Izinzuzo Zokusebenzisa Amapayipi Ensimbi Ashiselwe Ngomoya I-ASTM A252

Izinzuzo Zokusebenzisa AMAPHAYIPHI ENTSIMBI AWELDED SPIRALLY ASTM A252 Isithombe Esivelele

Incazelo emfushane:

Uma wakha amapayipi ezimboni ezahlukene, ukukhetha izinto kubalulekile. Ipayipi lensimbi elihlanganisiwe elihlanganisiwe, ikakhulukazi lawo akhiqizwe ngokwezindinganiso ze-ASTM A252, seliye laba ukukhetha okuthandwayo kwezicelo eziningi ngenxa yezinzuzo zalo eziningi.

Sithumelele i-imeyili

Imininingwane Yomkhiqizo

Amathegi Omkhiqizo

Enye yezinzuzo eziyinhloko zokusebenzisa ipayipi lensimbi elihlanganisiwe elihlanganisiwe le-ASTM A252 amandla alo aphezulu nokuqina kwalo. Lawa mapayipi angamelana nokucindezeleka okuphezulu kanye nemithwalo esindayo, okwenza abe ngcono kakhulu ekudlulisweni kukawoyela negesi, ukuthuthwa kwemigwaqo yamanzi kanye nokusetshenziswa kwesakhiwo. Inqubo yokushisela ejikelezayo esetshenziswa ekukhiqizeni iqinisekisa ukubopha okuqinile nokulinganayo, okuvumela ipayipi ukuthi limelane nezimo ezinzima.

Impahla Yomshini

	Ibanga 1	Ibanga lesi-2	Ibanga lesi-3
Iphuzu Lokukhiqiza noma amandla okukhiqiza, min, i-Mpa(PSI)	205(30 000)	240(35 000)	310(45 000)
Amandla okudonsa, i-min, i-Mpa(PSI)	345(50 000)	415(60 000)	455(66 0000)

Ukuhlaziywa Komkhiqizo

Insimbi akumele ibe ne-phosphorus engaphezu kuka-0.050%.

Izinguquko Ezivumelekile Ezisindweni Nobukhulu

Ubude ngabunye benqwaba yamapayipi kufanele bulinganiswe ngokwehlukana futhi isisindo sawo akufanele sihluke ngaphezu kuka-15% noma u-5% ngaphansi kwesisindo sawo esicatshangelwayo, kubalwe kusetshenziswa ubude bawo kanye nesisindo sawo ngobude beyunithi ngayinye.

Ububanzi bangaphandle akufanele buhluke ngaphezu kuka-±1% kusuka kububanzi obujwayelekile bangaphandle obubekiwe

Ubukhulu bodonga nganoma yisiphi isikhathi akufanele bube ngaphezu kuka-12.5% ngaphansi kobukhulu bodonga obubekiwe

Ubude

Ubude obungahleliwe obubodwa: 16 kuya ku-25ft (4.88 kuya ku-7.62m)

Ubude obuphindwe kabili obungahleliwe: ngaphezu kwamafidi angu-25 kuya ku-35 (7.62 kuya ku-10.67m)

Ubude obufanayo: ukuhlukahluka okuvunyelwe ±1in

Ngaphezu kwamandla,amapayipi ensimbi ahlanganisiwe nge-spirally ASTM A252inikeza ukumelana okuhle kakhulu nokugqwala. Lokhu kubaluleke kakhulu kumapayipi abhekene nezimo zemvelo ezinzima noma izinto ezigqwalayo. Ukwemboza okuvikelayo kula mapayipi kuthuthukisa ukumelana kwawo nokugqwala, kuqinisekisa impilo yenkonzo ende kanye nezindleko zokulungisa eziphansi.

Ngaphezu kwalokho, amapayipi ensimbi ashiselwe nge-spirally ASTM A252 ayaziwa ngokuguquguquka kwawo kanye nokulula kokufakwa. Ukwakheka kwawo okuguquguqukayo kungenziwa ngokwezifiso kalula ukuze kuhlangatshezwane nezidingo ezithile zephrojekthi, kuyilapho ubulula bawo benza ukuphathwa nokuthuthwa kube lula. Lokhu kuwenza abe ukukhetha okungabizi kakhulu kwezicelo ezahlukahlukene, njengoba angafakwa ngokushesha nangokusebenza kahle, kunciphisa isikhathi somsebenzi kanye nokwakha.

Enye inzuzo yokusebenzisa ipayipi lensimbi elihlanganisiwe elihlanganisiwe le-ASTM A252 ukusimama kwalo kwemvelo. Lenziwe ngezinto ezingasetshenziswa kabusha, la mapayipi angasetshenziswa kabusha noma asetshenziswe kabusha ekupheleni kwesikhathi sawo sokusebenza, okunciphisa umthelela jikelele wemvelo wokwakhiwa nokugcinwa kwamapayipi. Ngaphezu kwalokho, isikhathi sawo eside kanye nezidingo zokugcinwa eziphansi kunegalelo engqalasizinda esimeme kakhulu futhi enobungani nemvelo.

Ekuphetheni, amapayipi ensimbi ahlanganiswe nge-spirally ASTM A252 anezinzuzo eziningi ezenza kube ukukhetha kokuqala kokwakhiwa kwamapayipi. Amandla awo aphezulu, ukuqina, ukumelana nokugqwala, ukuguquguquka kanye nokusimama kwemvelo kuwenza afaneleke kakhulu ezinhlotsheni ezahlukene zezicelo ezimbonini ezahlukene. Ngokukhetha la mapayipi, abathuthukisi bephrojekthi bangaqinisekisa uhlelo lwamapayipi oluthembekile noluhlala isikhathi eside oluhlangabezana nezindinganiso zekhwalithi ephezulu kanye nokusebenza.