171C-10305 | 2W 1/2", 4Cv ball valve assy, chrome-plated brass ball & brass stem, 0-10V NSR | Siemens Building Technology

1/2" 2w Ball Valve: 4Cv NSR PROP [sku]Siemens Building Technology's 171C-10305 is a 1/2" two-way ball valve with a 4Cv flow coefficient and NSR (non-spring return) actuation. It features a brass body with EPDM seals and a stainless steel ball for corrosion resistance and durability. The valve is designed for use in commercial and industrial applications involving water, air, and other non-aggressive fluids, and has a maximum working pressure of 150 psi. Its NSR actuation allows for manual operation without the need for a spring, providing precise control over fluid flow. This valve is an excellent choice for isolation, throttling, and directional control applications in various industries, including HVAC, plumbing, and manufacturing.