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Why are metal hoses so popular among users?
Upload Time:
2022-09-29
Metal hoses are pipe fittings for conveying various fluids and are the core components of corrugated pipes. It is mainly used to compensate the connection between pipes and pipes, pipes and equipment, and equipment and equipment. At present, metal hoses have been widely used in many complex piping systems, and the ability of metal hoses to reduce pipeline installation stress is an important factor in their popularity. In complex piping systems, installation is often difficult due to the limitations of space and location conditions. The formed pipeline cannot be installed, bent or straight, and the installed pipeline cannot be avoided. Local cold correction. Depending on the diameter of the pipeline and the specific conditions of the site, the amount of cold correction can vary from a few millimeters to tens of millimeters, and some can reach hundreds of millimeters. Practice has proved that the larger the amount, the higher the internal stress. The installation stress of these piping systems is undoubtedly a huge hidden danger. Since the metal hose can be bent arbitrarily, and when the rated bending radius is extremely small, the bending generates internal stress, which can bring great convenience to the installation work and affect the safe operation of the pipeline system. This is the main reason why some plumbing systems must use metal hoses. There are many kinds of metal hoses, and the classification methods are not the same. Some are classified by use, some are classified by raw materials, some are classified by button type, and so on. The following characteristics are the basis for the classification of metal hoses; the structure and manufacturing process of the bellows, the inner diameter of the hose, the working pressure value, the use and function of the working medium, the working conditions, and the requirements of the working temperature scale. According to different structures, bellows can be divided into the following types: steel brazing sealing bellows, welded sealing bellows, argon arc welding sealing bellows, and pipeline sealing bellows. According to the different working pressure, the hose is divided into low pressure, medium pressure and high pressure. Low pressure hoses are usually single-walled without reinforcement waves. When working under higher pressure, the strength of the metal hose can be improved by the following methods. A mesh sleeve is added to the second or third layer, and a spiral metal wire is added to the wave groove of the shell to increase the wall thickness of the wave to obtain a metal hose that works smoothly under medium and high pressure. According to their use, metal hoses can be divided into three basic types: hoses that carry corrosive and non-corrosive liquids and gases. Metal hoses are used to protect conductors in critical circuits, protecting them from mechanical damage and contact with liquids. Metal hoses are used as motion compensators to eliminate temperature deformation and equipment deformation for various equipment in hydraulic systems. Metal hose with mesh jacket for work under high pressure. Metal hoses used under long-term oscillating conditions with a wide range of excitation frequencies and limited flex. This metal hose requires long-term oscillation experiments at the operating frequency. According to the requirements of vibration intensity and vibration resistance, determine its working capacity.
Metal hoses are pipe fittings for conveying various fluids and are the core components of corrugated pipes. It is mainly used to compensate the connection between pipes and pipes, pipes and equipment, and equipment and equipment. At present, metal hoses have been widely used in many complex piping systems, and the ability of metal hoses to reduce pipeline installation stress is an important factor in their popularity.
In complex piping systems, installation is often difficult due to the limitations of space and location conditions. The formed pipeline cannot be installed, bent or straight, and the installed pipeline cannot be avoided. Local cold correction. Depending on the diameter of the pipeline and the specific conditions of the site, the amount of cold correction can vary from a few millimeters to tens of millimeters, and some can reach hundreds of millimeters. Practice has proved that the larger the amount, the higher the internal stress. The installation stress of these piping systems is undoubtedly a huge hidden danger. Since the metal hose can be bent arbitrarily, and when the rated bending radius is extremely small, the bending generates internal stress, which can bring great convenience to the installation work and affect the safe operation of the pipeline system. This is the main reason why some plumbing systems must use metal hoses.
There are many kinds of metal hoses, and the classification methods are not the same. Some are classified by use, some are classified by raw materials, some are classified by button type, and so on. The following characteristics are the basis for the classification of metal hoses; the structure and manufacturing process of the bellows, the inner diameter of the hose, the working pressure value, the use and function of the working medium, the working conditions, and the requirements of the working temperature scale.
According to different structures, bellows can be divided into the following types: steel brazing sealing bellows, welded sealing bellows, argon arc welding sealing bellows, and pipeline sealing bellows. According to the different working pressure, the hose is divided into low pressure, medium pressure and high pressure. Low pressure hoses are usually single-walled without reinforcement waves. When working under higher pressure, the strength of the metal hose can be improved by the following methods.
A mesh sleeve is added to the second or third layer, and a spiral metal wire is added to the wave groove of the shell to increase the wall thickness of the wave to obtain a metal hose that works smoothly under medium and high pressure. According to their use, metal hoses can be divided into three basic types: hoses that carry corrosive and non-corrosive liquids and gases. Metal hoses are used to protect conductors in critical circuits, protecting them from mechanical damage and contact with liquids.
Metal hoses are used as motion compensators to eliminate temperature deformation and equipment deformation for various equipment in hydraulic systems. Metal hose with mesh jacket for work under high pressure. Metal hoses used under long-term oscillating conditions with a wide range of excitation frequencies and limited flex. This metal hose requires long-term oscillation experiments at the operating frequency. According to the requirements of vibration intensity and vibration resistance, determine its working capacity.
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