In the plumbing industry, PVC pipe are used in drainage, sewer, waste and vents for conveying water and water waste. It is a durable product that can be welded using solvents, heat and orings. PVC pipes are created by a process called extrusion, in the case of PVC pipe, chips of rigid PVC plastic are heated up to a molten state and forced through a hole corresponding to the shape desired (in this case a pipe). As the pipe is extruded, it is held in a straight line until it cools into a solid length of pipe.
PVC is thermoplastic which means that it becomes soft when heat is applied and by this process you can able to bend and reform the PVC into another shape but in our case we just heat and bend it to form the required bending. Using heat gun or blow torch, PVCs were bend to form different types, the offset, long sweep L-bow 90°, L-bow 90°, L-bow 45°. For better results, there should be two persons working together, one should be heating while the other is holding the pipe bending but make sure the other must bend it slowly to avoid leaking. Also, avoid too much heating of the pipe cause it might burn.
Let's explore it one by one
Offset
12 in. of pipe would do. To make an offset, there should be two positions on the pipe to be heated and it should be equal length from both ends (4 in. from end). Heat it individually and bend slowly, for an offset the two equal parts must be parallel to each other never mind my work. Offset bend is used when the run of conduit needs to continue the same direction but meets an obstacle and jogs to the side, over or under the obstacle.
L-bow 90°
6 in. of PVC pipe. Heat the center of the pipe and bend slowly until youv'e reach the 90° then wipe it with wet rag to cool it fast. 90° bend is used in such a way to produce 90°change in the direction of flow of content on the pipe.
Long sweep L-bow 90°
Just like l-bow 90°, Long sweep must be heat at the central part of the pipe and bend slowly then stop when you reach the 90°, they just differ from the pipe length, Long sweep is much longer than L-bow 90°. 8-10 in. of pipe can be. This bend is used when space is available and flow is more critical.
L-bow 45°
L-bow 45° is shorter than L-bow 90°, 5 in. of pipe and the process is just heat again the central part and bend slowly until 45°. The 45° elbow is used to connect tubes at a 45° pipe angle and to change the direction at 45° the flow of water on the pipe.
As part of steemit I would like to share this project to promote works of engineering towards this industry and to give some knowledgeable ideas about this course.
I hope you learn something
Thankyou!
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