Specifically designed for treating fluid mass such as seawater, high concentration of chlorine flow, strong acid, and alkaline mass etc., where the corrosion problems of metal vessels are getting serious for the users. Even some adhesives bonded plastic products are available in the market, issues such as pressure resistance, temperature resistance, and higher cost may stop them from the above-mentioned choices. Barricade PP is made of innovated polypropylene material which able to withstand high temperature, high pressure, and anti-heavy corrosion. The rigid body is made by comprehensive injection.