| General | 
                                        
                                    
                                    
                                        | Special Service | 
                                        
                                            
                                            Oxygen; Cryogenic; Cryogenic, Non-operable; Ethyene-Oxide (EO); Hydrogen; Steam; Chlorine
                                         | 
                                    
                                        | Product Name | 
                                        
                                            
                                            Gate Valve; Gate Valve, Sour Service
                                         | 
                                    
                                        | Nominal Size | 
                                        
                                            
                                            NPS 2; NPS 2-1/2; NPS 3; NPS 4; NPS 5; NPS 6; NPS 8; NPS 10; NPS 12; NPS 14; NPS 16; NPS 18; NPS 20; NPS 22; NPS 24
                                         | 
                                    
                                        | Type of Bore | 
                                        
                                            
                                            Standard Bore
                                         | 
                                    
                                        | Pressure Rating | 
                                        
                                            
                                            Class 1500
                                         | 
                                    
                                        | End Connection | 
                                        
                                            
                                            Raised Face (RF); Flat Face (FF); Ring Type Joint (RTJ)
                                         | 
                                    
                                        | Flange Finish | 
                                        
                                            
                                            Smooth Finish; Stock Finish; Spiral Serrated; Concentric Serrated; 125-250 AARH; 250-500 AARH; 63 AARH
                                         | 
                                    
                                        | Construction | 
                                        
                                            
                                            BB, OS&Y, Rising Stem
                                         | 
                                    
                                        | Type of Obturator | 
                                        
                                            
                                            Flexible Wedge; Solid Wedge; Split Wedge
                                         | 
                                    
                                        | Type of Seat | 
                                        
                                            
                                            Integral; Seal-welded; Threaded-in
                                         | 
                                    
                                        | Mode of Operation | 
                                        
                                            
                                            Hand wheel; Hand wheel w/ Locking; Gear; Gear w/ Locking; Bare Stem; Chain Wheel
                                         | 
                                    
                                
                                    
                                        
                                            | Materials | 
                                        
                                    
                                    
                                        | Material, Body | 
                                        
                                            
                                            A351 CF8M; A351 CF3M
                                         | 
                                    
                                        | Material, Bonnet | 
                                        
                                            
                                            A351 CF8M; A351 CF3M
                                         | 
                                    
                                        | Material, Trim | 
                                        
                                            
                                            SS316 (#10); SS316L; SS316L/Hardfaced; 316/Hardfaced (#12); Hardfaced (#16); Alloy 20 (#13); Alloy 20/Hardfaced (#14); Hardfaced (#15); Hardfaced (#17); Hardfaced (#18); Other
                                         | 
                                    
                                        | Material, Gate | 
                                        
                                            
                                            Default; A351 CF8M; A351 CF3M
                                         | 
                                    
                                        | 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 | 
                                        
                                            
                                            A182 F316; A182 F316H; A182 F316L
                                         | 
                                    
                                        | 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; A182 F316; A182 F316H; A182 F316L
                                         | 
                                    
                                        | Material, Bolting | 
                                        
                                            
                                            A193 Gr. B7/A194 Gr. 2H; A193 Gr. B7M/A194 Gr. 2HM; A193 Gr. B8 Cl. 1/A194 Gr. 8; A193 Gr. B8M Cl. 1/A194 Gr. 8M; A193 Gr. B8M Cl. 2/A194 Gr. 8M; A193 Gr. B8M Cl. 2/A194 Gr. 8MA
                                         | 
                                    
                                        | 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 600; API Std 603; BS 1414; BS EN ISO 10434
                                         | 
                                    
                                        | Standard, Face-to-Face | 
                                        
                                            
                                            ASME B16.10; Other
                                         | 
                                    
                                        | Standard, End Connections | 
                                        
                                            
                                            ASME B16.5; ASME B16.47 Series A; ASME B16.47 Series B; MSS SP-44
                                         | 
                                    
                                        | Standard, Inspection & Tests | 
                                        
                                            
                                            API Std 598
                                         | 
                                    
                                
                                    
                                        
                                            | Additional |