... recorder monitor,automaticValve,inspect system and other accessories.3. The oily water is not sucked directly ... be discharged outlet,discharge overboard through water discharging 3-way valve,first,second change valve(N.O, ... enter into top pneumatic cylinder of three 3-way valves,drive piston downward,close the N. ... through top water adsorber/discharging oil 3-way valve N.C port. Bilge Oily Water ...