Coupling are commonly used to connect two pipes of the same size. Coupling also known as Socket, Malleable iron material, the surface can be hot dip galvanized and cold galvanized. 270 Socket is entire threaded ,its threads at both ends are connected,it is full threads
Pipe joint solutions usually use malleable iron pipe fittings. A galvanized malleable fitting is ductile and has good ductility. Among malleable fittings, they are the most common and come in a variety of sizes and types. One of them is the socket, which ranges in size from 1/4″ to 6″. 100% test before packing for JIANZHI malleable iron sockets. Water and gas pipelines use it because of its strict airtightness requirements. The building and people’s safety must be ensured.