TOFINE Capacitor-return Spring-return or Auto-return motorized ball valves,when power is removed,the valve can automatically return to open or close position by the way of built-in capacitor,this kind of valve is also named Normally closed or Normally open valves,
It require 2-wire,3-wire or 5-wire to power it, below picture is for the 3-wire valve,

Size:1/4",1/2",1",1-1/4",1-1/2",2"
Material: Brass or Stainless steel
Voltage: 5V,12V,24V,110-230V
Wiring: 2-wire,3-wire or other wirings
Please confirm what configuration you want,
 

Other specs are also available now,if you need to know more info please contact us at Email: sales@flow-controls.com, www.flow-controls.com