Abathengi kufanele bacacise ipayipi lensimbi ye-carbon ngokuqala ngezimo zesevisi kanye nedokhumenti yephrojekthi elawulayo, bese besho indinganiso eqondile, uhlelo, ibanga, umzila wokukhiqiza, ubukhulu, ukubekezelela, ukuhlola, isitifiketi sokuhlola, okokumboza, ukulungiswa kokuphela, ukumaka, ukupakisha, kanye nenani. Izimpawu ze-ASTM, API, ne-EN akumele zithathwe njengezilingana ngokuzenzakalela ngaphandle kwemvume yobunjiniyela.

Imibuzo yamapayipi amazwe ngamazwe ivame ukuhluleka ngoba umthengi uthumela kuphela ububanzi obungaphandle, ukushuba kodonga, kanye nebanga elilinganiselwe. Lokho kushiya abahlinzeki bempahla ukuthi bahumushe ukuthi ipayipi elesevisi yokucindezela, ipayipi lolayini, ukwakhiwa kwesakhiwo, ukusetshenziswa komshini, noma omunye umsebenzi. Izingcaphuno eziwumphumela zingabukeka ziqhathaniswa kodwa zihlanganisa izinto ezihlukahlukene, ukuhlolwa, ukubekezelela, kanye nemibhalo.

Qala Ngenkonzo, Hhayi Ibanga Elijwayelekile

Ngaphambi kokukhetha okujwayelekile, chaza:

• Umsebenzi ohanjisiwe omaphakathi noma wesakhiwo.
• Umklamo kanye nengcindezi yokusebenza.
• Umklamo kanye nezinga lokushisa lokusebenza.
• Imithwalo yangaphandle nendlela yokufaka.
• Izimo zokugqwala.
• Okumuncu, izinga lokushisa eliphansi, i-cyclic, noma enye isevisi ekhethekile.
• Umzila we-Welding kanye nokwenza.
• Ikhodi yokuklama ebusayo kanye nokucaciswa kweklayenti.
• Izidingo zezwe okuyiwa kulo.

Unjiniyela onesibopho somthengi kufanele anqume imininingwane yezinto esebenzayo. Umphakeli angasiza ekuhlonzeni imikhiqizo etholakalayo, kodwa akufanele acelwe ukuthi amiselele isisekelo somklamo wephrojekthi “okulingana” okuvamile.

Ithebula Lesinqumo Somndeni Wamazinga

Ulimi lwephrojekthi	Isenzo somthengi	Kudingeka impendulo yomhlinzeki
Ukucaciswa okusekelwe ku-ASTM	Yisho ngqo ukuqokwa kwe-ASTM, ibanga, uhlelo, izidingo ezingeziwe, kanye nekhodi yephrojekthi	Caphula i-callout efanayo noma bhala ngokucacile konke ukuchezuka
Ukucaciswa kwepayipi okusekelwe ku-API	Yisho ukucaciswa komkhiqizo we-API, ileveli noma ibanga lapho kufanele khona, izengezo zesevisi, nokuhlola okudingekile	Qinisekisa umzila wokukhiqiza, izinga lomkhiqizo, ukuhlola, ukumakwa, kanye nokubhala imibhalo
Ukucaciswa okusekelwe ku-EN	Yisho ngqo izinga lomkhiqizo we-EN, igama lensimbi, isimo sokudiliva, ubukhulu, kanye nedokhumenti yokuhlola	Qinisekisa igama elifanayo nazo zonke izinketho ezi-odiwe
Ukushintsha okujwayelekile	Hlinzeka ngomthetho wokushintsha ogunyazwe ngokusemthethweni noma ucele esinye isiphakamiso	Nikeza ukuqhathanisa kwezobuchwepheshe okuhlangene necele; ungalokothi ulebule ibanga “elilinganayo” ngaphandle kweziqu

Amazinga ahlanganisa ngaphezu kwamakhemikhali. Zingase zehluke ngezakhiwo zemishini, ubukhulu, ukubekezelela, ukwelashwa kokushisa, imvamisa yokuhlola, imibhalo yokuhlola, ukumaka, nezinqubo zokukhiqiza ezivunyelwe.

