Sevelat valwato

Nau'in bawularal
Classign da ya danganta da yanayin sarrafa bawul na Valve yana nufin rarrabuwar kawuna gwargwadon ƙarfin lantarki, da injin na inji, tor Servo Motar lantarki, da sauransu, da sauransu.
(1) Nau'in lantarki
Nau'in lantarki yana nufin bawul ɗin Valve ta amfani da sifar Eleelromagnet azaman kayan juyawa na lantarki, da kuma ficewa na lantarki. Sannan sarrafa matsin lamba, kwarara da sigogi.
(2) nau'in wutar lantarki
Nau'in da ake amfani da shi yana nufin bawul din ta amfani da motar DC Servo azaman ƙayyadadden injin lantarki, da kuma motar DC Servo zai shigar da siginar wutar lantarki. Canza zuwa saurin motsi, sannan ta hanyar mirgine gru, kayan rack ko kuma ƙarfin rage na'urar.
(3) electrydraulic
Nau'in hayaƙin lantarki yana nufin bawul ɗin bawul ɗin tare da tsarin motar torque da ƙuƙwalwar ƙwayar cuta kamar yadda Pilot Pilot mataki. Hanyoyin lantarki daban-daban zuwa motar torque, da fitowar fitarwa ko kuma gudun hijira tsakanin bodfle da bututun mai, don haka sarrafa man inptory.