In the  ventilation piping system, the  elbow is the pipe that changes the direction of the pipe:Bend molding.Injection elbow.Socket elbow, etc.
There are 45 DEG and 90 DEG to 180 DEG three most commonly used.
In addition, according to the project needs, including 60 degrees and other non normal angle elbow.
Elbow and pipe connections are: direct welding (the most commonly used way), flange connection, hot melt connection, electric melting connection, threaded connection and socket connection.

Shenzhen Xicheng Environmental Teachnology Co., LTD. is located in Baoan District, Shenzhen. It is an environmental protection equipment manufacturer which has been focusing on the environmental protection industry for many years and specializing in the production and sales of environmental protection equipment and various accessories.
With the aims of "Quality First, Mutual Benefit, Cooperation and Win-Win", our company is directed by market demand and has independently developed new varieties to satisfy different industries' needs for the differences and diversification of plastics.