Isingeniso
Ukufakwa kwamapayipi anezintambo kuyindlela ewusizo yokuhlanganisa izinhlelo zamapayipi amancane ngaphandle kokushisela, okwenza kube yinto evamile ezinsizeni, emishinini, kanye nasensizeni yezimboni ejwayelekile. Nokho, ukusebenza kwawo kuncike ekukhetheni uhlobo lokufakwa olufanele, ifomu lentambo, izinto zokwakha, kanye nesigaba sokucindezela somsebenzi. Lesi sihloko sichaza izigaba eziyinhloko zokufakwa kwezintambo, sichaza amazinga alawula ubukhulu kanye nokuvalwa, futhi sibonisa ukuthi lezi zingxenye zivame ukusetshenziswa kuphi. Ekugcineni, abafundi bazoba nesisekelo esicacile sokuqhathanisa izinketho, ukugwema amaphutha avamile okucacisa, kanye nokuqonda ukuthi ukuxhumeka kwezintambo kufaneleka nini uma kuqhathaniswa nokuthi enye indlela yokujoyina iyindlela engcono kangakanani.
Kungani ukufakwa kwamapayipi anezintambo kubalulekile
Ukufakwa kwamapayipi anezintambo kumelela enye yezindlela ezindala kakhulu nezithembekile zokuhlanganisa izinhlelo zamapayipi ngaphandle kwesidingo sokubopha ngensimbi. Ngokusebenzisa izintambo zangaphakathi (zabesifazane) nezangaphandle (zabesilisa) ezisebenza ngomshini oqondile, lezi zingxenye zenza kube lula ukuhlangana okuphephile, okuqinile ezindaweni eziningi zezimboni. Zisetshenziswa kakhulu ezinhlelweni zamapayipi amancane, ngokuvamile anqunyelwe osayizi bamapayipi angama-intshi angu-2 (DN50) nangaphansi. Ngale kwalesi silinganiso esingamasentimitha angu-2, i-torque edingekayo ukuhlanganisa nokuvala kahle amalunga anezintambo iba nzima, futhi ezinye izindlela ezifana nokufulela noma ukushisela ziba yimfuneko.
Ukubaluleka okuhlala njalo kweukufakwa okunentambokuvela ekulinganisweni kwazo okuyingqayizivele kwamandla omshini, ukuzivumelanisa nezimo, kanye nokulula kokuhlanganiswa. Ngenkathi izintambo zamakhemikhali ezinomfutho ophezulu noma eziyingozi kakhulu zivame ukuphoqelela ukwakhiwa okuhlanganisiwe ngokugcwele, ukuxhumeka okunezintambo kuhlala kuyindinganiso yezintambo zokusetshenziswa, izinsimbi, kanye nezinhlelo zenqubo yesibili lapho ukucindezeleka kokusebenza ngokuvamile kuhlala ngaphansi kwe-150 psi kwezicelo ezijwayelekile, noma kufika ku-6,000 psi uma kusetshenziswa ukucushwa okukhethekile okubunjiwe ngodonga olusindayo.
Izinzuzo zokufaka nokulungisa
Inzuzo eyinhloko yokuxhumeka okunezintambo itholakala ekuxhumekeni kwaboukusebenza kahle kokufakwaNgokungafani nokushisela, ukushutheka akudingi izimvume zokusebenza ezishisayo, umoya ohlanzekile okhethekile, noma umsebenzi wensimbi okhethekile kakhulu. Lokhu kusho ukuthi izikhathi zokufaka ezincishisiwe kanye nezindleko zomsebenzi, ezingaba ngaphansi ngo-30% kuya ku-50% kunezinhlanganisela ezishisiwe ezifanayo. Ngaphezu kwalokho, izinhlelo ezishuthelwe azinawo umngcipheko womlilo ngesikhathi sokufakwa, okwenza zilungele ukulungiswa kabusha noma ukunwetshwa ngaphakathi kwezindawo ezisebenzayo neziyingozi lapho ukumisa ukukhiqizwa komsebenzi oshisayo kungenzeki khona ngokwezomnotho.
