Customers with strict emission requirements need vacuum trucks with a liquid ring pump configuration in order to safely remove hydrocarbons while maintaining maximum performance. The Durasucker Liquid Ring is a DOT certified, safe and eco-friendly solution for collecting and transporting hazardous and nonhazardous liquid and semi-liquid waste. Liquid Ring units are ideal for vacuuming hydrocarbons safely while reducing the risk of explosions. Friction and heat buildup can create an ignition source; utilizing a liquid ring pump eliminates friction and maintains low temperatures. The liquid ring also acts as a scrubber to reduce exhaust emissions, making it an eco-friendly solution. Additionally, these trucks offer low vibration, operating quieter and causing less wear and tear leading to lower maintenance costs.