The NIBCO® Press System® is user friendly, quick and easy to install. When properly crimped a unique N witness mark is clearly visible. The lead-free Ball Valve is specifically designed for use in systems that deliver water for human consumption. Please refer to NIBCO® technical data sheets and catalogs for engineering and installation information. NIBCO® Press System® applies the proven performance of press technology to NIBCO® valves and fittings - the most specified flow control products in the industry. The NIBCO® Press System® features a full range of precision engineered copper fittings, bronze valves, accessories, pressing tools, jaws and chains. Because of its longstanding reputation for innovation and precision in design and manufacturing, NIBCO® is the preferred brand in the industry.