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| Class 300 Check Valve 止回阀 |
| 产品类别：美标阀系列 |
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技术要求：
设计和制造:ANSI B16.34、API 6D、BS1868
结构长度：ANSI B16.10、API 6D
法兰连接：ANSI B16.5
试验和验收：API 598、API 6D |
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材料
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零件名称
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材料
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12
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阀瓣螺母
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Carbon Steel/Stainless Steel
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11
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垫片
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Carbon Steel/Stainless Steel
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10
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摇臂销
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Carbon Steel/Stainless Steel
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09
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阀座
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CS+SS/SS/SS+STL
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08
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阀瓣
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CS+SS/SS/SS+STL
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零件名称
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WCB
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LCB
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WC6
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WC9
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07
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螺栓螺母
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A193 Gr B7/A194 Gr 2H
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A320 Gr L7/A194 Gr4
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A193 Gr B7/A194 Gr 4/7
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A193 Gr B16/A194 Gr 4/7
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06
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中法兰螺栓螺母
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A193 Gr B7/A194 Gr 2H
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A320 Gr L7/A194 Gr4
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A193 Gr B7/A194 Gr 4/7
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A193 Gr B16/A194 Gr 4/7
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05
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垫片
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Spiral Wound/Soft lron
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Spiral Wound/Soft lron
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Spiral Wound/SS304
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Spiral Wound/SS304
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04
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支架
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A216 Gr WCB
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A352 Gr LCB
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A217 Gr WC6
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A217 Gr WC9
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03
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摇臂
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A216 Gr WCB
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A352 Gr LCB
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A217 Gr WC6
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A217 Gr WC9
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02
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阀盖
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A216 Gr WCB
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A352 Gr LCB
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A217 Gr WC6
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A217 Gr WC9
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01
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阀体
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A216 Gr WCB
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A352 Gr LCB
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A217 Gr WC6
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A217 Gr WC9
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零件名称
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C5
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C12
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CF8
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CF8M
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| 07 |
螺栓螺母
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A193 Gr B7/A194 Gr 2H
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A193 Gr B16/A194 Gr4/7
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A193 Gr B7/A194 Gr 2H
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A193 Gr B7/A194 Gr 2H
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| 06 |
中法兰螺栓螺母
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A193 Gr B7/A194 Gr 2H
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A193 Gr B16/A194 Gr4/7
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A193 Gr B7/A194 Gr 2H
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A193 Gr B7/A194 Gr 2H
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| 05 |
垫片
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Spiral Wound/Soft lron
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Spiral Wound/SS304
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Spiral Wound/SS304
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Spiral Wound/SS316
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| 04 |
支架
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A216 Gr WCB
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A217 Gr C12
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A351 Gr CF8
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A351 Gr CF8M
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| 03 |
摇臂
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A216 Gr WCB
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A217 Gr C12
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A351 Gr CF8
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A351 Gr CF8M
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| 02 |
阀盖
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A216 Gr WCB
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A217 Gr C12
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A351 Gr CF8
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A351 Gr CF8M
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| 01 |
阀体
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A216 Gr WCB
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A217 Gr C12
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A351 Gr CF8
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A351 Gr CF8M
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Class 300
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Size
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inch
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2
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21/2
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3
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4
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5
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6
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8
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10
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12
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14
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16
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18
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20
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24
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L,L1-RF.BW
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mm
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267
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292
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318
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355
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400
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444
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533
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622
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711
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838
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863
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977
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1016
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1346
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L2-RTJ
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mm
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283
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308
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333
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371
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416
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460
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549
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638
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727
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854
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879
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994
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1036
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1368
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H
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mm
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180
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200
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225
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240
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275
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310
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370
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410
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440
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500
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545
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605
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675
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785
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Wt.(approx)
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kg
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26
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32
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53
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73
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110
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157
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234
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384
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450
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650
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800
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970
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1350
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2210
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