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    Ngā Painga o te Whakamahi i ngā Paipa Rino Whakarewahia ki te Porowhita mō ngā Paipa Wai o raro Whenua

    Ngā Painga o te Whakamahi i ngā Paipa Rino Whakarewahia ki te Āwhata Porowhita mō ngā Paipa Wai o raro Whenua Whakaahua Matua
    • Ngā Painga o te Whakamahi i ngā Paipa Rino Whakarewahia ki te Porowhita mō ngā Paipa Wai o raro Whenua

    Whakaahuatanga Poto:

    I te whakatakoto i ngā paipa wai o raro whenua, he mea nui kia whiriwhiria te momo paipa tika kia mau ai te pakari me te roa o te ora. Ko tētahi o ngā paipa rongonui mō ngā paipa wai o raro whenua ko te paipa whakarewa porowhita, e mōhiotia ana ko te paipa maitai SSAW.


    Taipitopito Hua

    Ngā Tohu Hua

     Paipa maitai SSAWhe momo paipa whakarewa porowhita i raro i te wai e whakamahia whānuitia ana i roto i ngā momo mahi, tae atu ki ngā raina wai whenua. Mā tana tukanga whakarewa porowhita ahurei ka puta he paipa whānui nui me te matotoru o te pakitara, he mea tino pai mō te kawe wai i raro i te whenua.

    Āhuatanga Mīhini

    kounga maitai

    te kaha hua iti rawa
    Mpa

    Te kaha o te kume

    Te roanga iti rawa
    %

    Pūngao pānga iti rawa
    J

    Te matotoru kua tohua
    mm

    Te matotoru kua tohua
    mm

    Te matotoru kua tohua
    mm

    i te pāmahana whakamātautau o
     

    <16

    ＞16≤40

    <3

    ≥3≤40

    		 ≤40

    -20℃

    0℃

    20℃
    S235JRH

    235

    225

    360-510

    360-510

    24

    -

    -

    27
    S275J0H

    275

    265

    430-580

    410-560

    20

    -

    27

    -
    S275J2H

    27

    -

    -
    S355J0H

    365

    345

    510-680

    470-630

    20

    -

    27

    -
    S355J2H

    27

    -

    -
    S355K2H

    40

    -

    -

    Ko tētahi o ngā painga matua o te whakamahi i ngā paipa rino whakarewa porowhita i raro i te wai whenua ko tōna kaha me tōna roa. Mā te tukanga whakarewa porowhita ka hangaia he paipa kaha, pono hoki e taea ai te tu atu i te pēhanga me te taumaha o te tanumia ki raro i te whenua. He mea nui tēnei kaha hei ārai i ngā turuturu me te whakarite i te pumau o ngā paipa wai mō te wā roa.

    Hei tāpiritanga, he ātete ngā paipa rino SSAW ki te waikura, ā, he mea pai rawa atu mō ngā mahi kei raro i te whenua e pāngia ana ngā paipa e te makuku me ētahi atu āhuatanga taiao. Mā tēnei ātete ki te waikura ka roa ake te ora o ō paipa, ā, ka whakaitihia te hiahia mō te tiaki me te whakatikatika auau.

    Paipa mō te raina wai o raro whenua

    Ko tētahi atu painga o te whakamahi i te paipa maitai whakarewa porowhita i raro i te pewa mō ngā raina wai whenua ko tōna ngāwari me te urutau. Ka taea e te tukanga whakarewa porowhita te whakaputa i ngā paipa o ngā diameter rerekē, e pai ai mō ngā momo tono paipa wai. Hei tāpiri, mā te ngāwari o te paipa maitai SSAW ka ngāwari te tāuta me te whakahaere, inā koa i ngā wāhi he whenua uaua, he arai rānei.

     

    Te Hanganga Matū

    Te taumata maitai

    Momo tango-waikura a

    % mā te papatipu, mōrahi

    Ingoa maitai

    Tau maitai

    C

    C

    Si

    Mn

    P

    S

    Nb

    S235JRH

    1.0039

    FF

    0,17

    —

    1.40

    0,040

    0,040

    0.009

    S275J0H

    1.0149

    FF

    0,20

    —

    1.50

    0,035

    0,035

    0,009

    S275J2H

    1.0138

    FF

    0,20

    —

    1.50

    0,030

    0,030

    —

    S355J0H

    1.0547

    FF

    0,22

    0,55

    1,60

    0,035

    0,035

    0,009

    S355J2H

    1.0576

    FF

    0,22

    0,55

    1,60

    0,030

    0,030

    —

    S355K2H

    1.0512

    FF

    0,22

    0,55

    1,60

    0,030

    0,030

    —

    a. Ko te tikanga tango-waikura e whai ake nei:

    FF: He maitai kua whakamatea katoatia kei roto ngā huānga here hauota i roto i ngā rahinga e ranea ana hei here i te hauota e wātea ana (hei tauira, iti rawa 0,020% Al katoa, 0,015% Al wairewa rānei).

    b. Kāore e pā te uara mōrahi mō te hauota mēnā he iti rawa te ihirangi Al katoa o te hanganga matū o te 0,020 % me te ōwehenga Al/N iti rawa o te 2:1, mēnā rānei he nui ngā huānga here-N kē atu kei roto. Me tuhi ngā huānga here-N ki roto i te Tuhinga Tirotiro.

    Haunga te kaha, te roa, me te ngāwari, he iti ake te utu o ngā paipa rino whakarewa porowhita i raro i te pewa, ki te whakaritea ki ētahi atu momo paipa. Ka whakaitihia e te tukanga whakarewa porowhita ngā utu whakaputa, ka waiho hei kōwhiringa ohanga ake mō ngā kaupapa paipa wai nui. Ko te roa o te ora me te iti o ngā whakaritenga tiaki o ngā paipa rino SSAW ka whai wāhi atu ki te penapena utu whānui puta noa i te roanga o te raina wai.

    Paipa SSAW

    I te nuinga o te wā, he maha ngā painga o te whakamahi i te paipa maitai kua whakarewaina ki te pewa porowhita mō ngā raina wai whenua, tae atu ki te kaha teitei, te roa, te ātete ki te waikura, te ngāwari, me te whai hua o te utu. Nā ēnei āhuatanga ka waiho hei kōwhiringa pono me te whai hua mō te kawe wai i raro i te whenua, ahakoa mō ngā hanganga ā-tāone, ngā tono ahumahi, ngā kaupapa ahuwhenua rānei.

    Hei whakarāpopototanga, ina tae mai ki te whiriwhiri i te paipa pai rawa atumō ngā paipa wai o raro whenua, ko te paipa maitai whakarewa porowhita-ruku te mea pai rawa atu. Ko tōna hanganga whakarewa porowhita e whakarato ana i te kaha, te roa me te ātete ki te waikura e hiahiatia ana mō te mahi roa, ā, ko tōna ngāwari me te whai huatanga utu he mea ātaahua mō ngā kaupapa paipa wai o ngā rahi katoa. Mā te whiriwhiri i te paipa maitai whakarewa porowhita-ruku, ka taea e koe te whakarite i te pono me te roa o te ora o ō raina wai o raro whenua, ka hoatu he rangimarie o te hinengaro me te maia ki a koe i roto i tō pūnaha wai.

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