电动压力调节阀 ZDSYL-DN20,ZDSYL-DN25,ZRSYL-DN32,ZRSYL-DN40,
286
311
337
394
440
508
670
810
950


H
PN16/25
52.5
57.5
75
75
85.5
92.5
100
110
142.5
158
170
195
230


PN40
52.5
57.5

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