Ukuqonda umehluko phakathi kwezinhlobo ezahlukene zezintambo kubalulekile ezimbonini eziningi, ikakhulukazi emkhakheni wamapayipi namasistimu oketshezi.Kulesi sihloko, sizocubungula ukuhlobana nokubaluleka kokuqonda umehluko wochungechunge, futhi sinikeze umbono kafushane wezinhlobo ezintathu zochungechunge ezivame ukusetshenziswa: BSPP, BSPT, kanye no-R kanye ne-Rc.
Ukubaluleka kokuqonda umehluko wentambo kulele eqinisweni lokuthi uhlobo ngalunye lunezici zalo ezihlukile kanye nezicelo.Ukukhetha uhlobo olungalungile lochungechunge kungaholela ekuvuzeni, ukungasebenzi, ngisho nezingozi ezingaba khona zokuphepha.Ngokuthola ukuqonda okujulile kwezinhlobo zezintambo, ochwepheshe bangaqinisekisa ukufakwa okufanele, ukusebenza kahle, nokuphila isikhathi eside kwamasistimu abo.
Izinhlobo ezintathu zentambo esizozihlola yi-BSPP (British Standard Pipe Parallel), i-BSPT (i-British Standard Pipe Tapered), kanye ne-R kanye ne-Rc (I-American National Standard Taper Pipe Thread).Uhlobo ngalunye lunezici zalo ezihlukile, njenge-engeli ye-taper, indlela yokuvala uphawu, nokuhambisana nokufakwa okuhlukahlukene.Ngokuzijwayeza ngalo mehluko, singenza izinqumo ezinolwazi lapho sikhetha uhlobo lwentambo olufanele lwezinhlelo zethu zokusebenza ezithile.
Kungakhathaliseki ukuthi ungumuntu osebenza ngamapayipi amanzi, unjiniyela, noma ungumuntu nje onentshisekelo yokufunda okwengeziwe mayelana namasistimu okufaka amapayipi amanzi noketshezi, lesi sihloko sizokunikeza imininingwane ebalulekile ngokubaluleka nokubaluleka kokuqonda umehluko wentambo.Ngakho-ke, masingene sihlole umhlaba we-BSPP, BSPT, nochungechunge lwe-R ne-Rc.
Iyini intambo ye-BSPP?
Intambo ye-BSPP, eyaziwa nangokuthi intambo ye-British Standard Pipe Parallel, iwuhlobo lwentambo evamise ukusetshenziswa ezinhlelweni zamapayipi nama-hydraulic.Ingenye yezindinganiso zentambo ezimbalwa ezisetshenziswa emhlabeni jikelele, okuhlanganisa i-BSPT (i-British Standard Pipe Taper), uchungechunge lwe-R, kanye nentambo ye-Rc.Ukuqonda umehluko phakathi kwalezi zinhlobo zezintambo kubalulekile ukuze uqinisekise ukuxhumana okufanele nokuhambisana ezinhlelweni ezahlukene.
Uchungechunge lwe-BSPP lunomklamo ofanayo, lapho imicu ihlukaniswa ngokulinganayo futhi igijima ngokuhambisana.Lokhu kuvumela ukuxhumana okuqinile nokuvikelekile phakathi kwezingxenye zowesilisa nowesifazane.Imicu ilinganiswa ngokwenani lemicu ngentshi ngayinye, eyaziwa ngokuthi i-TPI.Endabeni yochungechunge lwe-BSPP, ngokuvamile luba nemicu engu-14 iyintshi ngayinye.
Enye yezinzuzo ezibalulekile zentambo ye-BSPP kulula ukuyifaka.Idizayini ehambisanayo ivumela ukuhlangana okuqondile, njengoba izingxenye zesilisa nezesifazane zingamane ziboshwe ndawonye ngaphandle kwesidingo samandla amakhulu.Lokhu kukwenza kube ukukhetha okudumile ezinhlelweni zokusebenza lapho kudingeka ukuqaqa njalo nokuhlanganisa kabusha, njengasezinhlelweni zama-hydraulic.
