Manual pressure test pump small volume, light weight, convenient transportation, simple operation, easy to use, simple maintenance, widely used in coal, metallurgy, petrochemical, electric power, machinery and other industries, is a simple and convenient hydraulic power source. The manual pressure test pump is the main test instrument for measuring the pressure vessel and the pressure equipment. The maximum working pressure can reach 800 kg/mm. In addition to understanding what is the manual pressure test pump, we also know how to maintain the manual pressure test pump, so that it can work for a longer time. In this article, we will go into more detail.