Our complete line of high-purity PFA weldable Fuse-Bond pipe fittings are designed to be compatible with our Furon Fuse-Bond "schedule 40" pipe. Saint-Gobain's patented system of alignment marks at every 45 degrees, maintains precise alignment of fittings during assembly and welding, are faster and easier to use, and ensure that welded assemblies are consistent and repeatable. A wide variety of configurations and sizes are available in 1/4", 1/2" 3/4", 1" and 2".