He aha ngā āhuatanga o ngā ngongo whakawhiti wera kowiri tira?
Ngā rahi e whakamahia whānuitia anangā ngongo whakawhiti wera(OD x matotoru o te pakitara) ko ngā ngongo maitai tui kore Φ19mmx2mm, Φ25mmx2.5mm me Φ38mmx2.5mm me ngā ngongo maitai kore waikura Φ25mmx2mm me Φ38mmx2.5mm.
Ko ngā roa paerewa ko 1.5, 2.0, 3.0, 4.5, 6.0, 9.0m, me ētahi atu (ko te Φ25mmx2.5 te whakatakotoranga e whakamahia whānuitia ana)
He ātete wai iti te diameter, he horoi tonu, he ngāwari te aukati hanganga. Ko ngā diameter nui e whakamahia whānuitia ana mō ngā wai matotoru, paru rānei, ā, ko ngā ngongo diameter iti e whakamahia ana mō ngā wai ma.
Wā tuku: Pipiri-26-2018