Kua hangaia he puranga hononga whānui rapa DN200, ā, kua rite mō te tuku. He whānuitia te tukunga o tēnei raupapa hua ki ngā kaupapa hangarau o tāwāhi tae atu ki te tuku wai me te rerenga wai, te ahumahi matū, ngā tipu hiko, te HVAC me te maimoatanga wai moana. Kei te piki haere te maha o ngā kaimahi EPC o te ao me ngā kaihoko paipa e whiriwhiri ana i ngā hononga whānui rapa, nā te mea ka taea e ēnei hononga ngāwari te whakaoti i ngā mamae tonu i te wā e mahi ana ngā paipa mō te wā roa.

Ka pāngia ngā pūnaha paipa e te ahotea nekehanga nā te rerekētanga o te pāmahana, te wiri miihini mai i ngā taputapu hurihuri, te hē o te tāutanga me te taunga o te turanga. Ka ngawari ngā wāhanga paipa whakarewa pakari tuku iho ki te pakaru whakarewa me te turuturu o te flange i raro i te ahotea auau. Ka tukuna te haruru e te wiri tonu e puta mai ana i ngā papu wai me ngā pupuhi mā roto i ngā hanganga paipa, ka arahi ki te pakaru o ngā takirere, ngā taputapu me ngā taputapu matua i muri i te whakamahinga roa. Ko ngā hononga whānui rapa flange he hononga ngāwari kua hangaia motuhake hei whakakore i ēnei wero katoa.

He tino rongonui ngā āhuatanga hangarau o tēnei momo hononga rapa. Kua whakamomonatia te tinana rapa ki te papanga whakapakari paparanga maha me te elastomer mahi-teitei, me ngā flange rere maitai waro. Ka mimiti i te nekehanga maha-aronga tae atu ki te whānui me te whakaheke tuaka, te nekehanga taha me te koki koki. Nā tōna hanganga ngāwari, ka wehea e te hononga whānui te wiri miihini, ka whakaiti i te haruru o te paipa me te aukati i te tuku wiri puta noa i te whatunga paipa katoa. He maha ngā rauemi elastomer pēnei i te EPDM, NBR me te rapa taiao he mea whiriwhiri hei whakauru ki te wai ma, te paru, te wai waikawa ngoikore me te kawakore, te hinu me ētahi atu mea, e tuku ana i te mahi tino pai ki te ārai i te koroheketanga me te ārai i te waikura.

Ki te whakatauritea ki ngā hononga whānui whakarewa, he māmā ake te tāutanga o ngā hononga whānui rapa kua whakakikoruatia, kāore he tukanga totoro-mua uaua, ā, e manawanui ana ki ngā hapa iti i te wā o te huihuinga i te papaanga. Ka mau tonu te mahi hiri pumau me te kaha whakaiti wiri me te haruru pai rawa atu. Ka whakaitihia e te hanganga mama te utu kawe, ā, ka tino whakaitihia te utu tiaki auau mō ngā kaiwhakamahi mutunga. Ko te DN200 (8 inihi) he rahi paerewa e whakamahia whānuitia ana i roto i ngā teihana papu nui me te rahi, ngā paipa wai hurihuri me ngā paipa tukatuka. Kei te wātea ngā rahi ritenga mai i te DN50 ki te DN1200, me ngā akomanga pēhanga PN10 me te PN16 hei whakatutuki i ngā whakaritenga kaupapa rerekē.

Kua whakamahia whānuitia ā mātou hononga whānui rapa ki ngā puna wai ā-rohe o tāwāhi, ngā tipu maimoatanga wai para, ngā pūnaha hauhautanga matua HVAC, ngā paipa tohanga matū hinu, ngā paipa moana me ngā ara iahiko whakamatao tipu hiko. Mā te tāutanga tika o ngā hononga whānui rapa ka tukuna te ahotea wera me te ahotea miihini i roto i ngā paipa, ka tiakina ngā papu me ngā takirere, ka whakaiti i ngā pakaru turuturu, ā, ka roa ake te ora o te pūnaha paipa katoa. Ka āwhina i ngā kaupapa o tāwāhi ki te whakaiti i ngā whakapaunga whakahaere me te tiaki mō te wā roa, ka waiho te hononga whānui rapa flanged hei wāhanga nui i roto i te hangarau kawe wai hou.