Valve ea ho hlahloba ea flapper ea API 6A e sireletsehileng le e tšepahalang

Ho hlahisa li-valve tsa Check, li sebelisoa meleng e nang le khatello e phahameng ho laola phallo ea tsela e le 'ngoe le ho thibela mokelikeli ho khutlela ka har'a phaephe, ha ka nako e ts'oanang ho sireletsa mohala oa phaephe le polokeho ea lisebelisoa. Karolo ea mantlha ea valve ea check e entsoe ka tšepe e sa hloekang e nang le litšobotsi tse tsoetseng pele tsa khoholeho le ho halefa. Litiiso li sebelisa vulcanization ea bobeli e fellang ka ho koaloa ho hoholo. Re ka fana ka li-valve tsa check tse kenang ka holimo, li-valve tsa check flapper tse ka har'a mola le li-valve tsa check dart. Li-valve tsa check flapper li sebelisoa haholo-holo maemong a motsoako o tiileng oa mokelikeli kapa mokelikeli. Li-valve tsa check dart li sebelisoa haholo-holo ka khase kapa mokelikeli o hloekileng o nang le boemo bo tlase ba viscosity.