Siemens 172K-10304S SKU: 172K-10304S $242.65 $638.56 Quantity -+ Limited Factory Stock Details 2-Way 1/2" Ball Valve, Cv 2.5, Stainless Steel Ball and Stem, 200 psi Close-Off, Spring Return Damper Actuator, Normally Closed, 24 VAC/DC, 20 in-lb, ... Data Sheet Installation Instructions DetailsData SheetInstallation Instructions Back 2-Way 1/2" Ball Valve, Cv 2.5, Stainless Steel Ball and Stem, 200 psi Close-Off, Spring Return Damper Actuator, Normally Closed, 24 VAC/DC, 20 in-lb, Modulating 2-10 VDC, 30 Second Run Time, 15 Second Spring Return, NEMA 1 Enclosure, 3' Plenum Cable Back Back Stocked items ship in 1 business day. Factory items typically ship in 3-5 business days (estimate only). Actual times may vary.Email sales@energycontrol.com for more information.