中文
Ngongo Tuku me te Nipple Rino (Ngongo Keri)
Hanganga me ngā Rauemi
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.
Ngā Āhuatanga
(1) He tino ātete ki te kakahu.
(2) He pai te ngāwari me te pakari taurite.
(3) Ka taea te noho kore arai ina piko ki ētahi nekehanga i te wā e whakamahia ana.
(4) Ka taea te hanga kia tu atu i ngā momo pēhanga.
(5) Mā ngā hiri flange kua hangaia ki roto ka pai te mahi hiri i waenga i ngā flange e hono ana.
(6) He ngāwari ki te tāuta, he haumaru, he pono hoki, he pai mō te whānuitanga o ngā mahi.
Ngā Tawhā Hangarau
| (1) Rahi Pūwero Ingoa | 200mm, 300mm, 400mm, 500mm, 600mm, 700mm, 800mm, 900mm, 1000mm, 1100mm, 1200mm |
| (2) Te Roa o te Ngongo | 1 m ~ 11.8 m (ātete: ±2%) |
| (3) Te Pēhanga Mahi | 2.5 MPa ~ 3.5 MPa |
| * Kei te wātea hoki ngā whakaritenga kua whakaritea. | |
Tono
Ko te Ngongo Tukunga me te Nipple Rino e whakamahia ana i roto i ngā paipa kawe waka matua e rite ana ki ngā mīhini keri i roto i ngā kaupapa keri. Koinei te ngongo e whakamahia nuitia ana i roto i ngā paipa keri. Ka taea te whakamahi i roto i ngā tūranga rerekē pēnei i te CSD (cutter motion dredger) kei muri, ngā paipa mānu, ngā paipa raro i te wai, ngā paipa uta, me te whakawhiti wai-whenua o ngā paipa. Ko ngā Ngongo Tukunga he mea hono tahi ki ngā paipa rino hei hanga paipa, ka taea e rātou te whakapai ake i te mahi piko o te paipa ki te whānuitanga nui, ā, he tino pai mō ngā paipa mānu e whakamahia ana i roto i ngā hau kaha me ngā ngaru nui. Mena me piko te paipa ki te nui o te nekehanga, me te whakamahi rānei i ngā wāhi he nui te hekenga teitei, ka taea te hono i ngā Ngongo Tukunga e rua, neke atu rānei i roto i te raupapa hei urutau ki ēnei āhuatanga piko. I tēnei wā, kei te whanake haere te Ngongo Tukunga me te Nipple Rino ki te ahunga o te diameter nui me te whakatauranga pēhanga teitei i roto i te tono.
E tutuki katoa ana ngā Ngongo Tukunga CDSR i ngā whakaritenga o te ISO 28017-2018 "Ngā ngongo rapa me ngā huihuinga ngongo, he waea, he kakahu rānei kua whakakahangia, mō ngā tono keri-Whakatakotoranga" me te HG/T2490-2011.
Kua hoahoatia, kua hangaia hoki ngā ngongo CDSR i raro i tētahi pūnaha kounga e ai ki te ISO 9001.
