Siemens 172E-10322S 2W 1-1/2", 25CV BALL VALVE ASSY, STAINLESS STEEL BALL, STEM, 2-POS, NC, SRSiemens 172E 10322S This 599 Series 2 way ball valve with a 2 position 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 1 1 2 inch valve is 25 Cv, equal percentage flow characteristic, with stainless steel ball and stem, and an operating handle that can manually
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