Siemens 244-00211 ZONE VALVE, 2-WAY, 1/2", 2.5 CV, NPT W/ 24V FLOATING NSR ACTUATORSiemens 244 00211 Zone valve, 2 way, 1 2", 2. 5 Cv, NPT w 24V floating NSR actuatorZone valve and actuator assembly. 2 way valve body; NPT connection; Line size 0. 50 inch; Flow rate 2. 5 Cv; SSA81U 3 position, non spring return actuator, 24V, 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: