Hāʻawi ʻo NSEN i ke ʻano bi-directional a me uni-directional no nā mea kūʻai aku, me ka pilina Wafer type, Double flange type, Lug type a me Butt Weld type.I mea e maʻalahi ai kāu koho valve, e hāʻawi ʻia ke kōkua ʻoihana ma hope o kou hoʻouna ʻana iā mākou i ke kūlana hana kikoʻī.E ʻike i kā mākou lawelawe ʻoiaʻiʻo, e hoʻouna i kāu nīnau i kēia manawa!