Nominal pipe
size DN (in.)

Outside Diameter
at Bevel

Length

Redius of Fillet

Diameter of Lap

　
A Type

B Type

D

L

R

G

1/2

21.3

50.8

3.0

0.8

35.0

3/4

26.7

50.8

3.0

0.8

42.9

1

33.4

50.8

3.0

0.8

50.8

11/4

42.2

50.8

4.8

0.8

63.5

11/2

48.3

50.8

6.4

0.8

73.2

2

60.3

63.5

7.9

0.8

91.9

21/2

73.0

63.5

7.9

0.8

104.6

3

88.9

63.5

9.6

0.8

127.0

31/2

101.6

76.2

9.6

0.8

139.7

4

114.3

76.2

11.2

0.8

157.2

5

141.3

76.2

11.2

1.6

185.7

6

168.3

88.9

12.7

1.6

215.9

8

219.1

101.6

12.7

1.6

269.7

10

273.1

127.0

12.7

1.6

323.9

12

323.9

152.4

12.7

1.6

381.0

14

355.6

152.4

12.7

1.6

412.8

16

406.4

152.4

12.7

1.6

469.9

18

457.2

152.4

12.7

1.6

533.4

20

508.0

152.4

12.7

1.6

584.2

24

609.6

152.4

12.7

1.6

692.2

  NOTE：
  1、THE DIAMETER OF LAP (T) CAN NOT BE SMALLER THAN NOMINAL PIPE SIZE
  2、ACCORDING TO THE CLIENTS' REQUIREMENT, THE LAP SURFACE CAN BE MADE WITH CONCENTRIC INDENT SHAFT OR THREADED SHAFT 
  3、FIT TO sch40 OR THINNER STAINLESS STEEL PIPE TO JOINT
  4、JOINT TO THE FLANGE EDGE WHICH PRESCRIBE IN ANSI B16.5 
  5、PLEADE NOTE CLEAR THE L OR R , IF THERE ARE PECULIAR REQUIREMENTS