Xa ivalve ejikeleza kabini ifuneka ukulawula ukuqukuqela ukuya phambili kunye nokuthintela ukubuya umva, ivalve ye-NSEN yesinyithi ehleli i-bi-directional butterfly valve lukhetho lwakho.Ukutywinwa kwamkela isinyithi ngokupheleleyo kwisakhiwo sesinyithi, olu luhlu lusetyenziswa kakhulu kwiSicwangciso saMandla, ukufudumeza okuPhakathi, kwishishini le-oyile kunye negesi.Wamkelekile ukuba uqhagamshelane nathi ukuze ufumane ikhathalogu okanye wenze ngokwezifiso ivalve yeprojekthi yakho.