PP-R Pipes Features:1) Specifications: 16, 18, 20, 25, 32, 40, 50, ... c) Elbow-equal, reducing, male, female d) Wallplated elbow-male e) Tee-equal, reducing, male, female3) The fittings are designed to ... is in process5) Also polygon shape can help to align pipes during installation6) This process also makes fittings stronger and has ...