... stop-shop supplier for stainless steel tubes, pipe fittings, flanges, valves and stud bolts, etc. in China. Starting the business in ... austenite stainless 310H, 347H, 317L, ... SpecificationSS304 Screwed Type NPT Ball Valves, Class 150#, ANSI STANDARDS Screwed Type NPT Ball Valves1)materail ... API5985)structure type:one-piece,reduced bort,full bore6)operated way:LeaveProducts PicsOur productsContact us