... in recent years. Its used to connect to the reinforce fittings. Outlet is used widely more and more in high temperature ... to the main pipe. And is connected to the branch or other fittings such as nipple, thread plug,instrument and valve by ... Nipple,Hexagonal Nipple,etc ♥We are manufacturer of steel pipe&fittings, like 45deg/90deg/180deg elbow,equal or reducing tee ,CON ...