Matou te asiasia valve polo, siaki valve, valve gate, globe valve, butterfly valve, poloka ma toto valve e pei ole API6D & API 15000.Material of valves e mafai ona gaosia (eg as ASTM A105 for forgings, ASTM A216 WCB for castings, ASTM A351 CF8M lafo tuna uamea ma lua vasega F51.