Ukulungiswa kokulungiswa kanye nokulungiswa kwesistimu nakho kuzuza kakhulu ekwakhiweni kwezintambo. Uma ipayipi lidinga ukuhlelwa kabusha komzila, ukuhlolwa, noma ukushintshwa kwezingxenye, ukufakwa kwezintambo—ikakhulukazi ama-union—kuvumela ochwepheshe ukuthi bahlukanise izingxenye ezithile ngokushesha ngaphandle kokusika ipayipi. Lokhu kuguquguquka kunciphisa isikhathi sokungasebenzi futhi kuvumela ukubuyiselwa kanye nokusetshenziswa kabusha kwama-valve abizayo kanye nezinsimbi.
Izicelo ezivamile zezimboni
Izicelo zezimboni zokufakwa kwezintambo ziningi, yize ngokuvamile zigxile ezinhlelweni eziwusizo kanye nezinsiza esikhundleni semigqa yenqubo eyingozi eyinhloko. Ukusatshalaliswa kwamanzi okupholisa, amanethiwekhi omoya wezinsimbi, kanye nezinhlelo zomusi ophansi zithembele kakhulu kulezi zingxenye. Ekuvikelweni komlilo kwezentengiselwano kanye nezimboni, ukufakwa kwensimbi okuthambile okufakwe izintambo kuyindinganiso evamile yemigqa yamagatsha esistimu yokufafaza.
Ngaphezu kwalokho, umkhakha kawoyela negesi usebenzisa izinto eziqinile ezifakwe izintambo zokufaka izinto ezisemaphethelweni emithombo, izikidi zokujova ngamakhemikhali, kanye nemigqa yokulawula i-hydraulic. Kulezi zindawo, ukuxhumeka kwezintambo kunikeza ubuqotho besakhiwo obudingekayo ukuze kumelwane nokucindezeleka okukhulu kokusebenza ngenkathi kuvumela ukuhlanganiswa okusheshayo kwensimu okudingekayo ezindaweni ezikude noma ezisogwini lolwandle.
Izinhlobo, imicu, nezinto zokwakha
Ukuguquguquka kwesistimu yamapayipi anezintambo kuncike ngokuphelele ekuchazweni okufanele kwe-geometri yokulinganisa, amaphrofayili ezintambo, kanye nezakhiwo zensimbi. Ukukhetha inhlanganisela efanele kuqinisekisa ukuthi ipayipi lingahlangabezana nezinguquko ezidingekayo zokuqondisa, ukuxhumana kwamagatsha, kanye nezidingo zokucindezela ngaphandle kokubeka engcupheni amandla okugeleza noma ubuqotho bemishini. Onjiniyela kumele bahambe nge-matrix yokucushwa, amakilasi okucindezela asukela ku-Class 150 kuya ku-Class 6000, kanye nezindinganiso ezahlukahlukene zezintambo.
Izinhlobo ezivamile zokufaka
Amanethiwekhi amapayipi adinga ukulungiswa okuhlukahlukene kokuqondisa kanye nokwevolumu, okufezwa ngokusebenzisa amajiyometri athile okufaka. Izindololwane (ngokuvamile ezingama-90° kanye nama-45°) zenza kube lula ukushintshashintsha kokuqondisa, kuyilapho ama-tee kanye neziphambano zivumela ukusatshalaliswa nokuxutshwa kokugeleza. Ama-coupling axhuma izingxenye zamapayipi eziqondile, ama-reducers ashintsha phakathi kobubanzi obuhlukene bamapayipi, kanye nama-cap noma ama-plug avala iziphetho zesiphelo. Ama-union ayizingxenye ezibalulekile ezivumela ukunqanyulwa kwamapayipi ngaphandle kokujikeleza izingxenye zamapayipi eziseduze.
