... CE certificatev1-PC Stainless Steel Ball Valve,Reduce Port,1000WOG,PN63,CF8M/CF8,SS316/SS304,1.4408/1.4301Materials of main parts: Sealing ... : Water Oil ,Steam, Nitric acid, Acetic acid.Nominal pressure: 1.6. 2.5. 4.0. 6.4Mpa Main size: 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1 ...