MEP Tools - Pipe Expansion app allows designers to determine the amount of expansion that will occur in their pipe layouts, and how to account for that expansion with "U-bends" or "L-bends". This app lets you input all of the required information:
Material Type (copper/steel)
Bend Type (U-bend/L-bend)
Min. Temp
Max. Temp
Pipe Diameter
Pipe Length
The app then gives you the pipe expansion and the desired lengths for the "U-bend" or "L-bend", as well as a diagram describing each type of bend. The app also refers you to some additional third party information and some pipe expansion product manufacturers.