| Uhlobo Lokulinganisa | Umsebenzi Oyinhloko | Ukumelana Nokugeleza Okuvamile (i-K-factor) |
|---|---|---|
| I-Elbow Ejwayelekile engu-90° | Ishintsha isiqondiso sokugeleza ngama-degree angu-90 | 1.50 |
| I-T-shirt Ejwayelekile | Ihlukanisa noma ihlanganise imifudlana yokugeleza | 1.80 (Ukugeleza kwegatsha) |
| Ukuhlanganisa Okugcwele | Ihlanganisa iziphetho ezimbili zamapayipi ngendlela eqondile | 0.04 |
| Inyunyana | Ivumela ukunqanyulwa kwesistimu okusemgqeni | 0.04 |
| I-Hex Bushing | Yehlisa usayizi woxhumano | 0.05 |
Umehluko we-NPT, BSPT, kanye ne-BSPP
Ubuqotho benhlanganisela enentambo buncike kuphrofayili ethile yentambo esetshenziswayo, kanti i-NPT (National Pipe Taper), i-BSPT (British Standard Pipe Taper), kanye ne-BSPP (British Standard Pipe Parallel) ziyizindinganiso ezivelele emhlabeni jikelele. Izintambo ze-NPT, ezijwayelekile eNyakatho Melika, zine-engeli yentambo engama-degree angu-60 kanye neziqongo nezigodi ezisicaba. Izinga le-taper liyi-intshi eli-1 ngamasentimitha angu-16, okudala ukulingana kokuphazamiseka okuvala ukuguqulwa kwensimbi nensimbi kuhlanganiswe ne-sealant yentambo.
Ngakolunye uhlangothi, imicu ye-BSPT isebenzisa i-engeli engama-degree angu-55 eneziqongo nezigodi eziyindilinga. Ngenkathi i-BSPT ithembele ku-geometry enciphile ukuze ivalwe, i-engeli yayo ehlukile kanye ne-pitch kuyenza ingahambisani nhlobo ne-NPT; ukuphoqelela lokhu kokubili ndawonye kuqinisekisa ukuvuza kanye nomonakalo wentambo. Imicu ye-BSPP, engenawo i-taper, ayakhi uphawu ngokuphazamiseka kwentambo; idinga i-elastomeric O-ring noma i-bonded seal washer ukuvimbela ukuphuma koketshezi, okwenza zifaneleke kakhulu ezinhlelweni ezidinga ukuhlukaniswa njalo.
Izinketho zokulinganisa izinto ezibonakalayo kanye nengcindezi
Ukukhethwa kwezinto kunquma kokubili ukumelana nokugqwala kanye nemvilophu yokushisa kokucindezela kokufakwa. Insimbi ethambile ivame kakhulu kumapayipi ebhizinisi anomfutho ophansi, ngokuvamile alinganiswa ngezicelo ze-Class 150 noma ze-Class 300. Ukuze kuqiniswe izimboni, kusetshenziswa insimbi yekhabhoni eyenziwe ngobumba (isb., i-ASTM A105), ekhiqizwa ngezilinganiso ze-Class 2000, 3000, kanye ne-6000. Isibonelo, ukufakwa okwenziwe ngobumba kwe-Class 3000 kuhlanganiswa njalo nepayipi le-Schedule 80 lezicelo zezimboni ezinomfutho ophezulu.
Uma kukhona imidiya egqwalisayo noma amazinga okushisa aphezulu, kucacisiwe izinsimbi eziqinile ze-austenitic ezifana ne-304/304L kanye ne-316/316L. Lezi zinto ziyamelana nokuhlaselwa kwe-oxidation kanye namakhemikhali ngenkathi zigcina amandla omshini emazingeni okushisa aphezulu. Ezindaweni ezikhethekile kakhulu, kusetshenziswa izinsimbi ezingavamile ezifana ne-Monel, i-Hastelloy, noma insimbi engagqwali ye-Duplex, yize lokhu kungakhuphula izindleko zezingxenye ngama-factor angu-5 kuya kwangu-10 uma kuqhathaniswa nensimbi ejwayelekile yekhabhoni.
