详细介绍
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产品材料：WCB、CF3、CF8、CF3M、CF8M
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产品规格：DN50~1200、PN10~40
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产品简介：
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H74对夹单瓣旋启式止回阀
H74 Clip-on single valve flap swing type check valve
主要尺寸 Main dimensions
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通径
DN（mm)
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L
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D1
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D
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PN1.0、1.6MPa
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PN2.5、4.0MPa
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1.0MPa
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1.6MPa
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2.5MPa
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4.0MPa
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50
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19
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19
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25
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109
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109
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109
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109
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65
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19
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19
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38
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129
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29
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129
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129
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80
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19
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19
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46
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144
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144
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144
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144
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100
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19
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19
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71.5
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164
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164
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170
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170
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125
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19
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19
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95
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194
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194
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196
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196
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150
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19
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29
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114
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220
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220
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226
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226
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200
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29
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29
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140
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275
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275
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286
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293
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250
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29
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38
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188
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330
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331
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343
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355
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300
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38
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51
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216
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380
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386
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403
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420
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350
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44
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51
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263
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440
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446
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460
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477
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400
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51
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51
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305
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491
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495
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517
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549
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450
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60
|
76
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356
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541
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558
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567
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574
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500
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64
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83
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406
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596
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620
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622
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626
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600
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70
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90
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482
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698
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732
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734
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745
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700
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80
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90
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562
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813
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804
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831
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-
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800
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90
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100
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464
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918
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912
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942
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-
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900
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90
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100
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738
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1018
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1012
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1040
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-
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1000
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100
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120
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846
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1124
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1126
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1155
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-
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