H46-1.0-DN50,H46-1.0-DN65,H46-1.0-DN80,H46-1.0-DN100,对夹双瓣旋启式止回阀
20560
17222
3
1


700
28
0.7
23919
27985
23441
4
1


750
30
0.7
27458
32126
26909
4
1


800
32
0.7
31241
36552
3

01/22 09:44