He aha tetakirere pūrerehua?
Ko te ingoa o te takirere pūrerehua ko te takirere pūrerehua nā te mea he rite tōna āhua ki te pūrerehua. Ka hurihia e te actuator te pereti takirere 0-90 nekehanga hei whakatuwhera me te kati i te takirere, hei whakarite rānei i te tere rere mō te wā poto.
He aha tetakirere pōro?
Ka whakamahia hoki ngā takirere pōro i roto i ngā paipa hei whakahaere i ngā takirere e whakahaere ana i te rere o te wai. I te nuinga o te wā ka whakamahia he porowhita me te kōhao hei whakahaere i te rere o te wai, ka taea te haere mā roto, te ārai rānei i te hurihuri o te porowhita.
Hei wāhanga whakahaere wai, ka taea te whakamahi i ngā takirere pūrerehua me ngā takirere pōro hei hono me te tapahi i te reo i roto i te paipa. He aha ngā rerekētanga, ngā painga me ngā ngoikoretanga? Kei raro nei ka tātarihia e mātou mai i te hanganga, te whānuitanga o te tono, me ngā whakaritenga hiri.
1. Hanganga me te mātāpono
- Ko te wāhanga whakatuwhera me te kati o te takirere pūrerehua, ko te pereti takirere, e ai ki te ingoa, he wahi āhua pereti me te matotoru, ko te wāhanga whakatuwhera me te kati o te takirere pōro he porowhita.
- He māmā ake ngā takirere pūrerehua, ā, he kiato te hanganga, nō reira he mama ake te taumaha; engari he roa ake te tinana o ngā takirere pōro, ā, he nui ake te wāhi e hiahiatia ana i te wā e tuwhera ana, e kati ana hoki. He nui ake, he taumaha ake hoki.
- Ina tuwhera katoa te takirere pūrerehua, ka huri te pereti takirere kia rite ki te ahunga o te rere, kia kore ai e aukatia te rere. Ina kati te takirere pūrerehua, ka tū poutū te pereti takirere ki te ahunga o te rere waenga, ā, ka ārai katoa i te rere.
- Ina tuwhera katoa te takirere pōro pū-katoa, ka hāngai ngā kōhao ki te paipa, ka taea ai te rere o te wai. Ā, ina katia, ka huri te pōro 90 nekehanga, ka aukati katoa i te rere. Ka whakaitihia e te takirere pōro pū-katoa te hekenga pēhanga.
2. Te whānuitanga o te tono
- Ka taea anake te whakamahi i ngā takirere pūrerehua mō te rere rua-ara; ka taea hoki te whakamahi i ngā takirere pōro hei whakawhiti ara-toru hei tāpiri atu ki te rere rua-ara.
- He pai ngā takirere pūrerehua mō te whakaweto/whakakā i ngā paipa pēhanga iti; ka taea te whakamahi i ngā takirere pōro mō te whakahaere rere tika i ngā āhuatanga pāmahana me te pēhanga teitei ake.
- E whakamahia whānuitia ana ngā takirere pūrerehua i roto i te maimoatanga paru, te tukatuka kai, ngā pūnaha HVAC, ngā pūnaha hauhautanga me ētahi atu mara; ko ngā takirere pōro e whakamahia whānuitia ana i roto i te hinu, te hau māori, te ahumahi matū, te whakarewa, te hiko me ētahi atu mara ahumahi.
3. Te hiri
- Ka whakawhirinaki ngā takirere pūrerehua hiri-ngāwari ki ngā nohoanga takirere pīngore pērā i te rapa, te PTFE rānei hei hanga hiri mā te pēhi i te pereti takirere. Tērā pea ka pakaru tēnei hiri i roto i te wā, ka puta pea he turuturu.
- Ko ngā takirere pōro he hiri nohoanga whakarewa-ki-whakarewa, ngohengohe rānei e whakarato ana i te hiri pono ahakoa te whakamahinga roa.
Hei whakarāpopototanga, he rerekē ngā painga me ngā ngoikoretanga o ngā takirere pūrerehua me ngā takirere pōro, ā, ko te takirere hei whiriwhiri, ka whakawhirinaki ki ngā āhuatanga me ngā hiahia o te tono.
He wheketere a ZFA Valve Company e tohunga ana ki te hanga i ngā momo takirere pūrerehua. Mena he pātai āu, tēnā whakapā mai.