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2023-03-15
What are the main materials used for high pressure hoses?
The materials used in high pressure hose are divided into non-metallic materials and metallic materials. The non-metallic materials often used in the production process of high pressure hose are butadiene rubber, butadiene rubber, neoprene, etc. With the progress of technology and the development of the rubber industry. EPDM rubber, chlorosulfonated polyethylene, chlorinated ether rubber, hydrogenated butyl rubber, etc. are gradually applied to the products of high pressure hose manufacturers. Used in the manufacture of high-performance, high value-added high-pressure hose products. Non-metallic reinforcing materials include nylon, polycool fiber, and with the development of textile industry, aramid fiber and other high-performance materials are gradually applied to high-pressure hoses. Metal materials have a round cross-section of copper-plated steel wire, galvanized steel wire for the skeleton layer materials, with the computer simulation, testing and other technological advances, flat steel wire (cross-section of oval copper-plated steel wire) will be used in the high pressure hose. New materials used in high pressure hoses:
Several major factors affect the sealing performance
When the movement speed is very low (<0.03m/s), consider the smoothness of the operation of the equipment and whether the phenomenon of "crawling" occurs. When the movement speed is high (>0.8m/s), the oil film that plays a role in lubrication may be destroyed, and the seal will not be well lubricated and frictional heat, resulting in a greatly reduced life.
The use of rubber hose, safety matters
Always use hoses within the recommended temperature and pressure range.
Requirements for the use of high-pressure hoses and connection requirements
High-pressure hose is used more in the hydraulic bracket, each bracket use about 10 - 30, therefore, the structure of high-pressure hose, the use of methods and connection methods will directly affect the working stability of the bracket.
For the use of large diameter hoses need to pay attention to what issues
Large diameter hose products, which also belongs to one of the classification of the hose, we know that the hose variety is complex, diverse structure, coupled with the use of different conditions, so the length of service life of the hose, not only determined by the quality of good or bad, but also determined by the correct use of maintenance. For the application of large diameter hose is also the same, in order to be able to use it correctly, to achieve a better application effect, in its use need to pay attention to the following points:
2021-09-26
Industrial hose, rubber hose how to identify the good and bad?
The rubber hose is divided into two kinds of high pressure hose and low pressure hose. The high pressure hose is generally composed of four parts: outer rubber layer, steel wire reinforcement layer, middle rubber layer and inner rubber layer. The inner rubber layer of the hose is in direct contact with the hydraulic oil and is generally made of synthetic rubber. The load-bearing capacity of the hose depends on the reinforcement layer, which is the skeleton of the hose and is usually made of steel wire braiding or winding. Most of the medium and high pressure hoses use steel wire braid as the skeleton, while high pressure and ultra high pressure hoses use steel wire winding skeleton. The outer rubber layer of the hose is generally made of rubber with good wear and corrosion resistance to ensure that the reinforcement layer is not subject to mechanical damage, chemical corrosion and moisture rusting.
