... )Pipe Thickness (mm)Pipe Working pressure (MPa) [hot and cold water, special liquid]Pipe Working pressure (MPa) [gas]202.02.51 ... could be used for many applications, Such as inCity building:water supply, heat supply pipeline backwater, natural gas, and combustion gas;Agriculture ... and rubber;Oil and gas field:For conveying Oil-polluted water, sewage in gas field, and the fuel-air mixture, polymer ...