Calculation of flexible metal hose length
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For storage tanks equipped with a weighing unit, metal hoses should be installed on their inlet and outlet pipes. What is the function of these hoses? How is the length calculated? Assume there is a tank equipped with a weighing unit. The pipeline connecting the feed pump to this tank is 16 meters in the x-direction, 11 meters in the y-direction, and 10 meters in the z-direction. The flexible hose is installed near the tank along the y-axis. The pipeline is made of carbon steel, the installation temperature is 35 degrees Celsius, while the operating temperature is -15 degrees Celsius. The pipe diameter is Dn 200. What is then the length of the flexible hose?
When weighing a storage tank, there is slight vertical displacement; hard pipe connections prevent this displacement and affect the accuracy of weighing. Therefore, flexible connections are needed, preferably horizontal hoses, with no specific length requirement.