The NIBCO® carbon steel ball valve provides ease of operation with quarter-turn (90 degrees) open to close. The valve provides bubble-tight shutoff at 2000 PSI (sizes 1/2-inch to 1-inch) and 1500 PSI (sizes 1-1/4-inch to 2-inch). The one-piece valve may be used on hot/cold water, HVAC, and is recommended for process piping, some chemical and utility service applications. It may be used for isolation and throttling (half open to full open only). Please refer to NIBCO technical data sheets, valvemore selection guides, chemical resistance guide and catalog for engineering and installation information. Choose NIBCO® ball valves for the most specified, versatile and economical valve option in commercial and industrial applications. NIBCO® ball valves are backed by the NIBCO INC. 5-year 125% limited warranty. less