1.Type: check valve 2.Material: 304,304L,316L 3.Size: 1"-6",DN25-DN150 4.Standards: DIN,3A,SMS,ISO,IDF, ... RJT Quick DetailsMaterial: Stainless SteelTechnics: CastingType: check ... steel checkl valveMaterial:SUS304/316L Connection:clampSize:1/2-4" Sanitary pipe holder hinged type,pipe holder ... )specific size: Stainless steel industrial check valve