PVC-DWV FITTINGS Schedule 40 - NSF approved for DWV applications. Meets the requirements of ASTM D2665. For use with PVC-DWV pipe. Sizes are expressed in inches of pipe size. Hub (H) signifies large, non-threaded opening in fitting - pipe slips into this opening. Spigot (Sp) signifies smaller, non-threaded opening in fitting - this slips into the hub opening of another fitting. Threaded openings are described as male pipe thread (MPT) or female pipe thread (FPT).
Schedule 40 - NSF approved for DWV applications. Meets the requirements of ASTM D2665. For use with PVC-DWV pipe. Sizes are expressed in inches of pipe size. Hub (H) signifies large, non-threaded opening in fitting - pipe slips into this opening. Spigot (Sp) signifies smaller, non-threaded opening in fitting - this slips into the hub opening of another fitting. Threaded openings are described as male pipe thread (MPT) or female pipe thread (FPT).