45 Degree Schedule 40 PVC Slip Elbow Fitting (2 1/2" Dia. (1 Pack)) - 417-025 45 Degree Slip Elbow Fitting for Schedule 40 PVC Pipe (Slip x Slip) Schedule 40 PVC 45 degree ells are designed to turn the flow of a liquid at a 45 degree angle. Both pipe ends are glued or cemented into the elbow, forming a 45 degree turn or joint. Schedule 40 fittings are NSF rated 14 & 61, which means they are certified for use with potable (drinking) water. Maximum temperature is 140F.