Kraloy PVC couplings can be used with SCH 40 and SCH 80 rigid PVC conduit/duct to create a solvent weld connection. Engineered to be concrete and weather-tight, Kraloy couplings are nonconductive assuring a safe system. Resistant to sunlight and listed for exposed or outdoor usage, non-metallic PVC fittings are durable and will not rust or corrode.