... walls result in lower pressure loss and higher volume5). Long Life: More than 50 years under normal conditions 6). ... Equal coupling,reducing coupling ,end cap ,stub end,45°elbow,90°elbow,Equal tee,reducing tee,Femad adapter,male adapter,female ... drainaged Tee, 90°Elbow(3segments),90°elbow(4segments),90°(5segments),45°Elbow(2segments),45°Elbow(3segments),22.5°Elbow,11.25°Elbow,Reducing Tee (Saddle ...