DINGSHENG PIPE INDUSTRY

CLASS E RING FLANGE

AWWA C207 CLASS E RING FLANGE
275 Psi

CLASS E RING FLANGE

Flange Dimensions & Approximate Masses

Nom Size

 OD

Thickness

 Bore

Drilling

Weight

Slip-On

Blind

Bolt  Circle

Hole  Dia

No. Holes

Slip-on

Blind

A

T

T

B

C

4

9.00

1.125

1.125

4.57

7.50

0.750

8

14

20

5

10.00

1.188

1.188

5.66

8.50

0.875

8

16

26

6

11.00

1.313

1.313

6.72

9.50

0.875

8

20

35

8

13.50

1.500

1.500

8.72

11.75

0.875

8

33

61

10

16.00

1.563

1.563

10.88

14.25

1.000

12

44

89

12

19.00

1.750

1.750

12.88

17.00

1.000

12

71

141

14

21.00

1.875

1.875

14.19

18.75

1.125

12

94

184

16

23.50

2.000

2.000

16.19

21.25

1.125

16

120

246

18

25.00

2.125

2.125

18.19

22.75

1.250

16

127

296

20

27.50

2.375

2.375

20.19

25.00

1.250

20

168

400

22

29.50

2.500

2.500

22.19

27.25

1.375

20

189

484

24

32.00

2.625

2.625

24.19

29.50

1.375

20

234

598

26

34.25

2.750

2.750

26.19

31.75

1.375

24

270

718

28

36.50

2.750

2.750

28.19

34.00

1.375

28

297

815

30

38.75

2.875

2.875

30.19

36.00

1.375

28

344

961

32

41.75

3.000

3.000

32.19

38.50

1.625

28

422

1163

34

43.75

3.000

3.050

34.19

40.50

1.625

32

441

1299

36

46.00

3.125

3.209

36.19

42.75

1.625

32

502

1511

38

48.75

3.125

3.394

38.19

45.25

1.625

32

580

1795

40

50.75

3.250

3.533

40.19

47.25

1.625

36

626

2025

42

53.00

3.375

3.695

42.19

49.50

1.625

36

701

2309

44

55.25

3.375

3.857

44.19

51.75

1.625

40

747

2715

46

57.25

3.438

3.997

46.19

53.75

1.625

40

794

2813

48

59.50

3.500

4.159

48.19

56.00

1.625

44

858

3276

50

61.75

3.500

4.327

50.19

58.25

1.875

44

887

3671

52

64.00

3.625

4.489

52.19

60.50

1.875

44

982

4091

54

66.25

3.750

4.651

54.19

62.75

1.875

44

1083

4542

60

73.00

3.875

5.116

60.19

69.25

1.875

52

1313

6066

66

80.00

4.250

5.601

66.19

76.00

1.875

52

1736

7976

72

86.50

4.375

6.066

72.19

82.50

1.875

60

2005

10099

78

93.00

4.750

……..

78.19

89.00

2.125

64

2374

……..

84

99.75

4.750

……..

84.19

95.50

2.125

64

2719

……..

90

106.50

5.125

……..

90.19

102.00

2.438

68

3197

……..

96

113.25

5.125

……..

96.19

108.50

2.438

68

3613

……..

102

120.00

5.500

……..

102.19

114.50

2.688

72

4206

……..

108

126.75

5.500

……..

108.19

120.75

2.688

72

4700

……..

114

133.50

5.875

……..

114.19

126.75

2.938

76

5395

……..

120

140.25

5.875

……..

120.19

132.75

2.938

76

5972

……..

126

147.00

6.250

……..

126.19

139.25

3.188

80

6775

……..

132

153.75

6.250

……..

132.19

145.75

3.188

80

7442

……..

138

160.50

6.750

……..

138.19

152.00

3.438

84

8517

……..

144

167.25

6.750

……..

144.19

158.25

3.438

84

9295

……..

Dimensions are in inches.  Weights are in pounds.

Note:  *Pressure rating at atmospheric temperature is 275 psi.
These flanges have the same OD and drilling as ANSI/ASME B16.1 class 125 cast-iron flanges.  In sizes 24in. and smaller, they also match ANSI/ASME B16.5 150-psi standard for steel flanges.

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. Find More Requirements In Flanges Market.