Summary symptoms of hydraulic pump oil pump performance failure and daily use abnormal problem summary

It is inevitable to encounter various problems in the daily use of the plunger pump oil pump. The editor summarized some of the performance doubts, faulty symptoms, and daily use abnormal problems. It is recommended to purchase a hydraulic pump for hydraulic pump manufacturers that can provide technical support and complete after -sales service. After all, the network data is scattered and cannot guarantee the accuracy of the solution.

1. What is the reason why the oil pump first -guide valve core jumps?

The opening of the main valve core is a pressure difference formed by the flow of liquid flow through the damping small hole. Once the block is blocked, it will be directed to the main valve entrance to often open and cannot regulate the pressure. If the pilot valve holes are blocked, the oil pressure difference between the upper and lower cavities of the main valve is almost equal, and the main valve core cannot be lifted and cannot overflow.

2. How to close the flow control valve of the plunger pump?

When the spring is adjusted, the clockwise clockwise screw the flow adjustment function, and the X port is also blocked. The oil path of the port in port B must also be closed, set the pressure of the pump, then open the port B, and get oil into the system. Because the control methods of various types of plunger pumps are different, it is recommended to directly seek manufacturer's technical support to avoid incorrect operations.

3. What items need to be tested by the plunger pump detection standard?

All the migrant plunger pumps must be tested by the sealing performance, efficiency, full load, speeding, noise, pressure vibration, displacement verification, etc. of the sealing performance, efficiency, full load, speed, noise, pressure vibration, displacement verification, etc. Only when the design specifications are required to enter the warehouse.

4. What are the symptoms of variable hydraulic pump absorbing oil into the air?

If the variable hydraulic pump is inhaled air, its external appearance may have symptoms such as noise, insufficient pressure, vibration, and hydraulic oil ascension.

5. The performance difference between domestic hydraulic pumps and imported hydraulic pumps?

The domestic hydraulic pump independently developed and manufactured by our company can seamlessly connect the imported hydraulic pump. Whether it is the appearance, structure, oil port, installation size, etc., the only performance difference is due to the differences in domestic materials, resulting in a 30%reduction in service life. However, the price of domestic hydraulic pumps is usually about 40%.

6. What conditions should the normal work of the hydraulic pump be met?

The outer oil leakage pipe should ensure that the plunger pump and the oily horse shell are filled with oil to prevent the oil from pouring the oil in the shell when the parking is higher than the shell.

(1) Oil viscosity should meet the requirements. The viscosity index of the oil is high, the viscosity is small, the viscosity index is low, and the viscosity is large. The viscosity index of the working oil of the domestic plunger pump is generally required to be above 90, and the better is more than 100.

(2) Keep oil cleaning and maintain a certain amount of oil accuracy.

(3) The oil -absorbing tube should be short and straight, and the pipe diameter should be slightly larger than the pump entrance.