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The right choice of high-pressure rubber hydraulic hose
The correct selection of rubber high pressure hydraulic hose can ensure the safety of the whole hydraulic system. The correct selection of hydraulic hoses should pay attention to the following.First of all, we should understand the requirements of the product, and then determine the working pressure of the hydraulic hose, the inner diameter of the hydraulic hose, the outer diameter of the hydraulic hose, the medium transported by the hydraulic hose, the working environment, the service life, the length size, the minimum bending radius and so on.
1 . The higher the pressure on the hose, the price will become high. So according to the actual system pressure, select the maximum working pressure of the hose than the actual work pressure can be a big point.
2 . The inner diameter of the hydraulic hose ensures that the medium transmitted in the hydraulic hose can be transmitted smoothly and not blocked, the outer diameter of the hydraulic hose should not be too large or too small to ensure that it can be assembled normally. When hose with pipe clip or hose through steel plate and other gaskets, also pay attention to the outer diameter of the hose size.
3 . The medium transported is hydraulic oil, so it is necessary to choose the hydraulic oil hose.
4. According to the use of the environment to select the hose, whether open-air, light time, whether often friction, external temperature, and so on. The working temperature of the common hoses is -40 ℃ – 100 ℃. The maximum temperature is 125℃. The life of the hydraulic hose and the difficulty and cost of a replacement should be considered. According to the specific situation of use, choose the appropriate length and size, can not allow it to bend too much, or have been in a state of strong tension.
5. When selecting a high-pressure hose, pay attention to the bending radius of the high-pressure hose, and calculate the bending radius by subtracting the length of the joint hasp. Determine the appropriate minimum bending radius, so that the normal use environment of the hydraulic hose does not exceed the minimum bending radius. If the bending radius of the installed hose is too small, it will reduce the pressure bearing capacity of the hose and affect its service life.
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