| 
    | 
 部件 PART  | 
 规格说明 SPECIFICATION  | 
| 
 1.  | 
 底板 Bottom Plate  | 
 钢ASTM A-108等级1035 Steel ASTM A-108 Grade 1035  | 
| 
 2.  | 
 螺栓 (DN350-DN500配置2个; DN600配置4个)  Bolt (2 for 14”-20”; 4 for 24”)  | 
 钢ASTM A-307 Steel ASTM A-307  | 
| 
 3.  | 
 O形环 O-Ring  | 
 腈基丁钠橡胶 Buna-N Rubber Nitrile  | 
| 
 4.  | 
 衬套 Bushing  | 
 青铜ASTM B-584等级C83600 Bronze ASTM B-584 Grade C83600  | 
| 
 5.  | 
 O形环(2) O-Ring (2)  | 
 腈基丁钠橡胶 Buna-N Rubber Nitrile  | 
| 
 6.  | 
 阀体 Body  | 
 铸铁ASTM A-126 CL.B Cast Iron ASTM A-126 CL. B  | 
| 
 7.  | 
 衬垫 Liner  | 
 含酚醛强化物的三元乙丙橡胶 含酚醛强化物的丁钠橡胶(腈)  EPDM Rubber w/Phenolic Backing Buna-N Rubber Nitrile w/Phenolic Backing  | 
| 
 8.  | 
 阀瓣 Disc  | 
 铝青铜ASTM B 148合金C95400 球墨铸铁ASTM A 536等级65-45-12(电镀) Alum. Brz. ASTM B 148 Alloy C95400 Ductile Iron ASTM A 536 Grade 65-45-12 (plated)  | 
| 
 9.  | 
 阀杆 Stem  | 
 不锈钢ASTM A 582类型416 Stainless Steel ASTM A 582 Type 416  | 
| 
 10.  | 
 锥形销(2) Taper Pin (2)  | 
 不锈钢ASTM A 582类型416 Stainless Steel ASTM A 582 Type 416  | 
| 
 11.  | 
 衬套 Bushing  | 
 青铜ASTM B-584等级C83600 Bronze ASTM B-584 Grade C83600  | 
| 
 12.  | 
 铭牌 Nameplate  | 
 铝 Aluminum  | 
| 
 13.  | 
 衬套 Bushing  | 
 青铜ASTM B 584等级C83600 Bronze ASTM B 584 Grade C83600  | 
| 
 14.  | 
 键 Key  | 
 钢ASTM A 108等级1045 Steel ASTM A 108 Grade 1045  |