... ,oil, gas and some corrodible Fluid;(5)Three way ball valve (three way ball valve,threaded ball valve)Material ListNOPart NameMaterial1BodyWCBCF8M2CapWCBCF8M3SeatPTFERPTFE4BallSS304SS3165Seal GasketPTFE6Stem ... softener, UF water purifier, RO system water equipment ect. three way connector ,RO system