... ",21/2",3",4",6",8" Types:Tin can , Round hole,Round hole longBasket strainer / Suction strainerSize:1",1 1/2",2 ... ",21/2",3",4",6",8"Types:Tin can Round holeRound hole longMaterial: Carton steel, stainless steelThread:BSP or NPTWe ... can I know the material is correcct and acceptable?Material certificate (inspection certificate) is available on request.4. What's the pressure ...