Unit of Measure
                    
               
        
            
                                                                                NPS | 
                                                                        N/A 1/2 | 
                                                                                DN | 
                                                                        N/A 15 | 
                                                                                Diameter of Flange | 
                                                                        N/A 3 1/2 inches | 
                                                                                Diameter of Flange | 
                                                                        N/A 89 mm | 
                                                                                Diameter of Bolt Circle | 
                                                                        N/A 2 1/2 inches | 
                                                                                Diameter of Bolt Circle | 
                                                                        N/A 64 mm | 
                                                                                Number of Holes | 
                                                                        N/A 4 | 
                                                                                Diameter of Holes | 
                                                                        N/A 1/4 inches | 
                                                                                Diameter of Holes | 
                                                                        N/A 6 mm | 
                                                                                Weight (Black) | 
                                                                        N/A 0.56 lbs | 
                                                                                Weight (Black) | 
                                                                        N/A 0.25 kg | 
                                                                                Weight (Galv.) | 
                                                                        N/A 0.60 lbs | 
                                                                                Weight (Galv.) | 
                                                                        N/A 0.27 kg |