Intambo ye-BSPP yaziwa nangezakhiwo zayo ezikwazi ukumelana nokuvuza.Izintambo ezihambisanayo zenza uphawu oluqinile lapho luhlanganiswe kahle, okunciphisa ubungozi bokuvuza.Lokhu kubaluleke kakhulu ezinhlelweni zokusebenza lapho ukudluliselwa koketshezi noma amagesi kuhilelekile, njengoba ngisho nokuvuza okuncane kungaholela ekulahlekelweni okukhulu noma ezingozini zokuphepha.
Uma kuqhathaniswa nentambo ye-BSPT, efaka umklamo ocijile, intambo ye-BSPP inikeza izinzuzo ezithile.Idizayini efanayo yentambo ye-BSPP ivumela ukugeleza okungaguquki kakhudlwana koketshezi noma amagesi, njengoba kungekho zinguquko zobubanzi ngobude bomucu.Lokhu kungaba yinzuzo ezinhlelweni zokusebenza lapho kudingeka isilinganiso sokugeleza esingaguquki, njengakumasistimu okulawula ingcindezi.
Ngaphezu kwezintambo ze-BSPP ne-BSPT, izintambo ze-R ne-Rc nazo zivame ukusetshenziswa ezimbonini ezihlukahlukene.Intambo ka-R, eyaziwa nangokuthi intambo kaWhitworth, iyintambo efanayo efana ne-BSPP.Nokho, inefomu elihlukile lentambo futhi ngokuvamile isetshenziswa ezinhlelweni lapho kudingeka khona isilinganiso sokucindezela okuphezulu.
Ngakolunye uhlangothi, intambo ye-Rc, eyaziwa nangokuthi intambo ye-taper parallel, ihlanganisa izici zazo zombili izintambo ze-BSPP ne-BSPT.Inomklamo ocijile njenge-BSPT, kodwa onezintambo ezifanayo njenge-BSPP.Lokhu kuyenza ifaneleke izinhlelo zokusebenza lapho kudingeka khona kokubili ukuvalwa okuqinile kanye nokufaka kalula.
Izici eziyisisekelo ze-BSPP
Esinye sezici ezibalulekile ze-BSPP ukwakheka kwayo kwentambo efanayo.Ngokungafani ne-BSPT, enentambo yokuqopha, imicu ye-BSPP iqondile futhi iyahambisana.Lo mklamo uvumela ukuxhumana okuqinile nokuvikelekile phakathi kwamapayipi nokufakwa.Iqinisekisa ukuvuza okungavuzi futhi inikeza ukuzinza nokwethembeka ezinhlelweni ezihlukahlukene.
Esinye isici esibalulekile se-BSPP usayizi wayo wentambo.Izintambo ze-BSPP zikalwa ngosayizi wamapayipi okuzisholo (NPS), okubonisa ububanzi bangaphakathi bepayipi.Ubukhulu bentambo bunqunywa ububanzi obungaphandle bepayipi kanye ne-pitch yentambo.Osayizi abajwayelekile bentambo ye-BSPP bahlanganisa 1/8', 1/4', 3/8', 1/2', 3/4', 1', 1-1/4', 1-1 /2', kanye no-2'. Lab' osayizi basetshenziswa kakhulu kuma-plumbing nama-hydraulic systems, okwenza i-BSPP ibe ukukhetha okuhlukahlukene kwezinhlelo zokusebenza ezihlukahlukene.
Imicu ye-BSPP nayo inomshini wokuvala ohlukile.Ngokungafani nezinye izinhlobo zezintambo ezithembele ku-tape noma i-sealant ukudala uphawu, izintambo ze-BSPP zisebenzisa iwasha yokuvala uphawu noma i-O-ring.Le washer noma i-O-ring ifakwa phakathi kwemicu yesilisa neyesifazane, idale uphawu oluqinile lapho uxhumano luqiniswa.Le ndlela yokuvala iqinisekisa ukuhlangana okuthembekile nokungavuziyo, okwenza i-BSPP ifanelekele izinhlelo zokusebenza ezinomfutho ophezulu.
Ngaphezu kwalezi zici, izintambo ze-BSPP ziyaziwa nangokuhambisana kwazo nezinye izinhlobo zentambo.Nakuba imicu ye-BSPP ne-BSPT inemiklamo ehlukene, ingaxhunywa kusetshenziswa ama-adaptha.Lokhu kuvumela ukuguquguquka kwezinhlelo zamapayipi kanye ne-hydraulic, njengoba izinhlobo ezahlukene zezintambo zingasetshenziswa ndawonye ngaphandle kokuyekethisa ubuqotho bokuxhuma.
