Mu machitidwe a mapaipi a mafakitale, ma valve amagwira ntchito yofunika kwambiri. Monga mtundu wamba, ma valve agulugufe amagwiritsidwa ntchito kwambiri m'mafakitale ambiri monga mankhwala amadzi, makampani opanga mankhwala, mafuta a petroleum, ndi magetsi chifukwa cha kapangidwe kawo kakang'ono, ntchito yosavuta, komanso yotsika mtengo. Monga dera lotukuka m'mafakitale, ma valve agulugufe opangidwa kumeneko amakondedwa ndi msika chifukwa chapamwamba komanso kudalirika kwawo.