Siemens 245-00210 ZONE VALVE, 2-WAY, 1/2", 1.0 CV, NPT W/ 24VAC 0-10VDC NSR ACTUATORSiemens 245 00210 Zone valve, 2 way, 1 2", 1. 0 Cv, NPT w 24Vac 0 10Vdc NSR actuatorZone valve and actuator assembly. 2 way valve body; NPT connection; Line size 0. 50 inch; Flow rate 1. 0 Cv; SSA61U 0 10Vdc, non spring return actuator, 24Vac, normally closed Additional Information Valve TypeTwo way Valve Body StyleStroke Globe Port Configuration2 Way Normally closed End ConnectionNPT Material, valve bodyBrass Material, inside setTrim: Brass , Stem: