A high-pressure fuel hose manufacturer shares the usage requirements and common improper practices associated with high-pressure fuel hoses.

Release date:

2021-09-02

Author:

Everyone knows that high-pressure fuel lines are consumables, but their rate of wear varies depending on how they’re used.

The high-pressure fuel hose manufacturer has summarized the following situation: The following are:

　　1. Subject to frequent, severe pressure fluctuations. High-pressure hose rupture is typically not caused by excessive static pressure, but rather by the intensity and frequency of pressure surges. During operation of construction machinery, hydraulic line pressures repeatedly rise and fall, subjecting the hoses to repeated pressure shocks. This accelerates damage to various seals, leads to bulging and rupture of rubber hoses, and causes fittings to loosen and leak. Therefore, during operation, valve stems should not be tightened too forcefully; smooth, steady tightening is essential. Manufacturer of high-pressure hydraulic hoses.

　　2. The operating temperature of the hydraulic fluid is too high. During operation of construction machinery, power losses in the hydraulic system generate heat, and external temperatures—particularly in summer—can further elevate the fluid temperature, leading to a rapid increase. As the fluid’s operating temperature rises, rubber components age more quickly, losing elasticity and experiencing reduced strength and sealing performance, which can cause hoses to rupture prematurely. Therefore, during operation, if the hydraulic system’s temperature becomes excessively high or rises rapidly, the underlying cause should be promptly identified and rectified. In summer conditions, especially during continuous operations, appropriate cooling measures must be implemented.

　　3. Improper selection and installation of hoses. When replacing high-pressure hoses, ensure appropriate hose length, number of wire layers, and correct fitting shape and size, and minimize hose bending as much as possible. When tightening the fitting nuts, avoid bending the hose; bending and twisting can significantly reduce its service life. Protective measures should be taken to prevent damage to areas prone to abrasion. High-pressure hose manufacturer.

　　Each product has its own set of usage requirements, and high-pressure oil hoses are no exception. Today, I will examine the seven key requirements for using high-pressure oil hoses:

　　1. The internal working pressure of the high-pressure oil hose (including pulse pressure) shall not exceed the maximum working pressure specified in the hose’s design.

　　2. Do not use under conditions that exceed the operating environment requirements of the high-pressure oil hose.

　　3. High-pressure oil hoses are suitable only for the specified design requirements of the conveyed medium. High-pressure oil hose manufacturer

　　4. The bending radius of the installed hose shall not be less than the design minimum bending radius specified for high-pressure oil hoses.

　　5. Do not use high-pressure hoses when they are bent or twisted.

　　6. The crimping depth of the high-pressure oil hose must meet the specified requirements, and the fitting dimensions and dimensional accuracy must comply with the relevant standards.

　　7. High-pressure fuel lines are wear parts and should be inspected and replaced regularly. High-pressure fuel line manufacturer.

　　The points outlined above represent the usage requirements and common improper practices for high-pressure fuel hoses, as shared by manufacturers. We hope this information serves as a practical reference for all of you; feel free to save it for future reference. If you have any questions, please don’t hesitate to contact us—your inquiries are always welcome.

Keywords:

Applications, Maintenance, and Use of High-Pressure Rubber Hoses in Automobiles

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