Hlahloba valveke ho itšetleha ka ho phalla ha seaplane ka boeona 'me ka boeona ho bula le ho koala li-valve disc, e sebelisetsoang ho thibela phallo ea mecha ea phatlalatso ea morao-rao, e tsejoang hape e le valve ea ho hlahloba, valve ea tsela e le 'ngoe, valve ea countercurrent le valve ea khatello ea morao. Ho hlahloba valve ke mofuta oa valve o itekanetseng, mosebetsi oa oona o ka sehloohong ke ho thibela ho khutla ha mecha ea litaba, ho thibela pompo le ho khanna koloi, hammoho le ho tsoa ha setshelo.

Newsway Valve Company ke moetsi ea hloahloa oa li-valve tsa ho hlahloba li-wafernaheng ea China. Tsa ronavalve ea ho hlahloba lipoleiti tse pelile li-valve tsa ho hlahloba poleiti e le 'ngoe li fumaneha ka tšepe e entsoeng ka tšepe, tšepe ea ductile, tšepe e sa hloekang, tšepe ea duplex, tšepe e kholo ea duplex, bronze ea aluminium le lisebelisoa tse ling tse khethehileng tsa alloy. Boholo ho tloha ho 1/2″ ho isa ho 24″, likhatello CLASS 150 ho CLASS 2500LB, litulo tse fumanehang ho NBR, EPDM, PTFE, STELLITE, alloy steel, joalo-joalo Qetella khokahanyo ho Wafer, Lug le Flanged.

Li-valve tsa ho hlahloba tsa NEWSWAY VALVE COMPANY li fokotsa lintho tse sebelisoang, li fokotsa litšenyehelo tsa tlhahiso le tahlehelo ea matla nakong ea ts'ebetso, e leng se loketseng ho sireletsa tikoloho le ho boloka matla. Karabelong ea bobuelli ba ho baballa matla le phokotso ea moea, e tsoela pele molemong oa ho ntlafatsa ts'ebetso ea matla le ho fana ka litšupiso bakeng sa moralo le taolo ea boenjiniere.