Siemens 171C-10321S 2W 1-1/4", 100CV BALL VALVE ASSY, STAINLESS STEEL BALL, STEM, 0-10V NSRSiemens 171C 10321S This 599 Series 2 way ball valve with a 0 10 Vdc control fail in place 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 1 4 inch valve is 100 Cv, full port valve without flow characterizer insert, with stainless steel ball and stem, and an operating handle that can manually
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