Siemens 172J-10311S 2W 3/4", 25CV BALL VALVE ASSY, STAINLESS STEEL BALL, STEM, FLOAT, NC, SRSiemens 172J 10311S This 599 Series 2 way ball valve with a floating control, normally closed, 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 3 4 inch valve is 25 Cv, full port valve without flow characterizer insert, with stainless steel ball and stem, and an operating handle that can
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