ASTM B306 Copper Tubing for Plumbing & HVAC
Standards ASTM B306. Drain, Waste & Vent Copper Tubing. Copper DWV (drain, waste, and vent) tubing helps remove waterborne waste using gravity instead of pressure. This low-pressure rated tubing is suitable for above-ground applications but cannot carry the water pressure used in most municipal water supply systems. DWV copper tubing is ...