I. Rauemi me te Pakitara o Roto
Ngā Rauemi e tika ana: Ngā konganuku (maitai/rino maka/maitai kore waikura), ngā kirihou (PVC/PE), te karāhe, me ētahi atu rauemi mārama oro.
Pakitara o Roto: Āraia te waikura nui, te tauine rānei (ka pā te ngoikore o te tohu). Te taratara ≤0.5mm. Me ōrite te āhua o ngā rauemi kore-whakarewa, kāore he mirumiru.
II. Te whānui me te matotoru o te pakitara
Awhe Diameter: DN20–DN6000. Ngā ine auau-teitei mō ngā diameter iti; hangarau maha-ara mō ngā diameter nui.
Matotoru o te Pakitara: ≤50mm te konganuku; ≤100mm te kore-konganuku (me nui ake te kaha, me tāuta rānei he momo whakauru mō ngā pakitara matotoru).
III. Ngā Whakatakotoranga me ngā Paninga
Ngā arai: E whakaaetia ana ngā arai ōrite (hei tauira, te rapa/PTFE), me piri pūmau, kaua e wehea. E mōhiotia ana te matotoru (e tautokona ana te whakataurite).
Paninga: Ko ngā paninga o waho he ≤5mm te matotoru, he maeneene, ā, kāore he kōhao (he mea nui mō te hononga pūwero).
IV. Ngā Āhuatanga o te Tāutanga me te Wai
Ngā Rerenga Paipa Tika: Ki runga ≥10D (≥20D tata ki ngā raruraru), ki raro ≥5D. Whakaritea ngā paipa poutū (rere ki runga).
Ngā Herenga Wai: He pai mō ngā wai ma, ngā wai totoka iti/hau rānei (ngā matūriki ≤100mg/L, ≤1mm; ngā mirumiru ≤5%). Āta karohia ngā hau, te mamaoa, ngā rerenga pupuhi rānei.
V. Te Pāmahana me te Pēhanga
Pāmahana: Ngā ine paerewa: -35°C–200°C. Me whai ine motuhake, i ngā pūnaha whakamatao rānei ngā tono pāmahana teitei.
Pēhanga: Kāore he here i roto i te ariā, engari kia mau te whakamau i ngā pūwero me te kore turuturu o ngā pakitara mō ngā paipa pēhanga teitei.
Wā tuku: Pipiri-04-2025