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                    | No | Name | Material |  
                    | 1 | valve body | GS-C25 1.7363 1.4308,1.4408,1.4306,1.4301 |  
                    | 2 | Disc | ASTM  A182-Gr.F6a  ASTM 182-F22 ASTM A182 F304,F316,F321,F304L,F316L |  
                    | 3 | Bolzen | ASTM  A182-Gr.F6a  ASTM 182-F22 ASTM A182 F304,F316,F321,F304L,F316L |  
                    | 4 | Bellows subassembly | 1Cr18Ni9Ti,304,316 |  
                    | 5 | Valve stem | ASTM  A182-Gr.F6a  ASTM 182-F22 ASTM A182-F304,F316,F321,F304L,F316L |  
                    | 6 | Valve deck | GS-C25 1.7363 1.4308,1.4408,1.4306,1.4301 |  
                    | 7 | Packing | Soft graphite, PTFE |  
                    | 8 | Packing gland | GS-C25 1.7363 1.4308,1.4408,1.4306,1.4301 |  
                    | 9 | Locating plate | 25,45,304,316 |  
                    | 10 | Stem nut | Copper alloy C95200 |  
                    | 11 | Hand wheel | WCB/QT400-18 |  
                    | 12 | Stud | ASTM A193-B7,A193-B8,193-B8M |  
                    | 13 | Hexagon nut | ASTM A194-2H,A194-8,194-8M |  
                    | 14 | Washer | soft graphite+ stainless,PTFE |  |