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Ngongo Tukunga (Ngongo Tukunga Rapa / Ngongo Keri)
Ko ngā ngongo tuku wai ka tāutahia ki roto i te paipa matua o te mīhini keri wai, ā, he whānuitia te whakamahinga i roto i te kaupapa keri wai. Ka whakamahia ēnei hei kawe i ngā ranunga o te wai, te paru me te onepu. Ka whakamahia ngā ngongo tuku wai ki ngā paipa mānu, ki ngā paipa raro wai me ngā paipa uta, he wāhanga nui ēnei o ngā paipa keri wai.
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Ngongo Tuku me te Nipple Rino (Ngongo Keri)
He mea hanga te Paipa Tukunga me te Nipple Rino i te arai, ngā papa whakakaha, te uhi o waho me ngā hononga paipa i ngā pito e rua. Ko ngā rauemi matua o tōna arai ko te NR me te SBR, he tino ātete ki te kakahu me te ātete ki te tawhito. Ko te rauemi matua o tōna uhi o waho ko te NR, he tino ātete ki te huarere, ki te waikura me ētahi atu āhuatanga tiaki. Ko ōna papa whakakaha he mea hanga ki ngā taura muka kaha. Ko ngā rauemi o ōna hononga ko te maitai waro, te maitai waro kounga teitei, me ētahi atu, ā, ko ō rātou tohu ko te Q235, Q345 me te Q355.
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Ngongo Tukunga me te Flange Hanawiti (Ngongo Keri)
He mea hanga te Paipa Tukunga me te Flange Hanawiti mai i te arai, ngā papa whakakaha, te uhi o waho me ngā flange hanawiti i ngā pito e rua. Ko ōna rauemi matua he rapa maori, he kakahu me te maitai Q235, Q345 rānei.
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Ngongo Mānu Katoa (Ngongo Tukunga Mānu / Ngongo Keri)
He mea hanga te Ngongo Mānu Katoa i te arai, i ngā papa whakakaha, i te koti mānu, i te uhi o waho, me ngā hononga maitai waro i ngā pito e rua. He hoahoa ahurei te koti mānu, e whakakotahi ana i te ngongo me te ngongo, e whakarite ana i te pūmau me te tohatoha. He mea hanga te koti mānu ki te rauemi pahuka pūtau-kati, he iti te mimiti wai, ā, e whakarite ana i te pumau me te pumau o te pūmau o te ngongo.
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Ngongo Mānu Whakarara (Ngongo Mānu Haurua / Ngongo Keri)
He mea hanga te Ngongo Mānu Whakapiko i te arai, i ngā papa whakakaha, i te koti mānu, i te uhi o waho me ngā hononga ngongo i ngā pito e rua, ka taea te urutau ki ngā hiahia o ngā paipa keri mānu mā te whakarerekē i te tohatoha o te pūmau. Ko tōna āhua he kōniko haere.
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Ngongo Whakarerekē-Pīnaki (Ngongo Tukunga Rapa / Ngongo Keri)
Ko te Ngongo Whakarerekē-Pae he ngongo rapa mahi i hangaia i runga i te ngongo tuku rapa, he mea hanga motuhake hei whakamahi i ngā tūranga piko koki nui i roto i ngā paipa tuku. Ko te nuinga o te wā ka whakamahia hei ngongo whakawhiti e hono ana ki te paipa tere me te paipa ruku wai, ki te paipa tere me te paipa uta rānei. Ka taea hoki te whakamahi i te tūranga o te paipa e whiti ana i te tāwharau, i te pareparenga wai rānei, i te kei rānei o te waka keri.
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Ngongo Mānu (Ngongo Tukunga Mānu / Ngongo Keri)
Ka tāutahia ngā Ngongo Mānu ki runga i te raina matua tautoko o te waka keri, ā, e whakamahia ana mō ngā paipa mānu. He pai mō ngā pāmahana taiao mai i te -20℃ ki te 50℃, ā, ka taea te whakamahi hei kawe i ngā ranunga o te wai (te wai moana rānei), te paru, te paru, te uku me te onepu. Ko ngā Ngongo Mānu tētahi o ā mātou hua matua.
