Nominal pipe size 

Outside Diameter 
at Bevel 

Center to End

Center to Center

Back to Faces

45°
Elbows

90°Elbows

180°Return

H

        F

       P

       K

DN

INCH

Series A

Series B

 
LR

LR

SR

LR

SR

LR

SR

15

1/2

21.3

18

16

38

-

76

-

48

-

20

3/4

26.9

25

16

38

-

76

-

51

-

25

1

33.7

32

16

38

25

76

51

56

41

32

11/4

42.4

38

20

48

32

95

64

70

52

40

11/2

48.3

45

24

57

38

114

76

83

62

50

2

60.3

57

32

76

51

152

102

106

81

65

21/2

76.1(73)

76

40

95

64

191

127

132

100

80

3

88.9

89

47

114

76

229

152

159

121

90

31/2

101.6

-

55

133

89

267

178

184

140

100

4

114.3

108

63

152

102

305

203

210

159

125

5

139.7

133

79

190

127

381

254

262

197

150

6

168.3

159

95

229

152

457

305

313

237

200

8

219.1

219

126

305

203

610

406

414

313

250

10

273.0

273

158

381

254

762

508

518

391

300

12

323.9

325

189

457

305

914

610

619

467

350

14

355.6

377

221

533

356

1067

711

711

533

400

16

406.4

426

253

610

406

1219

813

813

610

450

18

457.2

478

284

686

457

1372

914

914

686

500

20

508.0

529

316

762

508

1524

1016

1016

762

550

22

559

-

347

838

559

  NOTE：1)、Do not use the figures in the parenthesis as far as possible. 
           2)、please first select A series.


         

600

24

610

630

379

914

610

650

26

660

-

410

991

660

700

28

711

720

442

1067

711

750

30

762

-

473

1143

762

800

32

813

820

505

1219

813

850

34

864

-

537

1295

864

900

36

914

920

568

1372

914

950

38

965

-

600

1448

965

1000

40

1016

1020

631

1524

1016

1050

42

1067

-

663

1600

1067

1100

44

1118

1120

694

1676

1118

1150

46

1168

-

726

1753

1168

1200

48

1220

1220

758

1829

1219