Sch 40 PVC 90 degree elbows are used to make a sharp 90 degrees turn in a PVC line in order to change the direction of the line. These 90’s can be used to manipulate the line in any direction that you choose for it to run. PVC 90 elbows come manufactured many different ways to fit any plumbing, irrigation or industrial application that you may be working on. Sch 40 PVC 90 degree elbows meet ASTM D1784, ASTM D 2466, and are NSF approved for potable water. These elbows can handle temperatures that range up to 140 degrees Fahrenheit.