| General | 
                                        
                                    
                                    
                                        | Special Service | 
                                        
                                            
                                            Steam
                                         | 
                                    
                                        | Product Name | 
                                        
                                            
                                            Gate Valve; Gate Valve, Sour Service
                                         | 
                                    
                                        | Nominal Size | 
                                        
                                            
                                            NPS 3/8; NPS 1/2; NPS 3/4; NPS 1; NPS 1-1/4; NPS 1-1/2; NPS 2; NPS 2-1/2; NPS 3; NPS 4
                                         | 
                                    
                                        | Type of Bore | 
                                        
                                            
                                            Full Bore (FB)
                                         | 
                                    
                                        | Pressure Rating | 
                                        
                                            
                                            Class 900; Class 1500
                                         | 
                                    
                                        | End Connection | 
                                        
                                            
                                            Butt-Welding (BW)
                                         | 
                                    
                                        | Pipe Schedule | 
                                        
                                            
                                            SCH 5S; SCH 5; SCH 10; SCH 10S; SCH 20; SCH 30; SCH 40S; SCH STD; SCH 40; SCH 60; SCH 80S; SCH 80; SCH 100; SCH 120; SCH 140; SCH 160; SCH XXS
                                         | 
                                    
                                        | Construction | 
                                        
                                            
                                            BB, OS&Y, Rising Stem; WB, OS&Y, Rising Stem
                                         | 
                                    
                                        | Type of Obturator | 
                                        
                                            
                                            Solid Wedge
                                         | 
                                    
                                        | Type of Seat | 
                                        
                                            
                                            Pressed-in
                                         | 
                                    
                                        | Mode of Operation | 
                                        
                                            
                                            Hand wheel; Hand wheel w/ Locking; Bare Stem
                                         | 
                                    
                                
                                    
                                        
                                            | Materials | 
                                        
                                    
                                    
                                        | Material, Body | 
                                        
                                            
                                            A105; A105N
                                         | 
                                    
                                        | Material, Bonnet | 
                                        
                                            
                                            A105; A105N
                                         | 
                                    
                                        | Material, Trim | 
                                        
                                            
                                            13CR; SS304; 13CR/Hardfaced (#8); SS304/Hardfaced; Hardfaced (#5); SS304L; SS304L/Hardfaced; SS316 (#10); SS316L; SS316L/Hardfaced; 316/Hardfaced (#12); Hardfaced (#16); Monel (#9); Monel/Hardfaced (#11); Other
                                         | 
                                    
                                        | Material, Gate | 
                                        
                                            
                                            Default; A276 316L; A182 F316; A182 F316L; A276 410; A276 316
                                         | 
                                    
                                        | Material, Gate, Seat Facing | 
                                        
                                            
                                            AWS A5.13 ECoCr-A/AWS A5.21 ERCoCr-A (Stellite 6); AWS A5.13 ECoCr-E/AWS A5.21 ERCoCr-E (Stellite 21); AWS A5.13 ECoCr-B/AWS A5.21 ERCoCr-B (Stellite 12)
                                         | 
                                    
                                        | Material, Seat Ring | 
                                        
                                            
                                            A276 316; A276 316L; A276 410; A182 F316; A182 F316L; A182 F6a
                                         | 
                                    
                                        | Material, Seat Ring, Seat Facing | 
                                        
                                            
                                            AWS A5.13 ECoCr-A/AWS A5.21 ERCoCr-A (Stellite 6); AWS A5.13 ECoCr-B/AWS A5.21 ERCoCr-B (Stellite 12); AWS A5.13 ECoCr-E/AWS A5.21 ERCoCr-E (Stellite 21)
                                         | 
                                    
                                        | Material, Stem | 
                                        
                                            
                                            Default; A276 410; A276 316; A276 316L; A182 F316
                                         | 
                                    
                                        | Material, Bolting | 
                                        
                                            
                                            A193 Gr. B7/A194 Gr. 2H; A193 Gr. B7M/A194 Gr. 2HM
                                         | 
                                    
                                        | Material, Gasket | 
                                        
                                            
                                            304+Graphite SPW; 304L+Graphite SPW; 316+Graphite SPW; 316L+Graphite SPW
                                         | 
                                    
                                        | Material, Coating, Bolting | 
                                        
                                            
                                            Zn-Ni; FCC; Cermet+PTFE; Zn-Ni+PTFE; HDG
                                         | 
                                    
                                        | Material, Stem, Packing | 
                                        
                                            
                                            Chevron V; Graphite; LFE Graphite; PTFE; Other
                                         | 
                                    
                                
                                    
                                        
                                            | Standards | 
                                        
                                    
                                    
                                        | Standard, Design | 
                                        
                                            
                                            API Std 602
                                         | 
                                    
                                        | Standard, Face-to-Face | 
                                        
                                            
                                            Manufacturer Standard; Other
                                         | 
                                    
                                        | Standard, End Connections | 
                                        
                                            
                                            ASME B16.25
                                         | 
                                    
                                        | Standard, Inspection & Tests | 
                                        
                                            
                                            API Std 598
                                         | 
                                    
                                
                                    
                                        
                                            | Additional |