- Manufactured in accordance with ASTM specification A865.
 - Merchant couplings in sizes 1/8 NPS (6 DN) through 2 NPS (50 DN) are normally supplied straight tapped. Sizes 2 1/2 NPS (65 DN) and larger are taper tapped.
 - Taper tapped standard merchant couplings in sizes 1/8 NPS (6 DN) through 2 NPS (50 DN) are available upon request.
 - API line pipe couplings are used in all sizes over 6 NPS(150 DN).
 - Couplings from 1/8 NPS (6DN) through 2 NPS (5ODN) are dipped in rust preventative.
 - Couplings 2 1/2 NPS (65 DN) and larger are phosphated.
 - Galvanized full couplings are also available.
 - Half couplings are chamfered on one end and squared on the other.
 
                    Unit of Measure
                    
               
        
            
                                                                                NPS | 
                                                                        N/A 2 1/2 | 
                                                                                DN | 
                                                                        N/A 65 | 
                                                                                Outside Diameter | 
                                                                        N/A 3.250 inches | 
                                                                                Outside Diameter | 
                                                                        N/A 83.00 mm | 
                                                                                Length (Full) | 
                                                                        N/A 3 1/8 inches | 
                                                                                Length (Full) | 
                                                                        N/A 79 mm | 
                                                                                Length (Half) | 
                                                                        N/A 1 1/2 inches | 
                                                                                Length (Half) | 
                                                                        N/A 38 mm | 
                                                                                Threads | 
                                                                        N/A 8 inches | 
                                                                                Threads | 
                                                                        N/A 203 mm | 
                                                                                Weight/100 Pieces (Full) | 
                                                                        N/A 216.00 lbs | 
                                                                                Weight/100 Pieces (Full) | 
                                                                        N/A 98 kg | 
                                                                                Weight/100 Pieces (Half) | 
                                                                        N/A 103.5 lbs | 
                                                                                Weight/100 Pieces (Half) | 
                                                                        N/A 47 kg |