Royal Pipe Systems™ Rigid PVC Conduit pipe and fittings can be used in exposed, concrete encased and underground applications. Our conduit pipe is certified to CSA Standard C22.2 No. 211.2 and has an FT-4 rating. Our conduit fittings are CSA Standard C22.2 No. 18, 40, 85 and 94 certified. Rigid PVC conduit pipe and fittings are available in 13mm - 150mm (½” - 6”) diameters.