... valve)Control mode:2,3,5 wires(CR01/02/03/04/05/06) Control Way:on/off,open autimatically when power ... 1 1/4" ,8mm,10mm,15mm,20mm,25mm,32mmSpecial function:Position indicator;quick opensignal feedback,manual overridefail safe(auto-return) functionTorque output ... work volatge 3.Electrical limit and machinery limit design,accurate position,avoid gear with switch.4.Excellent sealing performance what ...