The NIBCO 3 in. PVC DWV 90 (1/4 Bend) Hub x Hub Vent Elbow. DWV is used for non pressurized sanitary system Drain, Waste, and Vent. There are 2 types of DWV plastic: ABS (black plastic) and PVC (white plastic). The sanitary drainage and vent piping are installed to remove waste water and water-borne wastes from the plumbing fixtures and appliances. DWV also provides a circulation of air within the drainage piping. ABS (black) and PVC (white) plastic pipe and fittings have identical uses.
- Changes direction in vent piping 90-degree
- Solvent welded connections
- PVC requires a primer before cementing
- ASTM D2665 and D3311
- NSF/ANSI Standard 14
- UL Listed 94V-0
- NSF U.P. Certified