I-valve yokuhlola ipuleti elibili futhi ebizwa ngokuthi i-wafer type butterfly check valve, i-valve yokuhlola i-swing.Tuhlobo lwakhe lwe-vavle yokuhlola lunomsebenzi omuhle ongabuyi, ukuphepha nokuthembeka, i-coefficient yokumelana nokugeleza okuncane.It isetshenziswa kakhulu ku-petroleum, amakhemikhali, ukudla, ukuhlinzekwa kwamanzi kanye ne-drainage, kanye nezinhlelo zamandla.Izinhlobonhlobo zezinto ezitholakalayo, njenge-cast iron, i-ductile iron, insimbi engagqwali nokunye.