1.Sanitary ball valve (ISO9001:2000,CE,TUV) 2.DN10-DN200,1/2"- ... size can be customized 3.SS304,SS304L,SS316,SS316L Sanitary Ball ValveSurface treatment: mirror polished 320G,400G or matt polished 180G ... )or double-action(air open/air close).Compact appearance, small volume, large torque, small and convenient assembly. 3) Electric: With on-off ...