Izindinganiso kanye nokuhambisana
Ngenxa yokuthi izinsimbi ezifakwe izintambo zifakwa ezindaweni ezicindezelekile lapho ukwehluleka kungaholela ekukhululweni okukhulu kwemvelo, ekulimaleni kwempahla, noma ekulimaleni, zilawulwa yizindinganiso zomhlaba wonke eziqinile. Lezi zinhlaka ziqinisekisa ukufana kobukhulu, ukuziphatha kwensimbi okubikezelwayo, kanye nokugcinwa kwengcindezi okuthembekile kungakhathaliseki indawo yomenzi. Ukunamathela kulezi zindinganiso kuqinisekisa ukuthi izinsimbi ezitholakala endaweni eyodwa zizohlangana kalula nepayipi elifakwe izintambo kwenye, zigcine ukubekezelelana kuqinile njengokujika kwentambo okungu-+/- 1.
Izindinganiso ezibalulekile ze-ASME, ASTM, ISO, EN, kanye ne-MSS
Ukukhiqizwa kanye nokucaciswa kwezinsimbi ezifakwe izintambo kulawulwa kakhulu yizinhlangano ezifana ne-ASME, i-ASTM, i-ISO, kanye ne-EN. I-ASME B16.11 iyindinganiso ecacile yezinsimbi ezifakwe insimbi, enquma ubukhulu, ukubekezelelana, kanye nezidingo zezinto zokwakha ukushisela amasokhethi kanye nokucushwa kwezintambo. Okwamanje, amaphrofayili ezintambo ngokwawo alawulwa yi-ASME B1.20.1 ye-NPT kanye ne-ISO 7-1 ye-BSPT.
| Ukuqokwa Okujwayelekile | Isigungu Esibusayo | Ububanzi Obuyinhloko kanye Nokusetshenziswa |
|---|---|---|
| I-ASME B16.11 | I-American Society of Mechanical Engineers | Ubukhulu kanye nezilinganiso zezinsimbi ezihlanganisiwe ezifakwe intambo kanye nezinsimbi zokushisela ezisokhethi |
| I-ASME B1.20.1 | I-American Society of Mechanical Engineers | Imininingwane yezintambo zepayipi le-NPT ezisetshenziswa kabanzi |
| I-ISO 7-1 | Inhlangano Yomhlaba Wonke Yokumisa Izindinganiso | Ubukhulu kanye nokubekezelelana kwezintambo zamapayipi eziqinile (BSPT) |
| I-ASTM A105 / A182 | I-American Society for Testing and Materials | Imininingwane yezinto zokwakha zensimbi yekhabhoni (A105) kanye nensimbi engagqwali/i-alloy (A182) |
| I-EN 10241 | IKomidi LaseYurophu Lokumisa Izindinganiso | Imininingwane yokufakwa kwamapayipi anentambo yensimbi asetshenziswa ezimakethe zaseYurophu |
Isitifiketi, ukulandelelwa, kanye nokuhlolwa
Ukuthobela imithetho kudlulela ngale kokunemba kobukhulu kuya ekulandeleni izinto ngokuqinile kanyeukuqinisekisa ikhwalithiAmaphrojekthi ezimboni aphezulu adinga imibiko yokuhlolwa kwezinto (ama-MTR) ehambisana ne-EN 10204 Type 3.1, eqinisekisa ukuthi ukwakheka kwamakhemikhali okufakwayo kanye nezakhiwo zemishini kuqinisekiswe umnyango wokuhlola ozimele womenzi. Lokhu kulandeleka kuqinisekisa ukuthi okulingana nekhabhoni kuhlala ngaphakathi kwemingcele eyamukelekayo yokushintshwa (uma kusebenza) kanye nobuqotho besakhiwo.
