Siemens 599-10357S 599 SERIES 3-WAY, 1/2", 10 CV STAINLESS STEEL BALL VALVESiemens 599 10357S 599 Series 3 way, 1 2", 10 Cv Stainless Steel Ball ValveThis 599 Series 3 way ball valve is used to control hot or chilled water and up to 50% Glycol solution in air handlers, convectors, fan coil units, unit conditioners, radiation and reheat coils. This 1 2 inch valve is 10 Cv, with stainless steel ball and stem. This 599 Series 3 way ball valve is used to control hot or chilled water and up to 50% Glycol solution in air handlers,