15
20
25

1/2
3/4
1

25
25
38

25
25
38

4.57
3.81
4.57

32
40
50

11/4
11/2
2

38
38
38

38
38
44

4.83
5.08
5.59

65
80
90

21/2
3
31/2

38
51
64

51
64
76

7.11
7.62
8.13

100
125
150

4
5
6

64
76
89

76
89
102

8.64
9.65
10.92

200
250
300

8
10
12

102
127
152

127
152
178

12.7
12.7
12.7

350
400

14
16

165
178

191
203

12.7
12.7