Izinqubo zokuhlola zivame ukufaka i-Positive Material Identification (PMI) ukuqinisekisa ukwakheka kwe-alloy, okubaluleke kakhulu ngensimbi engagqwali engu-316 ukuqinisekisa okuqukethwe okwanele kwe-molybdenum (ngokuvamile okungu-2.0% kuya ku-3.0%) kokumelana nomgodi. Ngaphezu kwalokho, yize izinto zokufaka ngokwazo zingahlolwanga ngamanzi ngumkhiqizi ngamunye, zenzelwe ukumelana nokuhlolwa kwe-hydrostatic yesistimu ngokuphindwe ka-1.5 kunokucindezela komklamo okuphezulu ngaphandle kokuvumela noma ukuvuza.
Indlela yokuhlola nokuthola imithombo yokufakwa
Ukuthola izixhumi zamapayipi ezinentambo kudinga indlela ehlelekile elinganisela imininingwane yobuchwepheshe namaqiniso ochungechunge lokuhlinzeka. Abathengi nonjiniyela kumele bahlole hhayi nje kuphela izidingo zohlelo lokusebenza olusheshayo kodwa futhi nokuthembeka kwesikhathi eside kwezingxenye. Ukubala okungalungile ekuhloleni ikhwalithi yokufakwa noma ukwehluleka ukulindela izikhathi zokuhola kungabangela ukubambezeleka kwephrojekthi okubizayo noma ukwehluleka kohlelo ngaphambi kwesikhathi.
Izici zokufaneleka kwesicelo kanye nokukhetha
Okubaluleke kakhulu ekufuneni izinsiza ukuhambisana okunembile phakathi kokufakwa kanye nemvilophu yokusebenza yesicelo. Imikhawulo yokushisa ibalulekile; isibonelo, ngenkathi ukufakwa kwensimbi yekhabhoni kungamelana namazinga okushisa aphezulu, itheyiphu ye-PTFE thread sealant evame ukusetshenziswa nayo ngokuvamile yonakala ngaphezu kuka-260°C (500°F). Ezimweni ezinjalo, ezinye izithiyo zokushisa eziphakeme noma ukwakheka okukhethekile kwentambo efanayo enezithiyo zensimbi kumele kuhlolwe.
Ukudlidliza kungenye into ebalulekile yokukhetha. Amalunga anezintambo ezithambile asengozini yokubuyela emuva ngaphansi kokudlidliza okukhulu, okuvame kakhulu. Uma uhlelo lubhekene nokudlidliza okuqhubekayo komshini okuvela kumaphampu noma kuma-compressor, abathengi kufanele bahlole ukuthi izintambo ezinezintambo zifanelekile yini nhlobo, noma ukuthi izintambo ezivala izintambo kanye nezintambo ezisindayo ze-Class 6000 ziyadingeka yini ukuhlinzeka ngobubanzi obudingekayo bokuqina kanye nobubanzi bokuzibandakanya kwentambo ukuze kumelwane nokuxega kokudlidliza.
Izindawo zokuhlola zekhwalithi
Izindawo zokuhlola zekhwalithi eqinile kumele zisungulwe ngesikhathi sesigaba sokuhlola. Abathengi kufanele bahlole abahlinzeki ukuze babone ukuthi intambo ilinganiswe kahle; izintambo ezisikwe zijule kakhulu noma zingajulile kakhulu zizohluleka ukufeza ukulingana okudingekayo kokuphazamiseka, okuholela ekuvuvukeni okujikelezayo. Ukuhlolwa okubonakalayo kufanele kuqinisekise ukungabikho kwama-burrs, ukudabuka, noma amamaki okuxoxa ezintanjeni, okubonisa imikhuba emibi yomshini kanye nezindawo zokuvala ezisengozini.
