ʻO ka wehewehe pōkole:

ʻO ka wehewehe ʻana o ka huahana: ʻae ʻia ka pahu hoʻopaʻa laina i hoʻokahi ala kahe a pale i ke kahe hope o nā wai i loko o ka pipeline. ʻO ka maʻamau, e hana maʻalahi ana ka valve check, ma lalo o ka hana kaomi o ka kahe o ka ʻaoʻao hoʻokahi, wehe ka disc, ʻoiai ke kahe ka wai, e ʻoki ka pahu. ʻO ka pōleʻa PTFE paʻa ma ka uhi o ke kino valve e hōʻoiaʻiʻo i ka holo ʻana o ka pōleʻa i ka noho ma muli o ka umekaumaha. Ke ala pili: Flange, Wafer Lining mea: PFA, PTFE, FEP, GXPO etc