The NIBCO® bronze ball valve features a multi-turn operator which is equipped with internal monitor switches to prevent tampering. These valves are typically used on automatic fire sprinkler system, as the floor control valve. The valve is listed by UL for use indoor and outdoor service. The two-piece valve features IPS grooved ends for easy installation. Please refer to NIBCO technical data sheet, valve selection guides and catalog for engineering and installation information. Choose NIBCO®more ball valves for the most specified, versatile and economical valve option in commercial, mechanical, fire protection and industrial applications. NIBCO® ball valves are backed by the NIBCO INC. 5-year 125% limited warranty. less