The service life of a hydraulic hose assembly depends on its conditions of use.

The hose assembly in use should be regularly inspected for leaks, kinks, blistering, abrasion, abrasion or other damage to the outer layer. Once the assembly is found to be damaged or worn, it must be replaced immediately.

When selecting and using, you can extend the life of the assembly by:

1. Installation of the hose assembly: The installation of the hydraulic hose assembly should comply with the relevant standards for the direction and arrangement of the hydraulic hose to ensure that the hose assembly is properly used.

2. Working pressure: The hydraulic system pressure should not exceed the rated working pressure of the hose. A sudden rise or peak in pressure above the rated working pressure is extremely destructive and must be considered when selecting a hose.

3. Minimum burst pressure: The burst pressure is limited to the destructive test to determine the design safety factor.

4. Temperature range: Do not use the hose at temperatures exceeding the recommended limits, including internal and external temperatures. If the hydraulic fluid used contains emulsions or solutions, please refer to the relevant technical data.

Regardless of the hose’s operating temperature range, it must not exceed the fluid manufacturer’s recommended maximum operating temperature.

5, fluid compatibility: hydraulic hose assembly inner rubber layer, outer rubber layer, reinforcement layer and hose joints must be compatible with the fluid used.

Proper hoses must be used because the chemical properties of phosphate-based and petroleum-based hydraulic fluids are quite different. Many hoses are suitable for one or more fluids, but not all fluid types.

6. Minimum bending radius: The hose should not be bent to less than the recommended minimum bending radius, nor should the hose be subjected to tension or torque, which may subject the reinforcing layer to excessive stress and greatly reduce the hose’s ability to withstand pressure. . 7. Hose size: The inner diameter of the hose must be able to handle the required flow rate. If the inner diameter is too small at a specific flow rate, excessive fluid pressure will be generated and heat will be generated, causing damage to the inner rubber layer.

8. Hose alignment: The hose should be restrained, protected or guided if necessary to minimize the risk of damage due to excessive flexing, shaking or contact with moving parts or corrosives. Determine the appropriate hose length and joint form to prevent wear and tear, and to avoid contact with sharp objects and distortion to prevent leaks.

9. Hose length: When determining the correct hose length, the length change under pressure, machine vibration and movement, and hose assembly wiring should be taken into account.

10. Hose application: Select the appropriate hose according to the specific application. Special fluid or high temperature performance is an application example that requires special consideration for the use of special hoses.

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