The series of pumps can be used in small and medium-sized road cleaning vehicles and other needs in the flow of high-pressure cleaning system. This is a new design of the pump, flow rate of 87 L per minute, it is designed to high-speed structure, cost-effective, pump body followed the conventional design, crankshaft using high-strength steel, and with two super-large tapered roller bearings, support. Ensure the smooth operation of the pump.