Qalabka 'sollodoid vall' oo ah isku-darka qulqulka guud iyo kala duwanaanshaha cadaadiska ee shaqadu aad ayuu u yar yahay. Tusaale ahaan, wadarta guud ee qulqulka guud ee 25 valve-ka solonoid ah ayaa ka yar 15-ka kubbadda korantada ee kumbuyuutar ee Valve.Solenoid Valve-ka waxaa kaxayn kara saameynta solnoid ah, oo ay u badan tahay in ay waxyeello gaarto, oo ay ka shaqeeyaan sidii loo beddelay
Valve-ka korantada guud ahaan waxaa kaxayn kara mooto, u adkaysi u leh korantada.
Vall Valve-ka guud waa dib loo bilaabi karaa, laakiin waalka korantada waa in lagu daro aaladda dib-u-dejinta.
