Anvil drainage fittings have sufficient sweep to allow free unobstructed flow. They are made with a shoulder of the same diameter as the inside of the pipe, in accordance with ASME B16.12, Type 1. Thus, continuous passage is created when the pipe is screwed to the shoulder, leaving no place for solid matter to collect and clog in the pipe.
FIG 754 754 Bath P-Trap
702A 90° Extra Long Turn Elbow
705 45° Short Turn Elbow
730 Y-Branch 90° Long Turn
718 90° Street Elbow
719 45° Street Elbow
708 11 1/4° Elbow
731 Y-Branch 90° Reducing Long Turn
726 Sanitary Tees 90° Short Turn
752 P-Trap
753 Coupling