Hiki ke hoʻohana ʻia ka pāpū lele lele ʻo Flange centerline no ka pipeline flange type PN16, Class150 pipeline, kino hao pōleʻa, e kau ana i ka noho lāʻau, hiki ke hiki i ka 0 leakages, a he mea hoʻokipa maikaʻi loa ia.ʻO ka nui loa o ka midline flange butterfly valve hiki ke DN3000, hoʻohana maʻamau i ka lako wai a me ka hoʻokahe wai, nā ʻōnaehana HVAC, a me nā ʻōnaehana hydropower.