Check valve ke mofuta oa valve e ipulelang le ho koala ka bo eona ka matla a sehare ka boeona. Li-valve tsa ho hlahloba li sebelisoa haholo-holo ho thibela ho khutla ha mecha ea litaba. Hang ha metsi a phalla morao, valve ea ho hlahloba e koala. Li-valve tsa ho hlahloba hangata li arotsoe ka li-valve tsa ho phahamisa le li-valve tsa ho hlahloba.
Phahamisa Cheka Valve (Globe Check Valve): Sesepa sa ho phahamisa Check Valve hangata se tsamaea haufi le mohala o otlolohileng oa 'mele oa cheke. Li-valve tsa cheke tse phahamisang li ka aroloa ka mehlala e otlolohileng le e otlolohileng. The lift check valve e entsoe ka 'mele, bonnet, stem, setulo le spool.
Swing check valve (pivotal check valve): Disc ea swing check valve hangata e pota-potile phini ka ntle ho setulo. Swing check valve e ka aroloa ka mefuta e meraro: valve e le 'ngoe, valve e habeli le li-valve tse ngata. The pivotal check valve e entsoe ka 'mele, sekoahelo, shaft e bilikang le poleiti e phaphathang.
Valve ea ho hlahloba e sebetsa ho latela phetoho ea khatello ea mokelikeli oa raccoon ka boeona, 'me e thibela mecha ea litaba ho khutlela morao. E sebelisoa haholo liphaepheng tsa phepelo ea metsi.
Belofo e ka tlase e monyang ke mofuta oa valve ea ho hlahloba. Belofo ea ho phahamisa e tlase e na le ts'ebetso e ntle ea ho tiisa le lerata le tlase. Ka kakaretso e sebelisoa liphaepheng tse tšekaletseng tse nang le bophara bo ka tlase ho 200 mm. Li-valve tse tlase tsa swing suction li atisa ho sebelisoa liphaepheng tse otlolohileng kapa tse kholo tsa bophara ka lebaka la ho koala ha tsona hantle le lerata le phahameng. Belofo e ka tlase ea ho monya e kentsoe qetellong ea phala e monyang ea pompo, 'me e hokahanngoa le phaephe ka likhopo tse ka hare kapa li-flanges.