Ubukhulu bodonga bungenye indawo yokuhlola ebalulekile. Ukufakwa kwe-Class 3000 kumele kube nobukhulu bodonga obanele ukuze kufane noma kudlule ukucindezela okukhulu kwepayipi le-Schedule 80. Abakhiqizi abangaphansi kwekhwalithi bangase bachebe ubukhulu bodonga ukuze bonge izindleko zezinto zokusetshenziswa. Ngezicelo ezibalulekile zezimboni,amaqembu okuthengakufanele kuqondiswe kubaphakeli ababonisa amazinga okukhubazeka angaphansi kuka-0.1% njalo, okusekelwa izinhlelo zokuphatha ikhwalithi ze-ISO 9001 eziqinile.
I-MOQ, isikhathi sokulethwa, ukupakisha, kanye nokuthola
Amagama okuthutha kanye nezentengiselwano athinta kakhulu amasu okuthola imali. Izinsimbi ze-carbon ezijwayelekile kanye nezinsimbi zensimbi engagqwali ezingama-304/316 ngokuvamile zithwala ubungako be-oda obuncane (ama-MOQ) obusukela ezingcezu ezingama-500 kuya kweziyi-1,000ama-oda aqondile efektri, yize abasabalalisi bevame ukuhlinzeka ngamaqoqo amancane ngentengo ephezulu. Izikhathi zokuhola zezinto ezijwayelekile ezibunjiwe zivame ukuba phakathi kwamasonto amane kuya kwayisishiyagalombili, kanti ama-alloy angavamile njenge-Hastelloy anganwebeka amasonto ayi-12 noma ayi-16 ngenxa yokuntuleka kwezinto zokusetshenziswa.
Ukupakishwa kuyipharamitha yokutholwa evame ukunganakwa. Ukufakwa kwensimbi yekhabhoni kusengozini enkulu yokushiswa yi-oxidation ngesikhathi sokuhamba olwandle. Abathengi kumele bachaze izindlela zokwelapha ezilwa nokugqwala, njengezimbozo zikawoyela ezilula, futhi badinga ukupakishwa kwezinga lokuthumela ngaphandle—njengezikhwama ze-vapor corrosion inhibitor (VCI) ngaphakathi kwamabhokisi ezinkuni aqinile—ukuqinisekisa ukuthi izingxenye zifika endaweni yokwakha zisesimweni sokulungele ukufakwa.
Ukucaciswa kanye nohlaka lokuthenga
Ukuze kuncishiswe izingozi ezihambisana nezingxenye ezingahambisani kanye nezithiyo zochungechunge lokuhlinzeka, izinhlangano kumele zisebenzise uhlaka olujwayelekile lokucaciswa kanye nohlelo lokuthenga. Ngokwenza umjikelezo wokuphila kokuthengwa kwempahla ube semthethweni, izinkampani ziqinisekisa ukuvumelana kuzo zonke izikhungo eziningi, zinciphise izindleko eziphelele zobunikazi, futhi zivumelanise izidingo zobuchwepheshe zomnyango wobunjiniyela namaqiniso ezentengiselwano eqembu lokuthengwa kwempahla.
Inqubo yokucacisa isinyathelo ngesinyathelo
Inqubo eqinile yokucacisa ilandela indlela echazwe ngokuqinile, isinyathelo ngesinyathelo. Isinyathelo sokuqala sichaza imidiya yoketshezi, ingcindezi yokusebenza, kanye nokushisa okuphezulu (isb., umusi ogcwele ku-150 PSI). Isinyathelo sesibili sinquma ibanga lezinto ezibonakalayo kanye nesigaba sokucindezela esidingekayo ukuze kugcinwe ngokuphephile leyo midiya. Isinyathelo sesithathu silinganisa uhlobo lwentambo (isb., ukuphoqelela i-NPT esikhungweni saseNyakatho Melika ukuvimbela ukuxhunywa kwezingxenye ze-BSPT).
