Siemens 171E-10312 2W 1", 10CV BALL VALVE ASSY, CHROME-PLAT BRASS BALL & BRASS STEM, 2-POS, NO, SR

This 599 Series 2-way ball valve with a 2-position control, normally open, fail safe actuator assembly, providing 200 psi close-off, is used to control hot or chilled water and up to 50% Glycol solution in convectors, fan coil units, unit conditioners, radiation and reheat coils. This 1-inch valve is 10 Cv, equal percentage flow characteristic, with chrome-plated brass ball and brass stem, and an operating handle that can manually operate the valve in the event of power failure.