Forged Threaded Fittings (ASME B 16.11-2001) | DN | Nominal Pipe Size | End-to-End Couplings, W | End-to-End Cops P | Outside Diameter, D | Min. End Wall Thickness, G | Min. Length of Thread [Note (1)] | | 3000 & 6000 | 3000 | 6000 | 3000 | 6000 | 3000 | 6000 | B | L2 | | 6 | 1/8 | 32 | 19 | ... | 16 | 22 | 4.8 | ... | 6.4 | 6.7 | | 8 | 1/4 | 35 | 25 | 27 | 19 | 25 | 4.8 | 6.4 | 8.1 | 10.2 | | 10 | 3/8 | 34 | 25 | 27 | 22 | 32 | 4.8 | 6.4 | 9.1 | 10.4 | | 15 | 1/2 | 48 | 32 | 33 | 28 | 38 | 6.4 | 7.9 | 10.9 | 13.6 | | |