1. Chaza Ifomu Lomkhiqizo kanye Nomzila Wokukhiqiza

Yisho ukuthi imfuneko ingeyalokhu:

• Ipayipi elingenamthungo.
• Ipayipi elishiselwe ukumelana nogesi.
• Ipayipi elishiselwe ngobude noma ngokuvunguza.
• Ingxenye yesakhiwo, isikwele, noma unxande.
• Ipayipi elingenalutho, likathayela, elilayishiwe noma elivalekile.

Umzila owamukelekayo kufanele ulandele ukucaciswa okubusayo kanye nesevisi. Uma umzila ongaphezu kowodwa wamukelekile, cela abahlinzeki bempahla ukuthi bacaphune ngamunye njengendlela ehlukile esikhundleni sokuwuhlanganisa entweni yomugqa owodwa.

I-Maigaotuo's Isigaba samapayipi ensimbi ihlanganisa ipayipi eliyindilinga, ishubhu eliyisikwele, ishubhu elingunxande, kanye nokutholakala kweshubhu okumise okukhethekile. Ukukhethwa komkhiqizo wokugcina kusancike ekubizeni okuqondile kwephrojekthi.

2. Cacisa Ubukhulu Kusistimu Eyodwa Engaqondakali

I-RFQ kufanele ikhombe:

1. Usayizi wepayipi lokuzisholo noma ububanzi bangaphandle.
2. Ukuqina kwezindonga noma isimiso.
3. Ubude nokuhluka okuvunyelwe kobude.
4. Qeda ukuqeda.
5. I-Dimensional standard.
6. Ubuningi ngosayizi.
7. Iyunithi yokulinganisa.
8. Ukubekezelelana okudingekayo okungaphezu kwesilinganiso esiyisisekelo.

Ungahlanganisi i-NPS, i-DN, i-diameter yangaphandle, ishejuli, namamilimitha ngaphandle kwemephu ecacile. Inombolo yeshejuli ayiwona ukujiya kodonga olubanzi kuwo wonke usayizi wegama. Uma umdwebo wephrojekthi ulawula, yinamathisele futhi ukhombe isibuyekezo.

3. Hlukanisa Ukukhethwa Kwebanga Engxoxweni “Elinganayo”

Uma izincazelo zangempela zisho izinga elilodwa futhi imakethe yokunikezela isebenzisa elinye, dala ithebula lokuqhathanisa elihlanganisa:

• Ukuqokwa okuphelele kanye noshicilelo.
• Uhlobo lomkhiqizo kanye nomzila wokukhiqiza ovunyelwe.
• Imikhawulo yokuhlanganisa amakhemikhali.
• Izidingo zokukhiqiza kanye neziqinile.
• Izidingo zomthelela kanye nezinga lokushisa lokuhlola.
• Ukwelashwa kokushisa noma isimo sokulethwa.
• Ukubekezelelana kwe-Dimensional.
• I-Hydrostatic, ayikonakali, noma okunye ukuhlola.
• Uhlobo lwedokhumenti yokuhlola.
• Ukumaka nokulandeleka.

Okunye kufanele kuhanjiswe ukuze kubuyekezwe ubunjiniyela ngaphambi kokuthenga. Amanani wamandla afanayo ewodwa awasunguli ukushintshashintsha.

4. Ukuhlolwa Kwesifunda Nezidingo Zombhalo Line by Line

I-RFQ kufanele ihlukanise izidingo eziyisibopho kumasevisi okuhlola ozikhethela wona.

