Nominal pipe
size
 DN

Outside Diameter at Bevel

Length

Limiting Wall
Thickness for
length E

A 系列
Series A

B 系列
Series B

E

E1

15

21.3

18

25

-

-

20

26.9

25

25

-

-

25

33.7

32

38

-

-

32

42.4

38

38

-

-

40

48.3

45

38

-

-

50

60.3

57

38

44

5.5

65

76.1(73)

76

38

51

7.0

80

88.9

89

51

64

7.6

90

101.6

-

64

76

8.1

100

114.3

108

64

76

8.6

125

139.7

133

76

89

9.5

150

168.3

159

89

102

11.0

200

219.1

219

102

127

12.7

250

273.0

273

127

152

12.7

300

323.9

325

152

178

12.7

350

355.6

377

165

191

12.7

400

406.4

426

178

203

12.7

450

457.2

478

203

229

12.7

500

508.0

529

229

254

12.7

550

559

-

254

600

610

630

267

650

660

-

267

700

711

720

  267　

750

762

-

 267　

800

813

820

267

850

864

-

267

900

914

920

267

950

965

-

305

1000

1016

1020

305

1050

1067

-

305

1100

1118

1120

343

1150

1168

-

343

1200

1220

1220

343