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Function and operation of electric pressure test pump equipment

Function and operation of electric pressure test pump equipment

  • Categories:Corporate News
  • Author:
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  • Time of issue:2021-11-15 09:20
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(Summary description)The pressure test pump has the characteristics of compact and reasonable structure, labor-saving operation, light weight of the whole machine, convenient maintenance, and greatly improved work efficiency.

Function and operation of electric pressure test pump equipment

(Summary description)The pressure test pump has the characteristics of compact and reasonable structure, labor-saving operation, light weight of the whole machine, convenient maintenance, and greatly improved work efficiency.

  • Categories:Corporate News
  • Author:
  • Origin:
  • Time of issue:2021-11-15 09:20
  • Views:
Information

The pressure test pump has the characteristics of compact and reasonable structure, labor-saving operation, light weight of the whole machine, convenient maintenance, and greatly improved work efficiency.

Its function is to convert the mechanical energy of power machines (such as electric motors and internal combustion engines) into pressure energy of liquids. Working principle: The cam is driven to rotate by a motor. When the cam pushes the plunger to move upwards, the seal volume formed by the plunger and the cylinder decreases, and the oil is squeezed out of the seal volume and discharged to the place where it is needed through the one-way valve. When the cam rotates to the lower part of the curve, the spring forces the plunger down to form a certain degree of vacuum, and the oil in the oil tank enters the sealed volume under the action of atmospheric pressure. The cam causes the plunger to rise and fall continuously, the sealing volume periodically decreases and increases, and the pump continuously sucks and discharges oil.

Function: The pressure test pump is an ideal equipment for obtaining high-pressure liquid in various pressure vessels, pipelines, boilers, steel cylinders, valves, pressure vessels, and fire-fighting equipment in laboratories and hydraulic tests. The pressure test pump products and supporting pressure test and test engineering have been applied in the pressure test in the aviation field and have been applied in development projects. For scientific research projects such as: high pressure test, deep sea test, space technology, high temperature and high pressure test, special-shaped pipe test, etc., and made contributions.

Operation method

1. Loosen the red pressure adjustment knob, plug in the power cord to turn on the motor, check whether the machine has suction, then turn it off, and connect the pipes as shown in the figure above; 2.Turn on the motor, and when water flows out of the return pipe, tighten the pressure relief valve, and then slowly turn the pressure adjustment knob down until the reading on the pressure gauge reaches the pressure requirement you need, then tighten the locking piece and shut down ; 3. Check whether the reading on the pressure gauge drops at this time. If the reading does not drop, it indicates that the pressure resistance of the tested container is good, otherwise, it indicates that there is a leak inside the container; 4. After finishing the work, you should loosen the pressure relief valve and the pressure adjustment knob, and then remove all kinds of pipes in turn, then turn on the motor and let the machine idling for about half a minute to drain the residual water stains in the machine; Wipe the surface of the machine clean with a cotton cloth and store it in a cool and dry place for next use.

Precautions

1. The oil temperature in the reducer box should not exceed 80°C.  

2. If there is obvious leakage in the pump or other parts during work, it should be shut down immediately and the operation can be continued after handling.  

3. In the process of boosting pressure, if the pressure gauge needle swings too much, it indicates that the volume of the pressure-tested container is not enough, and a pressure container or other energy storage device that meets the domestic standard should be connected to the system first.  

4. If the pressure vessel under test has a large volume, it can be operated continuously to increase the pressure first. When it is close to the test pressure, the pressure will be increased again.  

5. Pay close attention to the system pressure during operation to avoid accidental overpressure.  

6. If overpressure occurs, open the drain valve immediately, and re-increase the pressure after part of the pressure is relieved.  

7. This machine adopts an open-type motor. When it works normally for a long time, the surface temperature of the motor shell can reach 60-70℃, which is a normal phenomenon.  

8. There should be a certain distance between the host and the water tank to prevent leakage and burn out of the motor due to splashes of dirt into the motor.  

9. The working liquid used by this machine must be non-corrosive, non-crystallizing, non-solidifying to copper and rubber, and the liquid must be clear and free of impurities.  

10. It is strictly forbidden to run an empty machine for a long time to prevent its service life from being reduced.

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