管 径
Ø
Ø1
D
D1
H
H1
H2
3/4"
25
20
55
35
33
7.5
10.5
1"
32
62
45
49
8
11.5
1-1/2"
50
40
91
64.5
12
2"
63
105
78.5
2-1/2"
75
69
135
96
73
16
21
3"
90
82
151
112
4"
110
102
178
133
22
52
36
34
92
64
106
79
56