He mea hanga te ngongo mānu i te arai, i ngā papa whakakaha, i te koti mānu, i te uhi o waho, me ngā hononga maitai waro i ngā pito e rua. Nā te hoahoa ahurei o te koti mānu kua hangaia ki roto, he pūmau te ngongo, ā, ka taea te mānu i runga i te mata o te wai ahakoa he takoto kau, he āhua mahi rānei. Nō reira, ehara i te mea ko ngā āhuatanga o ngā Ngongo Mānu anake pērā i te ātete ki te pēhanga, te ngāwari pai, te ātete ki te kume, te ātete ki te kakahu, te mimiti ru, te ātete ki te koroheketanga, engari he mahi mānu anō hoki.
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Paipa Rino Mānu (Paipa Mānu / Paipa Keri)
He paipa rino mānu he mea hanga mai i te paipa rino, te koti mānu, te uhi o waho me ngā flange i ngā pito e rua. Ko ngā rauemi matua o te paipa rino he rino koranu ātete-mau Q235, Q345, Q355, neke atu rānei.
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Pēke Whakarewa (Pēke Whakarewa mō te Tātari Paipa)
He paipa whakarewa te mea hanga ki te paipa rino, ki te koti whakarewa, ki te uhi o waho me ngā mowhiti pupuri i ngā pito e rua. Ko te mahi matua o te Paipa Whakarewa he tāuta ki runga i te paipa rino hei whakarato i te pūmautanga kia taea ai e ia te whakarewa i runga i te wai. Ko ōna rauemi matua ko te Q235, te pahuka PE me te rapa taiao.
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Ngongo Ārai (Ngongo Keri Ārai)
He mowhiti maitai ātete-kakahu kei roto i ngā Ngongo Ārai. He mea hanga motuhake ēnei mō ngā āhuatanga mahi uaua, pērā i te kawe i ngā rauemi koi me ngā rauemi mārō pērā i ngā toka korara, ngā toka kua pakaru, te konganuku, me ētahi atu, kāore e taea e ngā ngongo keri noa te tu roa. He pai ngā Ngongo Ārai mō te kawe i ngā matūriki koki, mārō me ngā matūriki nunui.
E whakamahia whānuitia ana ngā Ngongo Ārai, ko te nuinga hei tautoko i ngā paipa o ngā mīhini keri, hei runga rānei i te arawhata tapahi o te Mīhini Kerēke Momi Tapahi (CSD). Ko ngā ngongo ārai tētahi o ngā hua matua o te CDSR.
He pai ngā Ngongo Ārai mō ngā pāmahana taiao mai i te -20℃ ki te 60℃, ā, he pai hoki mō te kawe i ngā ranunga wai (wai moana rānei), paru, paru, uku me te onepu, kei te rerekē te taumaha motuhake mai i te 1.0 karamu/cm³ ki te 2.3 karamu/cm³, he tino pai mō te kawe i te kirikiri, te toka pakarukaru me ngā toka korara.
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Ngongo Momi (Ngongo Momi Rapa / Ngongo Keri)
Ko te nuinga o ngā ngongo ngongo ka whakamahia ki te ringa tō o te Trailing Suction Hopper Dredger (TSHD) me te arawhata tapahi o te Cutter Suction Dredger (CSD). Ki te whakatauritea ki ngā ngongo tuku, ka taea e ngā ngongo ngongo te tu atu i te pēhanga kino me te pēhanga pai, ā, ka taea te mahi tonu i raro i ngā āhuatanga piko hihiri. He ngongo rapa nui ēnei mō ngā mīhini keri.
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Hononga Whānui (Whakakapinga Rapa)
Ko te hononga whānui e whakamahia ana i runga i ngā mīhini keri wai hei hono i te papu keri wai me te paipa, me te hono i ngā paipa i runga i te papa. Nā te ngāwari o te tinana o te ngongo, ka taea e ia te whakarato i tētahi nui o te whānui me te whakaheke hei whakakapi i te āputa i waenga i ngā paipa, me te whakahaere i te tāutanga me te tiaki i ngā taputapu. He pai te pānga mimiti ru o te hononga whānui i te wā e whakahaerehia ana, ā, he mahi tiaki hoki mō ngā taputapu.




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