Uma kuziwa ekukhetheni phakathi kwezintambo ze-BSPP, BSPT, ne-R kanye ne-Rc, kubalulekile ukucabangela izidingo ezithile zohlelo lokusebenza.Imicu ye-BSPP ivame ukusetshenziswa ezinhlelweni lapho ukuxhumana okuphephile nokungavuziyo kubalulekile.Zifanele izinhlelo ze-high-pressure futhi zinikeze ukuzinza nokuthembeka ezimbonini ezihlukahlukene.
I-BSPP Thread Design kanye nobukhulu
Intambo ye-BSPP iwumklamo wentambo ehambisanayo, okusho ukuthi ububanzi bentambo buhlala bufana nobude bonke.Lokhu kwenza kube lula ukuhlanganisa nokuqaqa izingxenye usebenzisa okokufakwa kwe-BSPP.I-engeli yochungechunge ingama-degrees angu-55, okunikeza uxhumano oluvikelekile nolungavuzi.Ubukhulu bomucu we-BSPP bumisiwe, buqinisekisa ukuhambisana nokushintshana kwezingxenye.
Uma uqhathanisa intambo ye-BSPP nentambo ye-BSPT, umehluko omkhulu ulele ku-taper.Intambo ye-BSPT ine-taper engu-1:16, okusho ukuthi ububanzi buyancipha kancane kancane ngobude bentambo.Le taper ivumela uphawu oluqinile, okwenza intambo ye-BSPT ifanele izinhlelo zokusebenza lapho ukuxhumana okungenakuvuza kubalulekile.Kodwa-ke, intambo ye-BSPT idinga ukusetshenziswa kwenhlanganisela yokuvala noma i-thread sealant ukuze kuqinisekiswe uphawu olufanele.
Ngakolunye uhlangothi, intambo ye-BSPP ayinayo i-taper futhi incike ekwakhiweni okufanayo ukuze kubekwe uphawu.Lokhu kwenza kube lula ukufaka nokukhipha izingxenye ngaphandle kwesidingo sama-sealant engeziwe.Kodwa-ke, kubalulekile ukuqaphela ukuthi intambo ye-BSPP ingase inganikezeli njengesigxivizo esiqinile njengentambo ye-BSPT kwezinye izinhlelo zokusebenza.
Omunye umklamo wentambo okufanele ucatshangelwe yintambo ye-R ne-Rc.Uchungechunge luka-R lumelela okuthi 'Kubi' futhi uchungechunge lwe-Rc lumele ukuthi 'Kumahhadla ngokungena ngemvume'.Lezi zintambo zisetshenziswa ngokuyinhloko e-United States futhi azitholakali ngokuvamile kwezinye izingxenye zomhlaba.Ubukhulu bezintambo ze-R ne-Rc zihlukile kunezintambo ze-BSPP ne-BSPT, zibenza kungasebenzisani.
Inkambu yohlelo lokusebenza yochungechunge lwe-BSPP
Embonini ye-hydraulic, intambo ye-BSPP ikhethwa ngenxa yekhono layo lokusingatha ukucindezela okukhulu nokumelana nezimo ezimbi kakhulu.Isetshenziswa kakhulu kumaphampu we-hydraulic, amasilinda, ama-valve, nezinye izakhi.Umklamo ofanayo wentambo uqinisekisa uphawu oluqinile, ukuvimbela noma yikuphi ukuvuza noma ukulahlekelwa kwengcindezi.Lokhu kukwenza kube ukukhetha okuhle kwezinhlelo zokusebenza ezidinga uhlelo oluthembekile nolusebenzayo lwe-hydraulic.
Enye inkambu yohlelo lokusebenza lapho intambo ye-BSPP isetshenziswa kakhulu kumasistimu womoya.Amasistimu we-pneumatic athembele emoyeni ocindezelwe noma igesi ukuze asebenzise amathuluzi ahlukahlukene kanye nemishini.Intambo ye-BSPP ivame ukutholakala ekufakweni kwe-pneumatic, izixhumi, nama-valve, okuqinisekisa ukuxhumana okuphephile kokudluliswa komoya noma igesi.Ukwakheka kwayo okuhambisanayo kuvumela ukufakwa nokususwa kalula, okwenza kube lula ukugcinwa nokulungiswa.
