Tetakirere taki pereti takirua waferHe momo takirere tirotiro anō hoki me te hurihanga hurihuri, engari he kōpae takirua, ā, ka kati i raro i te mahi a te puna. Ka panaia te kōpae kia tuwhera e te wai mai i raro ki runga, he hanganga māmā te takirere, kei waenganui i ngā parirau e rua te rawhi, ā, he iti te rahi me te mama.
Tetakirere taki pereti takirua wafere rua ngā kōpae āhua-D kua utaina ki te puna, kua whakanohoia ki runga i tētahi pou whakarara puta noa i te pūaha takirere. Mā tēnei hanganga ka whakapotoa te tawhiti e nekehia ai te pokapū taumaha o te kōpae. Ka whakaitihia hoki e tēnei hanganga te taumaha o te kōpae mā te 50% ki te whakataurite ki tētahi takirere tirotiro kotahi-kōpae e tū ana, he rite te rahi. Nā te kawenga puna, ka tere te urupare o te takirere ki te rere whakamuri.
Mā te hanganga mama o te takirere taki pereti rua o te wafer, ka pai ake te hiri me te whakahaere i te nohoanga.
Te mahi puna ringa roa o te pūrerehua takiruatakirere tirotiroka taea e te kōpae te huaki me te kati me te kore e mirimiri i te nohoanga, ā, ka mahi motuhake te puna ki te kati i te kōpae (DN150 me runga ake).
Ko te ringaringa tautoko hononga o te pūrerehua takirua-papatakirere tirotiroka whakaiti i te waku me te hama wai ina whakakorehia mā roto i tētahi kōpae motuhake (pūnga nui ake).
Ki te whakataurite ki te tikangangā takirere tirotiro hurihuri,takirere taki pereti takirua waferKo te hanganga he kaha ake, he māmā ake, he iti ake, he whai hua ake, ā, he iti ake te utu. E tutuki ana tēnei takirere i te paerewa o te API 594, mō te nuinga o ngā diameter, ko te rahi kanohi ki te kanohi o tēnei takirere he 1/4 noa iho o te takirere tikanga, ā, ko te taumaha he 15%~20% o te takirere tikanga, nō reira he iti ake te utu i te takirere tirotiro hurihuri. He māmā ake hoki te tāuta i waenga i ngā gasket paerewa me ngā flange paipa. Nā te mea he ngāwari ki te whakahaere, ā, kotahi noa te huinga o ngā pūtu hononga flange e hiahiatia ana, ka penapenahia hoki ngā wāhanga i te wā tāutanga, ka penapenahia ngā utu tāutanga me ngā utu tiaki o ia rā.
He āhuatanga hanga motuhake anō hoki tō te takirere tirotiro pūrerehua rua-pā, e hanga ana i tēnei takirere hei takirere tirotiro kore-pānga mahi-teitei. Kei roto i ēnei āhuatanga ko te whakatuwheratanga kore-horoi, te hanganga puna motuhake mō te nuinga o ngā takirere poka, me ngā pūnaha tautoko kōpae motuhake. Kāore ētahi o ēnei āhuatanga e wātea ana me ngā takirere tirotiro. Ka taea hoki te hoahoa i te takirere tirotiro pereti rua wafer me ngā lugs, ngā flanges takirua me te tinana roa.
Tuatahi, ko te tukanga whakatuwheratanga me te kati
Ko te hanganga kōpae takirua e whakaatu ana i ngā kōpae puna e rua (ngā kōpae haurua) e iri ana i te pine hono e poutū ana i waenganui. Ina tīmata te rere o te wai, ka tuwhera te kōpae me te kaha hua (F) e pā ana ki waenganui o te mata hiri. Ka whakamahia te kaha tautoko puna ātete (FS) ki tētahi tūranga i waho o waenganui o te mata kōpae, ka huaki tuatahi te pūtake kōpae. Mā tēnei ka karohia te waku i runga i te mata hiri e puta ana ina whakatuwheratia te kōpae i roto i ngā takirere tawhito, ka whakakorea te pakaru me te haehae o ngā wāhanga.
Ina puhoi te rere o te wai, ka tauhohe aunoa te puna hurihuri, ka kati te kōpae, ka neke tata atu ki te nohoanga o te tinana, ka whakaiti i te tawhiti haere me te wā kati. Ina rere whakamuri te wai, ka neke haere te kōpae ki te nohoanga o te tinana, ā, ka tere ake te urupare hihiri o te takirere, ka whakaiti i te pānga o te hama wai, ā, ka tutuki te mahi kore pānga.
I te wā e kati ana, ka kati tuatahi te tihi o te kōpae mā te mahi a te pū o te kaha o te puna, ā, ka ārai i te ngau me te waku i te pūtake o te kōpae, kia roa ai te pupuri a te takirere i te pumau o te hiri.
2. Hanganga puna motuhake
Mā te hanganga puna (DN150 me runga ake) ka taea te whakamahi i te taipana nui ake ki ia kōpae, ā, ka kati motuhake te kōpae i te huringa o te rere o te ahumahi. Kua whakaatuhia e ngā whakamātautau kua hua ake tēnei pānga i te 25% te pikinga o te ora o te takirere me te 50% te hekenga o te hama wai.
He puna motuhake kei ia wāhanga o te kōpae takirua e whakarato ana i te kaha kati motuhake, ā, ka pāngia e te nekehanga koki iti o te 140° (pikitia 3) hei utu mō te 350° o te puna tikanga me ngā whāriki e rua.
3. Hanganga whakatārewatanga kōpae motuhake
Mā te hanganga hononga motuhake ka whakaitihia te waku mā te 66%, ka tino whakapai ake i te tauhohenga o te takirere. Ka whakauruhia te ringaringa tautoko mai i te hononga o waho kia taea ai te tautoko motuhake i te hononga o runga e te ringaringa o raro i te wā e mahi ana te takirere. Mā tēnei ka taea e ngā kōpae e rua te tauhohe tere me te kati i te wā kotahi, ka tutuki ai te mahi hihiri tino pai.
Tuawhā, te aratau hononga ki te paipa
Ngā takirere taki pereti takirua o te angaā, ka taea te hono i ngā paipa ki ngā rawhi, ki ngā pūtu, ki ngā flange, me ngā rawhi.
Ka taea e koe te pāwhiri i tā mātou paetukutuku mō ētahi atu kōreroTakirere Pūrerehua, Rere e Whakahaeretia ana e te Takirere TWS (tws-valve.com)
Wā tuku: Oketopa-24-2024
