High pressure wear resistance Sandblasting pipe It is the key component of the ultra-high pressure cleaning machine, and it is the key component connecting the nozzle and the ultra-high pressure pump. In the whole process of application of ultra ultra high pressure cleaning machine, there are many factors that will endanger the service life of high pressure abrasion resistant sandblasting pipe. In addition to the technical level in the whole process of plastic hose production and manufacturing, the quality characteristics of the inner layer and the connector, the proper selection and application of high pressure abrasion resistant sandblasting pipes and other factors have great harm to the service life of high pressure abrasion resistant sandblasting pipes. The following are the three key factors that may endanger the service life of high pressure abrasion resistant sandblasting pipes:

1. Working pressure pairing

When applying and selecting high pressure abrasion resistant sand blasting pipes, plastic hoses suitable for the working pressure level should be properly selected according to the pressure of the ultra-high pressure washer. When the specific working pressure exceeds 1.25 times of the required working pressure, the service life of the plastic hose will be reduced by 50 Copernicus. The service life of the high pressure abrasion resistant sand blasting pipe is greatly affected by the factors such as the working pressure fluctuation during the whole process of the operation of the ultra-high pressure washer, the hydrodynamic working pressure fluctuation in the plastic hose caused by the instantaneous opening and closing of the high-pressure water gun and the pressure regulating valve. Therefore, it is proposed that the selection of high pressure abrasion resistant sand blasting pipe should be based on 1.5 times of the pressure. For example, if the pressure of the ultra ultra high pressure washer is 1200 bar, the high pressure abrasion resistant sand blasting pipe with a pressure of 1800-2000 bar should be selected. This can greatly increase the service life of high pressure abrasion resistant sand blasting pipe.

Second, relative path pairing

When configuring high pressure abrasion resistant sand blasting pipes, they should be selected according to the regulations of the ultra-high pressure washer server. Because the working pressure and total flow of the ultra-high pressure washer have very strict requirements or restrictions, the change of pipe diameter in the pipe will endanger the balance of impact force and system software in the work of high-pressure jet front-end development. The test shows that the high pressure abrasion resistant sand blasting pipe with a diameter of 5mm is used instead of the high pressure abrasion resistant sand blasting pipe with a diameter of 4mm, and the service life is reduced to one-third.

3、 Practical regulations on application, storage and storage of high pressure abrasion resistant sand blasting pipe

(1) When the ultra-high pressure cleaning machine is working, the plastic hose shall not be distorted, and bending shall be minimized. If it is necessary to bend, ensure that the bending radius is not too small, generally not less than 15 times the diameter of the water pipe, or the stainless steel wires on both sides of the lift layer will be drawn, and the stainless steel wires on the inside will be reduced, thereby reducing the tensile strength of all high-pressure abrasion resistant sandblasting pipes, and finally endangering the service life of the plastic hose.

(2) When the ultra ultra high pressure cleaning machine is operating, the high pressure abrasion resistant sand blasting pipe cannot be damaged by lifting objects, sharp objects cannot be broken, and the surface layer should avoid excessive damage. The air conditioning pipe for suspension shall be firmly fixed in a short line.

(3) In the operation process of special cleaning work, the frequent power switch of the high-pressure water gun held by hand should be minimized to reduce the harm of the pressure single pulse to the plastic hose and increase the service life of the plastic hose.

(4) In order to avoid safety accidents and damages when the connector falls or is damaged, the high-pressure abrasion resistant sandblasting pipe shall be equipped with stainless steel wire manually woven protective casing at the interface to connect both sides.

(5) Installation and disassembly High pressure abrasion resistant sand blasting pipe When connecting, do not force disassembly and screw on the external thread. In addition, during the whole installation process, the external surface of the external thread must be wiped with grease. After disassembly, the connection external thread shall be maintained with the maintenance waterproof casing.

(6) When the high pressure abrasion resistant sand blasting pipe is not needed for a long time, the internal water storage shall be drained, the plastic hose shall be bent to the fan coil according to the specified specifications, and then placed. Attention shall be paid to the bending of parts around the connector of high pressure abrasion resistant sand blasting pipe. The connector should be coated with anti rust agent to prevent contact with high temperature, high pressure and strong etching substances.