Intambo ye-BSPP nayo isetshenziswa kabanzi embonini yamapayipi.Ivame ukutholakala ekufakweni kwamapayipi, amapayipi, nezinto ezilungiswayo.Idizayini ehambisanayo yentambo ivumela ukuvala okuqinile, ukuvimbela noma yikuphi ukuvuza noma ukumoshakala kwamanzi.Lokhu kuyenza ifaneleke kokubili izicelo zokuhlala kanye nezohwebo zamapayipi amanzi.Kungakhathaliseki ukuthi ukuxhuma amapayipi, ukufaka ompompi, noma ukulungisa amasistimu amapayipi, intambo ye-BSPP inikeza isisombululo esithembekile nesisebenzayo.
Ngaphezu kokusebenza kwayo ezinhlelweni ezisebenza nge-hydraulic, pneumatic, kanye namapayipi, intambo ye-BSPP isetshenziswa kwezinye izimboni ezahlukahlukene njengezezimoto, ezokukhiqiza kanye nezolimo.Ivame ukutholakala ezinhlelweni zikaphethiloli, amasistimu okugcoba, kanye nezinhlelo zokunisela.Ukusebenziseka kwayo ngezindlela eziningi kanye nokuhambisana kwayo kuyenza ibe ukukhetha okudumile ezinhlelweni eziningi ezahlukene.
Indlela yokubeka uphawu kanye namaphoyinti asemqoka wentambo ye-BSPP
Elinye lamaphuzu asemqoka okufanele icatshangelwe lapho usebenzisa intambo ye-BSPP indlela yokuvala.Imicu ye-BSPP incike ekusetshenzisweni kwewasha evala uphawu noma i-O-ring ukuze kwakheke uphawu oluqinile.Le ndlela yokuvala iqinisekisa ukuthi uxhumano luhlala lungavuzi, ngisho nangaphansi kwengcindezi ephezulu noma izimo zokushisa.Ukusetshenziswa kwe-washer yokuvala uphawu noma i-O-ring nakho kuvumela ukufakwa nokugcinwa kalula, njengoba uphawu lungashintshwa kalula uma kunesidingo.
Elinye iphuzu elibalulekile okufanele uliqaphele mayelana nentambo ye-BSPP ukuhambisana kwayo nezinye izinhlobo zentambo.Ngenkathi imicu ye-BSPP ihambisana, imicu ye-BSPT ifakwe tape.Lo mehluko ekwakhiweni kusho ukuthi izintambo ze-BSPP ne-BSPT azishintsheki ngokuqondile.Kodwa-ke, ama-adaptha nokufakwa kuyatholakala ukuxhuma lezi zinhlobo ezimbili zezintambo.Kubalulekile ukuqinisekisa ukuthi inhlanganisela efanele yemicu isetshenziswa ukugwema noma yikuphi ukuvuza noma ukwehluleka kokuxhumana.
Ngokungeziwe endleleni yokuvala nokuhambisana, usayizi nobukhulu bezintambo ze-BSPP nakho kubalulekile.Imicu ye-BSPP ikalwa ngamayintshi futhi inenombolo ecacisiwe yemicu iyintshi ngayinye.Lolu hlelo lokulinganisa olujwayelekile luqinisekisa ukuthi imicu ye-BSPP ingakhonjwa kalula futhi ifaniswe nezinto ezihambisanayo nezixhumi.Kubalulekile ukukala ngokunembile usayizi wentambo kanye nephimbo ukuze uqinisekise ukulingana okufanele nokuvala.
Izintambo ze-BSPP zivame ukusetshenziswa ezimbonini ezahlukahlukene, kufaka phakathi amasistimu we-hydraulic, amasistimu womoya, kanye nokusetshenziswa kwamapayipi.Indlela yabo yokubeka uphawu enokwethenjelwa kanye nokuhambisana nezinye izinhlobo zentambo kubenza babe ukukhetha okuthandwayo kokudluliswa koketshezi kanye nezinjongo zokuxhuma.Kodwa-ke, kubalulekile ukuqaphela ukuthi imicu ye-BSPP ingase ingafaneleki kuzo zonke izinhlelo zokusebenza.Izinto ezinjengokucindezela, izinga lokushisa, kanye nohlobo loketshezi oludluliswayo kufanele kucatshangelwe lapho kukhethwa uhlobo olufanele lwentambo.
