Overview
Long radius elbow refers to the elbow radius of curvature of the pipe diameter of 1.5 times; if more than 1.5 times, is the scope of the elbow. A short radius elbow is the radius of curvature of the elbow equal to the diameter of the tube, which is often said that the times. D is the elbow diameter. Long radius is the most commonly used, the general default is also a long radius, the pressure is high or high flow rate will be used where the long radius, if the solid pipeline resistance requirements when the use of a greater radius of the elbow. The short radius is usually used in low pressure fluids or where the elbows are installed at the time of installation. If there is no conditional limitation or preference is given in the contract, the long radius elbow is preferred. Packaging using wooden boxes, wooden care and so on. Long radius elbow material is made of stainless steel, carbon steel, alloy steel and so on. The use of a range of: sewage treatment, chemical, thermal, pharmaceutical, aerospace, power, paper and other industries.
skills requirement
Requires control of the radius of curvature. For example, if the radius length is 1.5D, the radius of curvature must be within the required tolerance range. As most of these fittings for welding, in order to improve the quality of welding, the end of the car into the groove, leaving a certain angle, with a certain edge, this requirement is also more stringent, thick side, the angle for the number and deviation range There are provisions, geometric size than the pipe a lot more items. Elbow surface quality and mechanical properties of the basic and the tube is the same. In order to facilitate welding, and connected to the steel pipe material is the same.
