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Dongguang Huawei Hydraulic Pipe Fitting Machinery Co., Ltd
In accordance with the curvature radius can be classified into the long radius elbow and short radius elbow.Long radius elbow of pipe diameter,its radius of curvature is equal to 1.5 times,namely R=1.5D.Short radius elbow refers to its radius of curvature is equal to the outer diameter of pipes,namely R=D.The D formula for the elbow diameter,R is the radius of curvature. LR said the long radius,SR said short radius.According to the angle of bend,45 degree elbow, 90 degree elbow,180 degree elbow.
For the pipe fittings, have different material, different material can use different machine to produce it. the piipe fitting not only have elbow,but also have tee reducer and cap.