In a piping system, the elbow is a pipe fitting that changes the direction of the pipe. According to the angle, there are 45 ° and 90 ° 180 ° three kinds of the most commonly used, according to the project also includes 60 ° and other non-normal angle elbow. Elbow materials are cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, nonferrous metals and plastics. Elbow weight calculation formula: Circle volume = 2X3.14X3.14 (r ^ 2) R R - Circle radius R - Ring radius of rotation Hollow tube ring volume = 2X3.14X3.14 ((r ^ 2) - (r '^ 2)) R R '- radius of the inner circle of the ring 90,60,45 degrees elbow (elbow) volume is the corresponding hollow tube ring volume of 1/4, 1/6, 1/8. The density of steel is calculated on the basis of weight by 7.85 kg / m dm, density X volume = weight (mass). Note: 1,180 ° elbow calculated by the table 2 times, 45 ° by 1/2; 2, R1.0DN elbow weight calculated according to Table 2/3; 3, the table does not list the weight of the wall thickness, preferably with the similar two weight calculation of the average; 4,90 ° elbow calculation formula; 0.0387 * S (D-S) R / 1000 where S = wall thickness mm D = diameter mm R = bending radius mm Source: China Elbow Manufacturer - Yaang Pipe Industry Co., Limited (www.yaang.com)
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Author : China Elbow Manufacturer |
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