... / DIN1.0619Thread: ASME B 1.20.1(NPT), BS 21(BSP), DIN 2999(PT)/259, ISO 228/1. Size: 1/4 ... ", 3/8", 1/2", 3/4", 1", 11/4", 1.1/2", 2" ,2.1/2", 3", 4 ... Valve Butterfly Handle[Material:SS304,SS316],[Pressure:1000PSI],[Thread:NPT,BSP,BSPT,DIN2999]