Pipe Fittings Elbows
Elbows are used to change the direction of the pipe. The bending angles of commonly used elbows are 90 °, 45 ° and 180 °. The 180 ° elbow is also called a U-shaped elbow. There are also elbows with special angles, but the number is very few. 1. Cast iron elbow Malleable cast iron elbow is the most common thread elbow. This kind of pipe is mainly used for heating, water and gas pipes. In the process, except for low-pressure pipelines that need to be dismantled frequently, other material pipelines are rarely used. The specifications of Marshall elbow are relatively small, and the commonly used specifications range from 1/2 to 4 inches. According to their different surface treatments, they are divided into galvanized and non-galvanized. 2. Elbow Pressed elbow, also called stamped elbow or seamless elbow, is made of high-quality carbon steel, stainless acid-resistant steel and low-alloy steel seamless pipe in a special mold. The bending radius is one and a half times the nom...