Izinzuzo kanye nokubi kochungechunge lwe-BSPP
Enye yezinzuzo ezinkulu zentambo ye-BSPP kulula ukuyifaka.Umklamo ofanayo wentambo uvumela ukuxhumana okulula nokuqondile phakathi kwezingxenye zesilisa nesifazane.Lokhu kwenza kube lula kubo bobabili ochwepheshe kanye nabathandi be-DIY ukuthi bahlanganise futhi bahlukanise izingxenye ngaphandle komzamo omkhulu.Ukwengeza, intambo ye-BSPP ayidingi amathuluzi akhethekile noma ama-sealant ukuze kufakwe, okwenza kube lula inqubo.
Enye inzuzo yentambo ye-BSPP ukuhambisana kwayo nezinhlobonhlobo zezinto.Kungakhathaliseki ukuthi ithusi, insimbi engagqwali, noma ipulasitiki, imicu ye-BSPP ingasetshenziswa ngezinto ezihlukahlukene ngaphandle kokuphazamisa ubuqotho bokuxhumana.Lokhu kuguquguquka kwenza kube ukukhetha okudumile ezimbonini ezahlukahlukene nasekusetshenzisweni lapho kusetshenziswa izinto ezahlukahlukene.
Mayelana nokubekwa uphawu, intambo ye-BSPP inikeza ukuxhumana okuthembekile nokungavuziyo.Ukwakheka okuhambisanayo kwentambo kuqinisekisa ukuvala okuqinile phakathi kwezingxenye zesilisa nesifazane, ukuvimbela noma yikuphi ukuvuza koketshezi noma amagesi.Lokhu kubaluleke kakhulu ezinhlelweni lapho ukuqukathwa koketshezi noma amagesi kubalulekile ekusebenzeni kahle kwezinto zokusebenza.Uphawu oluvikelekile olunikezwa intambo ye-BSPP lusiza ukugcina ukusebenza kahle kwesistimu futhi luvimbela noma yimuphi umonakalo ongaba khona noma ukulahlekelwa.
Kodwa-ke, intambo ye-BSPP nayo inemibi yayo.Enye yezingqinamba eziyinhloko ukuntuleka kwayo kwe-taper.Ngokungafani nentambo ye-BSPT, ene-taper evumela uphawu oluqinile, intambo ye-BSPP incike kuphela ekwakhiweni okufanayo.Lokhu kungaholela ekuxhumekeni okuvikeleke kancane, ikakhulukazi ezinhlelweni zokusebenza lapho ukucindezela okuphezulu noma ukudlidliza kuhileleke.Ezimweni ezinjalo, intambo ye-BSPT ingaba inketho efanelekile njengoba ihlinzeka ngamakhono angcono wokuvala.
Okunye okubi kwentambo ye-BSPP ukutholakala kwayo okulinganiselwe ezindaweni ezithile.Nakuba isetshenziswa kabanzi e-United Kingdom naseYurophu, ingase ingandile kwezinye izingxenye zomhlaba.Lokhu kungadala izinselele ezimbonini ezithembele ezinhlotsheni zentambo ezisezingeni futhi kungase kudinge umzamo owengeziwe noma izinsiza ukuze kutholwe izingxenye zentambo ye-BSPP.
Iyini intambo ye-BSPT?
Omunye umehluko obalulekile phakathi kwe-BSPT namanye amazinga entambo yindlela yokuvala.Imicu ye-BSPT incike ekusetshenzisweni kwenhlanganisela yokuvala, njenge-thread sealant noma itheyiphu ye-PTFE, ukwenza uphawu olungavuzi.Lokhu kungenxa yokuthi ukwakheka kwe-tapered yezintambo zodwa akwanele ukuvimbela ukuvuza.I-compound yokuvala igcwalisa izikhala phakathi kwezintambo, iqinisekisa ukuxhumana okungangeni manzi.
