He maha ngā wā ka tūtaki ahau ki ngā pātai a ngā kiritaki penei: "Kia ora, e Beria, e hiahia ana ahau ki te takirere kuaha, ka taea e koe te whakahua i ō mātou utu?" Ko ngā takirere kuaha ā mātou hua, ā, e mōhio ana mātou ki a rātou. Kāore he raruraru ki te whakahua utu, engari me pēhea taku hoatu i tētahi whakahua utu i runga i tēnei pātai? Me pēhea te whakahua utu hei āwhina i ngā kiritaki ki te tiki ota, ki te hoko rānei i ngā hua e hiahiatia ana e ngā kiritaki? He mārama, kāore e ranea ēnei raraunga anake. I tēnei wā, ka pātai atu ahau ki te kiritaki "he aha te momo takirere kuaha e hiahiatia ana e koe, he aha te pēhanga, he aha te rahi, kei a koe te reo me te pāmahana?" Ka tino pouri ētahi kiritaki, he utu anake taku e hiahia ana, ka pātai mai koe ki ahau. He maha ngā pātai, kāore koe i te ngaio. Ko ētahi kāore i pātai mai, ā, i homai noa mai he whakahua utu. Engari, he pono rānei kāore mātou i te ngaio? Engari, nā te mea he ngaio mātou, he kawenga hoki ki a koe, ka pātai atu mātou i ēnei pātai. Ae, he ngāwari te whakahua utu, engari ehara i te mea ngāwari ki te āwhina i ngā kiritaki ki te tiki ota. Inaianei, me tātari tātou i ngā āhuatanga me aro atu ki te pātai me te whakahua utu mō ngā takirere kuaha mai i ngā āhuatanga e whai ake nei.
Ko ngā āhuatanga matua o ngā takirere kēti ko te āhua (te tokotoko tuwhera, te tokotoko pouri rānei), te pēhanga, te whānui, te rauemi, me te taumaha. I roto i tēnei tuhinga, ka kōrerohia noa ngā takirere kēti hiri-ngāwari.
1. Āhua: E rua ngā momo takirere kua hiri-ngāwari, arā, te takirere kuaha take piki me te takirere kuaha take huna. Me nui te wāhi mahi mō te takirere kuaha take piki, ā, he pai ake mō ngā kaupapa paipa i runga i te whenua. Kāore te take takirere e neke ake, e heke iho rānei, nō reira he pai mō ngā kaupapa paipa i raro i te whenua.
2. Pēhanga: Mō ngā takirere kuaha hiri-ngāwari, ko te pēhanga e tika ana ko PN10-PN16, Akomanga 150. Ahakoa te teitei o te pēhanga, ka rerekē te āhua o te pereti kua hipokina ki te rapa. Kāore mātou e tūtohu kia whakamahia ngā takirere kuaha hiri-ngāwari;
3. Rahi: He tino māmā noa iho tēnei, ka nui ake te rahi o te takirere, ka nui ake te utu;
4. Rauemi: Mō ngā rauemi, he taipitopito ake. Ko te tikanga ka kōrerohia te rauemi mai i ngā āhuatanga e whai ake nei, te tinana takirere, te pereti takirere, te pou; mō ngā takirere kuaha hiri-ngāwari, ko te rauemi tinana takirere e whakamahia whānuitia ana ko te tinana rino ngāwari. Ko te pereti takirere he pereti rapa rino ngāwari. He maha ngā kōwhiringa mō te pou takirere, te pou maitai waro, te pou 2cr13, te pou maitai kore waikura, ā, he rerekē te repe o te takirere kuaha i te repe rino me te repe parahi. Mō ngā mea waikura, ko te tikanga he nati parahi me ngā repe parahi te mea e taunakihia ana, kāore he mea waikura, ā, he rawaka ngā nati rino me ngā repe rino.
5. Taumaha: Ko te taumaha i konei e pā ana ki te taumaha o tētahi takirere kotahi, he mea hoki e ngāwari ana te wareware. Kua whakatauhia te rauemi, ā, kua whakatauhia te utu mō te takirere kuaha o te rahi kotahi? Ko te whakautu he kore. Hei whakatutuki i ngā hiahia rerekē o te mākete, ka rerekē te matotoru o ngā takirere e ngā kaihanga takirere, ā, ko te hua ahakoa he rite te rauemi, he rite te rahi, he rite te roa o te hanganga, he rite te diameter o waho o te flange me te tawhiti pokapū o te kōhao flange, engari kāore te matotoru o te tinana takirere i te rite, ā, ka rerekē rawa te taumaha o te takirere kuaha o te rahi kotahi. Hei tauira, ko te takirere kuaha hiri ngohengohe DN100 kotahi, DIN F4, e 6 ngā momo taumaha, 10.5kg, 12kg, 14kg, 17kg, 19kg, 21kg, ko te tikanga, ko te taumaha o te taumaha, ko te utu nui ake. Hei kaihoko ngaio, me mōhio koe ki te momo āhua mahi e whakamahia ana te hua e hiahiatia ana e koe, te kounga e hiahiatia ana e te kiritaki, me te utu e whakaaetia ana e te kiritaki. Mō tā mātou wheketere, e tino hiahia ana mātou kia hoko mai ngā kiritaki i ngā hua kounga teitei, kia iti ake ai te hokonga i muri mai. Heoi, nā te hiahia o te mākete, me whakawhānui ake ā mātou hua kia nui ake ai te wāhi mākete.
Mā te tātari i ngā āhuatanga o runga ake nei, ki taku whakaaro me mārama ake koe ki te hoko i ngā takirere kuaha hiri-ngohengohe. Mena he pātai tonu āu mō te hoko i ngā takirere kuaha, whakapā mai ki a Zhongfa Valve, ā, ka whakapau kaha mātou ki te āwhina i a koe ki te whakaoti rapanga.
Wā tuku: Hakihea-28-2022