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
63
74
62
2
1


65
21/2
2.4
109
128
107
2
1


80
3
2.3
172
201
169
2
1


100
4
2.0
289
338
283

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