喷泉水景设备-调压阀(一片式)尺寸介绍
DN
6
10
15
20
25
32
40
50
65
80
G
1/4"
3/8"
1/2"
3/4"
1"
11/4"
1 1/2"
2"
2 1/2"
3"
L
56
60
71
78
96
101
120
B
4
8
9.5
12.5
16