Amadokhumenti noma ukuhlolwa	Ozokusho
Isitifiketi sokuhlolwa komshini	Ifomethi edingekayo, indinganiso, inombolo yokushisa, ikhemistri, imiphumela yemishini, nokulandeleka
Ukuhlola okungonakali	Indlela, ikhava, isisekelo sokwamukela, kanye nemfuneko yombiko
Ukuhlolwa kwe-Hydrostatic	Ukucaciswa okubusayo nokuthi amarekhodi ayadingeka yini
Ukuhlolwa kwe-Dimensional	Uhlelo lwesampula, ubukhulu obubikiwe, nokubekezelela
Ukuhlolwa komuntu wesithathu	I-ejensi, amaphuzu ofakazi/ukubamba, ububanzi, nolimi lombiko
Ukuhlolwa kwe-coating	Ukulungiswa kwendawo, ukujiya, ukuhlolwa kweholide, ukunamathela, noma ezinye izidingo zephrojekthi
Ukuhlonza okubalulekile	Izindawo, amasampula, indlela, kanye nokubika uma kudingeka

Ungaceli konke ukuhlolwa ngokuzenzakalelayo. Ukuhlolwa ngakunye okungeziwe kushintsha izindleko, ukuhlela, nokulawulwa kwedokhumenti. Cacisa kuphela lokho okudingwa yiphrojekthi, kodwa yenza lezo zidingo zibonakale ngaphambi kwekhotheshini.

5. Chaza indawo engaphezulu, enembombo, iziphetho, kanye nokwenziwa

Faka phakathi:

• Isistimu yokuhlanganisa engenalutho, egcotshwe ngamafutha, ependiwe, eyakhiwe ngothayela noma yephrojekthi.
• Imfuneko yokulungisa ubuso.
• Izindawo zokugqoka kanye nezindawo ezingabaliwe.
• Iziphetho ezingenalutho, eziboshwe, ezinentambo, ezi-grooved, noma ezihlanganisiwe.
• I-bevel geometry kanye nobuso bempande lapho kulawulwa khona.
• Amakepisi wokugcina noma izivikeli zentambo.
• Sika ubude, izimbobo, ukugoba, noma ukwenza kusengaphambili.
• Indlela yokumaka edingekayo.

Uma amapayipi nokufakwa kuzohlanganiswa, hlinzeka ngebhili lezinto ezibonakalayo futhi ukhombe isigaba somfutho ofanayo, ubukhulu, ama-callouts wezinto ezibonakalayo, kanye nokuxhumeka kokuphela. I-Maigaotuo nayo iyahlinzeka ukufakwa kwamapayipi ezimboni ezingxoxweni ezihlanganisiwe zokuthengwa kwempahla.

6. Vikela Ukulandeleka Ngokupakisha Nokuthumela

Ukuze uthole ama-oda okuthumela ngaphandle, yisho:

• Usayizi wenqwaba kanye nesisindo esiphezulu.
• Ukuhlukaniswa ngokushisa, ibanga, noma usayizi.
• Ulwazi lomaka.
• Qeda ukuvikela.
• Isidingo sokupakisha sokungangeni kwamanzi noma sokungena emanzini.
• Izithiyo zokulayisha iziqukathi.
• Imbobo okuyiwa kuyo.
• Amadokhumenti adingekayo okuthumela kanye namasiko.
• Ukuthi imikhiqizo exubile ingabelana ngokuthunyelwa.

Uhlu lokupakisha kufanele lulondoloze ubudlelwano phakathi kwenqwaba ethunyelwe kanye nemibhalo yayo ebalulekile.

I-Carbon Steel Pipe RFQ Isifanekiso

Isisekelo sesevisi nokuklama

• Isicelo:
• Umsebenzi omaphakathi noma wesakhiwo:
• Ingcindezi yokuklama nezinga lokushisa:
• Ingcindezi yokusebenza nezinga lokushisa:
• Ukugqwala noma isevisi ekhethekile:
• Ikhodi yokuklama ebusayo:
• Ukucaciswa kwephrojekthi/kweklayenti:

Izinto kanye nobukhulu

• Okujwayelekile kanye nohlelo:
• Ibanga nesimo sokudiliva:
• Umzila wokukhiqiza:
• I-NPS/DN/OD:
• Ubukhulu bodonga noma ishejuli:
• Ubude:
• Ubuningi ngosayizi:
• Izinga lobukhulu kanye nokubekezelela okwengeziwe:

Ukuhlola kanye nemibhalo

• Isitifiketi sokuhlola/MTC:
• I-NDT:
• Ukuhlolwa kwe-Hydrostatic:
• Ukuhlolwa komthelela:
• I-PMI:
• Ukuhlolwa komuntu wesithathu:
• Ulimi lombiko oludingekayo:
• Ukulandeleka nokumaka:

