40

241.3

8

13.50

8.750

1.120

1.750

0.500

9.690

8

0.880

11.75

12.1

342.9

222.3

28.40

44.50

12.70

246.1

22.40

298.5

10

16.00

10.92

1.190

1.940

0.500

12.00

12

1.000

14.25

16.4

406.4

277.4

30.20

49.30

12.70

304.8

25.40

362.0

12

19.00

12.92

1.250

2.190

0.500

14.38

12

1.000

17.00

26.1

482.6

328.2

31.75

55.60

12.70

365.3

25.4

431.8

14

21.00

14.18

1.380

3.120

0.500

15.75

12

1.120

18.75

34.5

533.4

360.2

35.10

79.25

12.7

400.1

28.4

476.3

16

23.5

16.19

1.440

3.440

0.500

18.00

16

1.120

21.25

44.6

296.9

411.2

36.60

87.40

12.70

457.2

284

539.8

18

25.00

18.20

1.560

3.810

0.500

19.88

16

1.250

22.75

48.7

635.0

462.3

39.60

96.80

12.70

505.0

31.75

577.9

20

27.5

20.25

1.690

4.060

0.500

22.00

20

1.125

25.00

61.6

698.5

514.4

42.90

103.1

12.70

558.8

31.75

635

24

32.00

24.25

1.880

4.380

0.500

26.12

20

1.380

29.50

86.6

812.8

616.0

47.80

111.3

12.70

663.4

35.10

749.3