2-Way or 3-Way 2-1/2" Modulating Control Valve, Cv 58, 0 to 10V Control, Flanged, Spring Return Magnetic Actuator, 24 VAC/DC, 0-10 VDC/4-20 mA Output Signal, 2 Second Positioning Time (Additional shipping or handling charges may apply. Contact sales@energycontrol.com for a quote.)