Pressure Rating: 3400 PSI (approx. 180 to 275 Bar max pressure).Water Flow Rate: 9.0 to 15.0 Liters per minute (LPM) (Higher flow rates are critical for fast rinsing in a commercial yard).Pump Type: Heavy-duty commercial-grade brass cylinder triplex plunger pump with ceramic-coated plungers (built for durability against continuous high-pressure stress).Suction Feature: Self-Priming (Can suck water directly out of a static storage tank, barrel, or river, as well as hook directly to a pressurized tap