Siemens 335-04315-25 PICV, 1-1/2", NO, 25 GPM MAX FLOW PRESET, SAY ACTUATOR, 0-10V OR 4-20 MA, NSRSiemens 335 04315 25 PICV, 1 1 2", NO, 25 GPM max flow preset, SAY Actuator, 0 10V or 4 20 mA, NSRPressure Independent Control Valve, 1 1 2 inch, Normally Open, preset to 25 GPM maximum flow (field adjustable), with 24 Vac Electronic SAY Actuator, 0 10V or 4 20 mA, NSR Additional Information Valve TypeTwo way Valve Body StyleStroke Globe Port Configuration2 Way Normally open End ConnectionNPT Connecting threadInternal NPT thread Material, valve