Ama-valve epulaki e-DBB agcina isikhala, anciphisa isidingo sezinhlelo ezibizayo ezinama-valve amaningi, futhi anikeze amandla okuvuza u-zero ukusuka phezulu kuya phansi. ukuvimba nokopha kanye nokuhlukaniswa okuphindwe kabili kanye nevalvu yokusiza ingasetshenziselwa izinhlelo zokusebenza nezimakethe ezihlukahlukene, njengegesi yemvelo ewuketshezi, i-petrochemical, ukudluliselwa nokugcinwa, inqubo yemboni yegesi, umqondisi namavalvu ahlukahlukene kumapayipi awuketshezi, kanye nepayipi lomkhiqizo ocolisisiwe.I-DBB i-valve yepulaki yakhelwe ukusetshenziswa kumapayipi oketshezi anemigudu nezici zokuphuma ezikabili kanye nezindawo zokuhlala ezivikelwe ngokugcwele.
I-valve yepulaki ye-DBB isetshenziswa ezinhlelweni ezidinga ukuhlukaniswa okubalulekile ukuze kuqinisekiswe ukuthi akukho ukuvuza okwenzekayo.Iziphi izinhlobo zokukhetha ezincike ohlotsheni lohlelo lokusebenza nesevisi.Isibonelo, endleleni yamanzi noma eduze kwedolobha lesevisi yoketshezi, i-valve yokwandisa kabili Ukuthuthukisa ikhono le-DBB lokuzihlukanisa okubalulekile, njengoba zinikeza uphawu lomshini oluqinile olukhuphuka nomfula kanye kanye, ngokuvamile alithintwa izinguquko zengcindezi noma ukudlidliza.