
opus.mcerf.org
OPUS: Online Piping & Usage SpecificationFeedback / OPUS Improvements. Feedback / OPUS Improvements. A free resource for industry professionals and students seeking basic information on piping applications, materials and fittings and the quality manufacturers and suppliers who provide them. Drain Waste and Vent (DWV). Gray Water Subsurface Irrigation. High Purity (DI, Lab). Cast Iron Soil Pipe. Fiberglass-Reinforced Plastic (FRP) Pipe. Purple Non-Potable Water Pipe. 2018 Mechanical Contracting Education and Research Foundation.
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