Socket Weld and Threaded Fittings ASME B16 11
Dec 01 2021 nbsp 0183 32 NPT stands for National Pipe Tapered and is the dominant standard for threaded forged fittings in the oil and gas industry NPT threading is covered by the ASME B1 20 1 specification and is based on 60 176 thread flank angles vs 55 176 of the BSP type BSP BSPP BSPT vs NPT thread angle 55 vs 60 Deg