... . 3.High qulity and competitive price. Foam Bladder Tank proportioning System Mounting type : vertical , horizontal Storage capacity ... 175PSI)Bladder : Buna -N with Nylon Reinforcement Main parts : tank , bladder , external pipe , pressure proportional,Vent and drain ... : Expoxy Red Painted Application : hissystem are widely used in petrochemical enterprises,harbor port ,oil storage,airdrome etc ...