keleawewaferbutterfly valves, hoʻohana maʻamau i ka ʻoihana moana, maikaʻi ke kūpaʻa corrosion, maʻamau ʻo ke kino keleawe aluminika, ka pā keleawe keleawe alumini.ZFALoaʻa i ka valve ka ʻike valve moku, i Singapore, Malaysia a me nā ʻāina ʻē aʻe i hoʻolako i ka valve moku.