Copper Elbow Long Radius (LR) is installed between pipes to change the direction of the pipe by 90°. Its centreline radius is 1.5 times than the diameter of the pipe. This is often used in piping as pressure loss is less as compared to short radius elbow.

COPPER TEE
Copper Tee is a T-shaped short piece of pipe having two outlets, at 90° to the connection to the main line. This is used to