I-valve yebhola yensimbi engagqwali wuhlobo olusha lwevalvu esetshenziswa kabanzi. Umgomo wokusebenza we-valve yebhola yensimbi engagqwali ukuzungezisa umgogodla we-valve ukwenza i-valve ingavimbeki noma ivinjwe. Ama-valve ebhola ensimbi angenasici kulula ukuwashintsha, amancane ngosayizi, angenziwa abe ngamadayimitha amakhulu, abe nokubeka uphawu okuthembekile, isakhiwo esilula, nokugcinwa kalula. Indawo yokuvala kanye nendawo eyindilinga ihlala isesimweni esivaliwe futhi ayiguguleka kalula yi-medium. Zisetshenziswa kabanzi ezimbonini ezahlukahlukene.