1.Single type strainer 2.Cast iron FCD45 3.Filter,zinced steel sheet 4.JIS 7221 standard 5.Leaking test: 10kg keep 30minutes We supply marine strainers to JAPAN for many years. Included Single type and Double type,Need to leak test, Body made with cast iron, Filter made with zinced sheet or stainless steel. Core made with cooper.Pressure grade: 5K,10K; Styles: S,LA,LBOur company located in Dalian ...