Characteristics of large caliber pipe fitting elbow

　　The large caliber pipe fitting elbow generally refers to the caliber above DN600. The large caliber elbow includes large caliber straight seam elbow and large caliber seamless elbow butt welding elbow.

　　ASME Large Caliber Pipe Fitting Elbow generally refers to the caliber above DN600. The large caliber pipe fitting elbow includes large caliber straight seam elbow and large caliber seamless elbow butt welding elbow. The most used ones in the market are butt welding elbow, straight seam and seamless in large diameter, besides raw material and equipment technology, and then the price is more expensive. Large caliber pipe fitting elbow can be divided into 45 degree large caliber elbow according to angle, 90 degree large caliber elbow and 180 large caliber elbow and other elbow with different angles. According to the material, it can be divided into carbon steel large caliber elbow, stainless steel large caliber elbow, alloy steel large caliber elbow. According to the radius of curvature, it can be divided into long radius large caliber elbow and short radius large diameter elbow. The main standards of large caliber elbow are national standard, electric standard, Sinopec standard, marine standard, Japanese standard, American Standard and so on. The large caliber elbow has the advantages of smooth inner wall, small heat medium flow resistance, acid and alkali resistance, long service life and convenient installation.