Paipa Rino A252 GRADE 2 mō ngā Paipa Hauhanga o raro whenua

Whakaahuatanga Poto:

Ina tae ki te tāutanga o ngā paipa hau i raro i te whenua, ko tētahi o ngā mea tino nui ko te whiriwhiri i te tikanga whakarewa hei hono i ngā paipa.Te Whakarewa Āwhata Rukuhia ki te Hīkoi He tikanga whakarewa rongonui te HSAW e whakamahia ana hei hono i ngā paipa maitai A252 Grade 2 ki ngā whakaurunga paipa hau i raro i te whenua. He maha ngā painga o tēnei tikanga, tae atu ki te pai o te whakarewa, te hanganga pai rawa atu, me te pono mō te wā roa.

Tukua mai he īmēra ki a mātou

Taipitopito Hua

Ngā Tohu Hua

Ina tae ki te tāutanga o ngā paipa hau i raro i te whenua, ko tētahi o ngā mea tino nui ko te whiriwhiri i te tikanga whakarewa hei hono i ngā paipa.Te Whakarewa Āwhata Rukuhia ki te HīkoiHe tikanga whakarewa rongonui te HSAW e whakamahia ana hei hono i ngā paipa maitai A252 Grade 2 ki ngā whakaurunga paipa hau i raro i te whenua. He maha ngā painga o tēnei tikanga, tae atu ki te pai o te whakarewa, te hanganga pai rawa atu, me te pono mō te wā roa.

Paipa maitai A252 Tau 2he mea hanga motuhake mō te whakamahi i roto i ngā tono pēhanga pērā i te kawe hau māori. E mōhiotia ana ēnei paipa mō tō rātou kaha kume me te ātete ki te waikura, he mea pai mō ngā whakaurunga paipa hau i raro i te whenua. Heoi, he mea nui te tukanga whakarewa hei whakarite i te pumau me te roa o te ora o ngā paipa hau māori.

Āhuatanga Mīhini

	Tau 1	Tau 2	Tau 3
Te Pūtake Hua, te kaha hua rānei, min, Mpa(PSI)	205(30 000)	240(35 000)	310(45 000)
Kaha kume, min, Mpa(PSI)	345(50 000)	415(60 000)	455(66 0000)

Tātaritanga Hua

Kaua te maitai e neke atu i te 0.050% te whākawa.

Ngā Rerekētanga e Whakaaetia ana i roto i ngā Taumaha me ngā Ine

Me paunatia motuhake ia roa o te puranga paipa, ā, kaua tōna taumaha e neke atu i te 15% neke atu, i te 5% rānei i raro i tōna taumaha matapae, mā te tatau i tōna roa me tōna taumaha mō ia wae roa.

Kaua te whānui o waho e neke atu i te ±1% mai i te whānui o waho kua tohua

Ko te matotoru o te pakitara i tetahi wāhi kaua e neke ake i te 12.5% i raro i te matotoru o te pakitara kua tohua

Roa

Roa matapōkere takitahi: 16 ki te 25 putu (4.88 ki te 7.62m)

Roa matapōkere takirua: neke atu i te 25 putu ki te 35 putu (7.62 ki te 10.67m)

Ngā roa ōrite: te rerekētanga e whakaaetia ana ±1inihi

Ko tētahi o ngā painga matua o te whakarewa porowhita i raro i te pewa ko tōna tino pai o te whakarewa. Mā tēnei tikanga ka taea e ia te tere o te whakatakoto, ka tere ake te whakarewa me te whakapiki ake i te hua. Nō reira, ko te tāutanga ongā paipa hau o raro whenuaka taea te whakaoti i te wā tika ake, kia iti ake ai te whakararuraru me te wā kore mahi.

Hei tāpiritanga, he tino pai te hanganga o te HSAW. Mā te tukanga whakarewa ka hangaia he hononga kaha, pumau hoki i waenga i ngā paipa maitai A252 Grade 2, kia taea ai e ngā paipa te tu atu ki ngā pēhanga o waho me ngā āhuatanga taiao e kitea ana i roto i ngā taiao o raro whenua. He mea nui tēnei hanganga mō te kawe haumaru me te pono o te hau māori i ngā tawhiti roa.

Haunga te whai huatanga me te hanganga pakari, ka whakaratohia e te whakarewa pewa hurihuri te pono mō te wā roa. Ko ngā hononga whakarewa i hangaia mā te whakamahi i tēnei hangarau ka whakarato i te roa o te ora me te ātete ki te waikura, kia mau tonu ai te āhua pai o ngā paipa hau o raro whenua mō te wā roa. He mea nui tēnei roa o te ora hei whakaiti i ngā utu tiaki me te whakatika e pā ana ki ngā paipa hau māori.

I te nuinga o te wā, he mea nui te whiriwhiri i te tikanga whakarewa mō te hono i ngā paipa maitai A252 Grade 2 i roto i ngā whakaurunga paipa hau i raro i te whenua, ki te haumaru me te whai huatanga whānui o te pūnaha tohatoha hau. He nui ngā painga o te whakarewatanga pewa porowhita i raro i te wai mō te whai huatanga o te whakarewatanga, te pono o te hanganga me te pono mō te wā roa, ā, he mea tino pai mō te whakarite i te pono o ngā paipa hau i raro i te whenua.

Hei whakarāpopototanga, kāore e taea te whakaiti i te hiranga o te whakarewatanga pewa hurihuri o te paipa rino A252 Grade 2 i roto i ngā whakaurunga paipa hau i raro i te whenua. He maha ngā painga o tēnei tikanga whakarewatanga, tae atu ki te pai o te whakarewatanga, te hanganga pai rawa atu, me te pono mō te wā roa. Mā te whiriwhiri i te paipa rino A252 Grade 2 kua whakarewahia e te HSAW, ka taea e ngā kaiwhakauru paipa hau te whakarite kia haumaru, kia pono hoki te kawe hau māori mō ngā tau e haere ake nei.