Isinyathelo sesine sihilela ukucacisa izindinganiso zokuthobela imithetho ezidingekayo kanye nemibhalo yokuhlola, njengokufuna ukuhambisana ne-ASME B16.11 kanye nama-EN 10204 3.1 MTR. Okokugcina, isinyathelo sesihlanu sidinga ukubuyekezwa kobuchwepheshe lapho ukuhlanganiswa okucacisiwe kuqinisekiswa khona ngokumelene neshejuli yamapayipi esetshenziswayo, ukuqinisekisa ukuthi ukufakwa kwe-Class 3000 enomfutho ophezulu akuxhunyaniswe ngephutha nepayipi le-Schedule 10 elinodonga oluncane, okungadala iphuzu elibuthakathaka eliyingozi empandeni yentambo.
Izindima zobunjiniyela, ukusatshalaliswa, kanye nokuthengwa kwempahla
Ukuthengwa kwempahla okuphumelelayo kuncike emizamweni ehambisanayo yamaqembu obunjiniyela, okusabalalisa, kanye nokuthengwa kwempahla.
Izinto Ezibalulekile Okufanele Uzicabangele
- Iziphetho ezibaluleke kakhulu kanye nesizathu sokufakwa kwamapayipi anezintambo
- Imininingwane, ukuhambisana, kanye nokuhlolwa kwengozi okufanele kuqinisekiswe ngaphambi kokuthi uzibophezele
- Izinyathelo ezilandelayo ezisebenzayo kanye nezixwayiso abafundi abangazisebenzisa ngokushesha
imibuzo ejwayelekile ukubuzwa
Yimuphi usayizi wepayipi ofaneleka kakhulu ekufakweni kwepayipi elinezintambo?
Ngokuvamile zisetshenziswa emigqeni emincane efinyelela kumasentimitha angu-2 (DN50). Ngaphezu kwalowo sayizi, i-torque yokuhlanganisa kanye nengozi yokuvuza iyanda, ngakho-ke amajoyinti ahlanganisiwe noma ahlanganisiwe avame ukukhethwa.
Yiziphi izinhlobo ezivame kakhulu zokufakwa kwamapayipi anezintambo?
Izinhlobo ezivamile zifaka phakathi izindololwane, ama-tee, ama-coupling, ama-reducer, ama-cap, ama-plug, ama-bushing, kanye nama-union. Ngayinye isebenza umsebenzi othize njengokushintsha isiqondiso, ukugeleza kwamagatsha, ukujoyina ipayipi, noma ukuvumela ukuhlukaniswa kalula.
Ihluke kanjani imicu ye-NPT, BSPT, kanye ne-BSPP?
I-NPT isebenzisa intambo enciphile engu-60° evame eNyakatho Melika. I-BSPT inciphile engu-55°, kuyilapho i-BSPP ilingana no-55° futhi ivame ukuvala nge-washer noma i-O-ring. Ungahlanganisi amazinga.
Kuphi lapho kusetshenziswa khona izinto zokufaka amapayipi anezintambo?
Zivame kakhulu emanzini apholile, emoyeni wezinsimbi, umusi ophansi, imigqa yamagatsha okufafaza, kanye nezinsimbi zensimu kawoyela noma imigqa yokulawula i-hydraulic lapho ukuhlanganiswa nokugcinwa okusheshayo kubalulekile khona.
Ngingamkhetha kanjani umhlinzeki wezinto zokufaka izintambo ofanele wephrojekthi yami?
Hlola ukuthi umhlinzeki unikeza indinganiso yentambo edingekayo, isigaba sokucindezela, kanye nezinto zokwakha, kanye nekhwalithi yomshini ehambisanayo. Ku-nbfh-metal.com, buyekeza ububanzi bomkhiqizo kanye namakhono efektri ngaphambi kokucela imininingwane noma isilinganiso.
Isikhathi sokuthunyelwe: Meyi-13-2026