Technology
                                
                                
                                    Thermodynamic (Disk)
                                
                             
                            
                                
                                    Size
                                
                                
                                    NPS 3/8, 1/2, 3/4, and 1 / DN 10, 15, 20, and 25
                                
                             
                            
                                
                                    Maximum Temperature
                                
                                
                                    750°F (400°C)
                                
                             
                            
                                
                                    Operating Pressure
                                
                                
                                    Type 711/721 - 4 to 450 psig (0.3 to 31 bar) 
 Type 711HP/721HP - 150 to 650 psig (10.3 to 45 bar)
                                
                             
                            
                                
                                    Back Pressure
                                
                                
                                    Low carbon (0.15% max.) chrome moly body and stainless steel trim
                                
                             
                            
                                
                                    Capacity
                                
                                
                                    Up to 3500 lb/hr (1587.5 kg/hr)
                                
                             
                            
                                
                                    Connections
                                
                                
                                    NPT, Socket weld
                                
                             
                            
                                
                                    Materials
                                
                                
                                    Low carbon (0.15% max.) chrome moly body and stainless steel trim