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 部件 PART  | 
 规格说明 SPECIFICATION  | 
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 1.  | 
 上部阀杆 Upper Stem  | 
 不锈钢ASTM A 582类型416 Stainless Steel ASTM A 582 Type 416  | 
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 2.  | 
 上部衬套 Upper Bushing  | 
 TFE涂敷多孔青铜合金,钢强化 TFE over Porous Bronze, Steel Backed  | 
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 3.  | 
 O形环 O-Ring  | 
 三元乙丙橡胶或腈基丁钠橡胶 EPDM or BUNA-N  | 
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 4.  | 
 阀体 Body  | 
 铸铁ASTM A-126级别B,聚酰胺涂敷 Cast Iron ASTM A-126 Class B with Polyamide Coating  | 
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 5.  | 
 阀瓣 Disc  | 
 球墨铸铁ASTM A 395 配置三元乙丙橡胶或腈基丁钠橡胶密封  Ductile Iron ASTM A 395 with EPDM or BUNA-N Encapsulation  | 
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 6.  | 
 下部衬套 Lower Bushing  | 
 TFE涂敷多孔青铜合金,钢强化 TFE over Porous Bronze, Steel Backed  | 
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 7.  | 
 下部阀杆 Lower Stem  | 
 不锈钢ASTM A 582类型416 Stainless Steel ASTM A 582 Type 416  | 
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 8.  | 
 粉尘塞 Dust Plug  | 
 PVC  | 
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 9.  | 
 铭牌 Name Plate  | 
 铝 Aluminum  |