2PC Thread Ball Valve(PN64) Size:1/4~4'', Full Port Material: 304 316 ... some causticity fluid Detailed Product Description:Connect form: ThreadSize: 1/4"∼4".Suitable medium: water, oil, steam, nitric ... Main material: 304 and 316.Design and manufacture adoption: ISO, API, GB, BS, we are strict with ... internal, external market.Dimension: 1/4", 3/8", 1/2", 3/4", 1"1 1/2'', 2'', 2 1/2'', 3'', 4''PARAMETERS ...