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 706 706 45° Long Turn Elbow
752 P-Trap
701 90° Short Turn Elbow
702A 90° Extra Long Turn Elbow
753 Coupling
719 45° Street Elbow
734 Y-Branch 45°
729 Sanitary Tees 90° Reducing Double Short Turn
754 Bath P-Trap
735 Y-Branch 45° Reducing
722 Tee