三通

1″

33.5

25.4

11/4″

38.1

32.0

11/2″

48.5

33.1

2″

60.5

50.8

21/2″

83.5

63.5

3″

88.5

76.2

31/2″

103.5

89.0

4″

127.0

101.6

5″

190.6

133.0

6″

228.6

169.0