I-valve yesango lomoyauhlobo lwevalvu yokulawula esetshenziswa kabanzi emkhakheni wezimboni, esebenzisa ubuchwepheshe obuthuthukisiwe bomoya kanye nesakhiwo sesango, futhi inezinzuzo eziningi eziyingqayizivele. Okokuqala, ivalvu yesango lomoya inesivinini sokuphendula esisheshayo, ngoba isebenzisa idivayisi yomoya ukulawula ukuvulwa nokuvalwa kwevalvu, okungashesha ukufeza isenzo sokushintsha, ngaleyo ndlela kuthuthukiswe ukusebenza kahle komsebenzi. Okwesibili, ukuvalwa kwevalvu yesango lomoya kuhle, futhi kwamukelwa isakhiwo esikhethekile sokuvala phakathi kwesango nesihlalo, esingavimbela ngempumelelo ukuvuza futhi siqinisekise ukuphepha kohlelo.

Ngaphezu kwalokho, amavalvu esango lomoya anikeza ukuqina okuphezulu nokuthembeka. Inesakhiwo esilula, izingxenye ezimbalwa, futhi ayithambekeli ekuhlulekeni, ngakho-ke inempilo ende yesevisi. Ngesikhathi esifanayo, ngenxa yokusetshenziswa kwedivayisi yomoya, ukusebenza kuyaguquguquka futhi kulula, futhi akudingeki umzamo omkhulu ukulawula ukuvulwa nokuvalwa kwevalvu, okunciphisa amandla okusebenza omqhubi. Ngaphezu kwalokho, ivalvu yesango lomoya nayo inenzuzo yezinga eliphezulu lokuzenzakalela, elingaxhunyaniswa nohlelo lokulawula ukuze kufezwe ukulawula okuzenzakalelayo nokuthuthukisa ukusebenza kahle kokukhiqiza.

Umgomo wokusebenza kwe-pneumaticivalvu yesangokungokulandelayo: lapho idivayisi yomoya isebenzisa umfutho womoya, ivalvu yomoya ithumela umoya ocindezelwe egumbini lomoya emzimbeni wevalvu, ukuze umfutho ekamelweni lomoya ukhuphuke, futhi isango likhuphukele phezulu ngaphansi kwesenzo somfutho, ngaleyo ndlela livule ivalvu; Lapho idivayisi ye-pneuma.tic iyeka ukusebenzisa umfutho womoya, umfutho ekamelweni lomoya uyancipha, futhi i-ram iyehla ngaphansi kwamandla esihlalo, ivala ivalvu. Ngokulawula idivayisi yomoya ukuthi isebenzise futhi iyeke ukusebenza komfutho womoya, ukuvulwa nokuvalwa kwevalvu kungalawulwa.

Ngamafuphi, i-valve yesango lomoya inezinzuzo zokuphendula okusheshayo, ukuvala okuphezulu, ukuqina nokuthembeka, ukusebenza okulula kanye nokwenza izinto ngokuzenzakalela okuphezulu. Isetshenziswe kabanzi emikhakheni eminingi, njengamakhemikhali, amandla kagesi, uphethiloli, i-metallurgy kanye neminye imboni, okuhlinzeka ngesisombululo esisebenzayo sokulawula uketshezi enqubweni yokukhiqiza.