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衬氟止回阀
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■主要零件及材料 Main parts and materials
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零件名称 Part name
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材料 Material
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阀体 Body
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铸钢Cast steel不锈钢Stainless steel、内衬Lining F4 、F46
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阀瓣 Disc
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铸钢Cast steel、不锈钢Stainless steel、衬Lining F4 、F46
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阀盖 Cover
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铸铁Cast iron、铸钢Cast steel、不锈钢Stainless steel、内衬Ling F4、F46
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垫圈 Washer
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F4、F46
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■衬氟止回阀标准 PTFE-lined Check Valve Standard
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技术规范Technical specification
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设计标准Design standard
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GB12236
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结构长度Structure length
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GB12221
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法兰标准Flange standard
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JB/T79-94
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GB9113.1-26
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检验试验Inspection test
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GB/T13927
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■主要外形尺寸和连接尺寸Main form and connection size
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公称通径Nominal diameter
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PN1.0（MPa）主要外形尺寸和连接尺寸Main form and connection size
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重量Weight
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DN
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L
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D
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D1
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D2
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f
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b
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z-Φd
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D0
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H1
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Kg
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15
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130
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95
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65
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43
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3
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14
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4-Φ14
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95
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55
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6
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20
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150
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105
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75
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50
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3
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14
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4-Φ14
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105
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58
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7
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25
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160
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115
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85
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60
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3
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16
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4-Φ14
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115
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60
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8
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32
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180
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135
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100
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68
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3
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18
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4-Φ18
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140
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75
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11
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40
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200
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145
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110
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80
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3
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18
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4-Φ18
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150
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82
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15
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50
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230
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160
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125
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100
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3
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20
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4-Φ18
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165
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95
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18
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65
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290
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180
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145
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115
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3.5
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20
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4-Φ18
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190
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105
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25
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80
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310
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195
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160
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130
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3.5
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22
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8-Φ18
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200
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120
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35
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100
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350
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215
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180
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150
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4
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24
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8-Φ18
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225
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135
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46
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125
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400
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245
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210
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180
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4
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26
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8-Φ18
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265
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158
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65
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150
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480
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280
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240
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210
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4
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28
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8-Φ18
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300
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180
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92
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200
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600
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335
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295
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260
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5
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32
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12-Φ23
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360
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215
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152
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250
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730
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405
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355
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319
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5
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36
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12-Φ26
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450
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240
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230
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300
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850
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460
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410
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370
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6
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40
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12-Φ26
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500
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300
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330
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