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    | 
 部件 PART  | 
 规格说明 SPECIFICATION  | 
| 
 1.  | 
 螺栓 Bolt  | 
 钢ASTM A 307 Steel ASTM A 307  | 
| 
 2.  | 
 标志板 Identification Plate  | 
 铝 Aluminum  | 
| 
 3.  | 
 阀盖 Bonnet  | 
 球墨铸铁ASTM A 395 Ductile Iron ASTM A 395  | 
| 
 4.  | 
 阀体垫圈 Body Gasket  | 
 合成纤维 Synthetic Fibers  | 
| 
 5.  | 
 螺母 Nut  | 
 钢ASTM A 307 Steel ASTM A 307  | 
| 
 6.  | 
 侧塞 Side Plug  | 
 青铜ASTM B 584 Bronze ASTM B 584  | 
| 
 7.  | 
 挂钩销 Hanger Pin  | 
 青铜ASTM B 371 Bronze ASTM B 371  | 
| 
 8.  | 
 挂钩 Hanger  | 
 青铜ASTM B 584 或球墨铸铁ASTM A 536 Bronze ASTM B 584 or Ductile Iron ASTM A 536  | 
| 
 9.  | 
 阀瓣 Disc  | 
 青铜ASTM B 584 Bronze ASTM B 584  | 
| 
 10.  | 
 阀座环 Seat Ring  | 
 青铜ASTM B 584 Bronze ASTM B 584  | 
| 
 11.  | 
 阀瓣螺母 Disc Nut  | 
 青铜ASTM B 371 Bronze ASTM B 371  | 
| 
 12.  | 
 阀体 Body  | 
 球墨铸铁ASTM A 395 Ductile Iron ASTM A 395  |