低压铜列式止回阀 EH1231
/4
1-1/2
2


A
52
57.5
64
71.5
81.5
93.5
98.5


B
28
34
40.5
46
59.7
69.2
86.5


C
S20
S26.8
S32.6
S39.5
49.5
S54.5

01/21 21:25