Siemens SAV61.00U PICV ACTUATOR, 24 VAC, 0-10 VDC OR 4-20 MA PROP CONTROL, NON-SPRING RETURNSiemens SAV61. 00U PICV Actuator, 24 Vac, 0 10 Vdc or 4 20 mA Prop Control, Non Spring Return The SAV Valve Actuator is used with PICV Valves with 1 1 2 inch stroke. This electronic valve actuator requires 24 Vac supply to provide 0 to 10 Vdc or 4 20 mA proportional control of the valve. Other features of this valve actuator include UL listed for plenum installations, direct coupled installation requires no special tools or adjustments, manual