SS304 Screwed Type NPT Ball Valves, Class 150#, ANSI STANDARDS 1. Material: Stainless Steel 2. Connection: ... -stop-shop supplier for stainless steel tubes, pipe fittings, flanges, valves and stud bolts, etc. in China. Starting the business in ... , 347H, 317L, ... SpecificationSS304 Screwed Type NPT Ball Valves, Class 150#, ANSI STANDARDS Screwed Type NPT Ball Valves1)materail:SS304,SS316,CF8M,CF82)Size ...