D-Series Solvent Weld DWV Fittings & Dual-marked PipeThe D Series is a complete line of DWV fittings designed
for use with DWV/Sch 40 Dual-marked pipe in non-pressure Drain, Waste and Vent
Royal's DWV/Sch 40 Dual-marked pipe is a lower-cost, tough, impact resistant alternative to conventional iron piping. Certified to NSF-14, CSA B137.3 and ASTM D1785 for pressure usage and ASTM D2665 for non-pressure applications. Check for availability in your area.