Savoir-Faire Merchandising Co. Manufactures End Cap for Industrial Pipe. Savoir-Faire Merchandising Co. Offers a wide range of PP-R pipes and fittings like sockets, elbows, tees, end cap, cross over, valves and union for various industrial applications. The End Cap for Industrial Pipe is available in various diaphragm ranges and comes in a variety of diameter sizes and lengths. The End Cap for Industrial Pipe Fitting is suitable for use in different types of pipes in industrial and domestic usages.