| Body, tail piece, and sear retainer | 
                    Casting:WCB, WCC, LCB, LCC, CF8, CF8M, CF3, CF3M, CD4MCu, CN7M,    Duplex, Nickel, and other alloys | 
                  
                  
                    | Forging: A105, LF2, F304, F316, F304L, F316L, and other alloys | 
                  
                  
                    | Ball | 
                    Casting: WCB+ENP, LCB+ENP, CA15, CF8, CF8M,    CF3, CF3M, CD4MCu, CN7M, Duplex, Nickel, and other alloys | 
                  
                  
                    | Forging: A105+ENP, LF2+ENP, F304, F316,    F304L, F316L, and other alloys | 
                  
                  
                    | Stem and gland | 
                    410, 304,    316, 17-4PH, Nitronic50, 4140, Duplex, Nickel, and other alloys | 
                  
                  
                    | Seat  | 
                    TFM, PTFE,    RPTFE, Nylon, Delrin, PEEK, Devlon, and metal  | 
                  
                  
                    | Stem washer | 
                    RPTFE | 
                  
                  
                    | Stem seal | 
                    Grafoil,    Viton, and other elastomers available | 
                  
                  
                    | Body seal | 
                    Grafoil,    spiral wound with grafoil filler | 
                  
                  
                    | Spring | 
                    Inconel X-750 | 
                  
                  
                    | Body stud | 
                    B7, B7M, L7,    B8, B8M, and B16 | 
                  
                  
                    | Body nut | 
                    2H, 2HM, 7,    8, and 8M |