Qeda futhi ulethe

• Ubuso noma ukunamathela:
• Qeda ukulungiselela:
• Ukusika noma ukwenziwa:
• Ukupakisha:
• Indawo oya kuyo:
• Ishejuli yokulethwa:
• Imigomo yohwebo:

Qinisekisa Izinto Zomugqa Wezentengiso

Cela imigqa yekhotheshini ehlukene yefomu lepayipi ngalinye, ibanga, usayizi, ukulungiswa kokuphela, ukunamathela, izinga lokuhlola, kanye nephakheji yedokhumenti. Umphakeli kufanele asho ubuncane benani le-oda, isigayo noma ukutholakala kwesitoko, isikhathi esiholayo sokukhiqiza nokuhlolwa, ukumakwa, ukuhlanganisa noma ukupakishwa okufanele olwandle, imikhawulo yokwenza ngokwezifiso, imigomo yokulethwa, kanye nokuba semthethweni kwekhowutheshini. Ukuqhathaniswa kwamanani kufanele kujwayeze izinga lensimbi, isisekelo sesisindo, ukubekezelelana kobukhulu, ukuhlolwa, ukuhlolwa komuntu wesithathu, ukumbozwa, imibhalo, ukupakisha, kanye nempahla esikhundleni sokuqhathanisa intengo engachazwanga ngethani.

imibuzo ejwayelekile ukubuzwa

Ingabe ibanga le-ASTM lingathathelwa indawo yizinga le-EN elinamandla afanayo?

Hhayi ngokuzenzakalelayo. Qhathanisa ukucaciswa okuphelele komkhiqizo, umzila wokukhiqiza, ikhemistri, izakhiwo zemishini, isimo sokulethwa, ukuhlolwa, ukubekezelela, imibhalo, kanye nekhodi yokuklama ebusayo. Thola imvume yobunjiniyela esemthethweni.

Ingabe ishejuli yanele ukuchaza ukujiya kodonga?

Cha. Buyekeza usayizi wegama kanye neshejuli noma unikeze ubukhulu bangempela bodonga kanye nezinga elibusayo lobukhulu.

Imuphi umbhalo obaluleke kakhulu wokulandeleka?

Isitifiketi sokuhlola esidingekayo noma isitifiketi sokuhlola isigayo simaphakathi, kodwa kufanele sixhume epayipini ngezinombolo zokushisa, izimpawu zomkhiqizo, amathegi enqwaba, namarekhodi okupakisha.

Ingabe abathengi kufanele bamukele isitatimende "sebanga elilinganayo" somphakeli?

Kuphathe njengesinye isiphakamiso, hhayi ukugunyazwa. Cela isiqhathaniso esibhaliwe futhi usihambise ngenqubo yokugunyaza lobuchwepheshe yephrojekthi.

Iluphi ulwazi olukhiqiza izingcaphuno ezinokwethenjelwa ngokushesha?

Nikeza ngezinga elibusayo, ibanga, ubukhulu, amanani, umzila wokukhiqiza, ukuhlola, ukumboza, iziphetho, imibhalo yokuhlola, ukupakisha, indawo, kanye nedethi yokulethwa edingekayo.

Cela Ikhotheshini Yepayipi Elivamile Lamazwe Ngamazwe

I-Maigaotuo ihlinzeka ngamapayipi ensimbi, izingxenye, okokufakwayo, amapuleti, imikhiqizo yensimbi engagqwali, kanye nenetha ngosizo lokucubungula nokuthumela ngaphandle. Thumela i-RFQ egcwalisiwe, umthethosivivinywa wezinto zokwakha, izinga lephrojekthi, imidwebo, izidingo zokuhlolwa, indawo oya kuyo, kanye neshejuli ngokusebenzisa Ikhasi lokuxhumana le-Maigaotuo. Wonke amazinga, amamaki, imibhalo, kanye nokuchezuka kufanele kuqinisekiswe kwikhotheshini yokugcina.