连接螺纹

外径(in)

内径(in)

长度（in）

重量(Kg)

2-3/8IF

3-3/8″-3-3/4″

1-1/2″

26″

27

2-7/8IF

4-1/8″-4-1/4″

1-3/4″

28″-30″

40

3-1/2IF

4-3/4″-5-1/4″

2″

30″-31″

57

4IF

6-1/4″-6-3/4″

2-1/2″

33″-34″

110

4-1/2IF

6-3/8″-7″

2-13/16″

33″-34″

120

5-1/2FH

7″-7-1/2″

2-13/16″

33″-34″

140

6-5/8REG

8″

2-13/16″

34″

180

7-5/8REG

9-1/2″

2-13/16″

34″

220