45 ° Elbow
45 ° elbow for pipe fittings, pipe connections. Used in the main pipe and branch pipe. To change the direction of the pipe.
General daily use of 45 ° elbow is basically pvc material, because of its better quality, more convenient to use.
45 ° elbow and pipe connection ways are: direct welding (more commonly used way) flange connection, hot melt connection, electric fusion connection, thread connection and socket connection. According to the production process can be divided into: welding elbow, stamping elbow, pushing elbow, casting elbow, etc.

90 ° Elbow
The 90 ° elbow is a common connection pipe fitting in the plumbing installation. It is used to connect the pipe bend and change the direction of the pipe.
Other names: 90 ° elbow, right angle bend, love bend, stamping elbow, pressing elbow, mechanism elbow, welding elbow, etc.
Use: Connect two pipes with the same or different nominal diameter, make the pipe turn 90 ° and various degrees.

Straight Tee
Water tee is a kind of pipe fitting in drainage pipeline, which is used for vertical connection of branch pipe and trunk pipe. Although it is vertical connection, but the branch pipe into the trunk of the connection is not vertical intersection, but with a small arc along the flow of water connection, so that the branch pipe water is very smooth flow of the stem. The normal use of the straight tee this small arc is played a straight role.

4 Way Pipe Connector
The four-way is pipe fitting and pipe connecting piece. Also known as pipe fittings or four-way pipe fittings, four-way joints, used in the main pipe to branch pipe.
The four channels can be divided into equal diameter and differential diameter. The nozzle ends of equal diameter four channels are all the same size. The main pipe nozzles of the reduced four-way have the same size, and the branch pipe’s nozzles have a size smaller than that of the main pipes. A four-way is a pipe fitting for a branch of a pipe.

Pipe Hoop
Usually the plumber in the use of the process is also called direct.
Purpose: A hoop is a short piece of pipe used to connect two pipes. Pipe hoop is widely used in civil construction, industry, agriculture and other fields because of its convenient use.