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1. Before starting to use the pressure test pump, it should check in detail whether the tightening of the connecting parts of each part, whether the pressure gauge is normal, whether the inlet and outlet pipes are installed well, the working medium of this pump is 5 ~ 50 ℃ water, emulsion or kinematic viscosity. In order to improve the efficiency of pressure test, the container or equipment to be tested can be filled with water first, then the outlet pipe of the pressure test pump. 3. During the pressure test, if you find that there is a lot of air in the water can be unscrewed open the valve, the air let go. 4. In the process of pressure test if any subtle seepage phenomenon, should immediately stop working for inspection and repair, is strictly forbidden to continue to increase the pressure in case of seepage. 5. After the pressure test is completed, first release the water valve, the pressure drop, so as to avoid pressure gauge damage. 6. When the pressure test pump is not used, should drain the pump water, sucked into a small amount of oil to prevent corrosion. Long Yang high-pressure pump specializing in the production of various test pump, high-pressure pump, high-pressure pump cleaning