Bawul ɗin iska mai hanya 3 nau'in bawul ne da ake amfani da shi don sarrafa kwararar iska a cikin tsarin pneumatic. Yawanci yana da tashoshin jiragen ruwa guda uku: tashar shiga, tashar fitarwa, da tashar shaye-shaye. Ana iya saita bawul ɗin a wurare daban-daban don jagorantar kwararar iska tsakanin waɗannan tashoshin jiragen ruwa.
Anan ga ainihin bayanin yadda bawul ɗin iska mai hanya 3 ke aiki:
Matsayi na al'ada: A cikin matsayi na al'ada, bawul ɗin yana jagorantar jigilar iska daga tashar shiga zuwa ɗaya daga cikin sauran tashar jiragen ruwa guda biyu, yayin da tashar ta uku ta kasance a rufe ko an haɗa shi da shaye-shaye. Ana kiran wannan matsayi a matsayin tsoho ko matsayi na hutawa.
Aiki: Lokacin da bawul ɗin ya kunna, ko dai da hannu ko ta hanyar waje kamar solenoid, yana canzawa zuwa wani wuri dabam. Wannan yana sake daidaita hanyoyin zirga-zirgar iska, yana jagorantar iska daga tashar shiga zuwa tashar da aka rufe a baya, yayin rufe hanyar asali ko kuma jagorantar shi zuwa shaye-shaye.
Madadin Matsayi: A cikin matsayi na dabam, ana jujjuya iska daga tashar shigarwa zuwa tashar jiragen ruwa daban-daban fiye da matsayi na al'ada. Wannan na iya zama tashar fitarwa ko tashar shaye-shaye, dangane da ƙira da buƙatun aikace-aikace.
Sarrafa: Ana iya sarrafa jagorancin iska ta hanyar bawul ɗin da hannu ta amfani da lefa ko ƙwanƙwasa, ko ta atomatik ta amfani da na'urar kunna wutar lantarki ko na huhu. A cikin na'urori masu sarrafa kansa, na'urori masu auna firikwensin ko na'urori masu sarrafa dabaru (PLCs) na iya sarrafa bawul don cimma madaidaicin iko akan aikin na'urar huhu.
Gabaɗaya, bawul ɗin iska na 3 yana ba da hanya mai sauƙi amma mai tasiri don sarrafa jagorancin iska a cikin tsarin pneumatic, yana ba da damar kunnawa da kashe na'urorin pneumatic irin su cylinders, actuators, da bawuloli masu sarrafawa.
