Gas Distribution Engineering Information

Size, Dimensions and Pressure Rating Charts
Model Specifications
PP308 HDPE and MDPE Model Specification
Plastic Pipe Institute Software
In promoting the use of polyethylene pipe in various applications, the Plastic Pipe Institute (PPI) provides the following software as an aid to the preliminary calculation and design of PE piping systems.

S-1 (2011) PPI BoreAid  (Horizontal Directional Drilling Calculator)
S-2 (2011) PPI Calculator  (HDPE Design and Installation Calculator) 

 Technical Notes