主要外形尺寸 Materials of main parts
DN
G
L
E
B
H
W
15
1/2”
55
16
31
90
70
20
3/4”
60
18
38
96
25
1”
68
46
108
32
1 ?”
76
21.5
56
128
80
40
23
63
152
100
50
2”
93
24.5
166