Izintambo ze-BSPT zivame ukusetshenziswa ezinhlelweni lapho kudingeka uphawu oluthembekile noluqinile.Zivame ukutholakala ezinhlelweni zamapayipi, ama-hydraulic systems, kanye nezinhlelo zokucindezela umoya.Idizayini ene-tapered yezintambo ivumela ukufakwa nokususwa kalula, okwenza kube lula ukulungiswa nokulungiswa.
Esinye isici esibalulekile okufanele sicatshangelwe lapho uqhathanisa i-BSPT namanye amazinga entambo usayizi wentambo.Izintambo ze-BSPT zikalwa ngosayizi abavamile, okubhekisela kububanzi bangaphakathi bepayipi.Usayizi wentambo uchazwa inombolo, njengokuthi 1/8', 1/4', 3/8', njalo njalo. Kubalulekile ukukhetha usayizi wentambo olungile ukuze uqinisekise ukulingana nokutywinwa okufanele.
Ngaphezu kwendlela yokubeka uphawu nosayizi wentambo, kufanele futhi kuqashelwe ukuthi izintambo ze-BSPT zine-angle yentambo ehlukile uma kuqhathaniswa namanye amazinga entambo.Izintambo ze-BSPT zine-angle engu-55-degree efakiwe, kuyilapho ezinye izindinganiso, njengezintambo ze-NPT (National Pipe Taper), zine-angle engu-60 efakiwe.Lokhu kusho ukuthi imicu ye-BSPT ayihambelani namanye amazinga futhi ayikwazi ukushintshaniswa.
Lapho usebenza ngezintambo ze-BSPT, kubalulekile ukusebenzisa amathuluzi alungile namasu ukuze uqinisekise ukufakwa okufanele.Imicu kufanele ihlanzeke futhi ingabi nadoti noma umonakalo.Inhlanganisela yokuvala kufanele isetshenziswe ngokulinganayo futhi ngendlela efanele ukuvimbela ukuvuza.Kubalulekile futhi ukugwema ukuqinisa ngokweqile izintambo, njengoba lokhu kungabangela umonakalo futhi kuphazamise uphawu.
Izici zochungechunge lwe-BSPT
Esinye sezici ezibalulekile zezintambo ze-BSPT ukusetshenziswa kwazo kwenhlanganisela yokuvala.Ngokungafani nemicu ye-BSPP, ethembele ekwakhiweni kwentambo efanayo, imicu ye-BSPT idinga ukusetshenziswa kwenhlanganisela yokuvala ukuze kuqinisekiswe ukuxhumana okungavuzi.Le nhlanganisela ijwayele ukusetshenziswa emicu owesilisa ngaphambi kokuyihlanganisa nemicu yesifazane.Inhlanganisela ivala noma yiziphi izikhala phakathi kwemicu, idale isivalo esiqinile esivimbela uketshezi noma igesi ukuba ingaphumi.
Esinye isici esibalulekile sezintambo ze-BSPT ukuhambisana kwazo nezinye izinhlobo zentambo.Nakuba imicu ye-BSPP ihambisana futhi ingakwazi ukushintshaniswa nezinye izinhlobo zochungechunge, imicu ye-BSPT ingasetshenziswa ngayo yomibili imicu ye-BSPP ne-NPT (National Pipe Taper).Lokhu kuguquguquka kwenza imicu ye-BSPT ibe yinketho edumile ezimbonini lapho izinhlobo ezahlukene zentambo zingasetshenziswa ezinhlelweni ezahlukene.
Ngaphezu kokuhambisana kwazo, imicu ye-BSPT iphinde inikeze izinzuzo ngokwamandla nokuqina.Idizayini ye-taper yemicu ivumela indawo enkulu yokuxhumana phakathi kwentambo yesilisa neyesifazane, okuholela ekuxhumekeni okuqinile.Lokhu kwenza imicu ye-BSPT ifanele izinhlelo zokusebenza ezinomfutho ophezulu, lapho ukuxhumana okuphephile nokwethembekile kubalulekile.Ngaphezu kwalokho, idizayini ye-taper isiza futhi ukusabalalisa ukucindezeleka ngokulinganayo emiculweni, ukunciphisa amathuba okulimala noma ukwehluleka kwentambo.
Uma kukhulunywa ngokufaka, imicu ye-BSPT idinga ukunakwa ngokucophelela ngemininingwane.I-engeli ye-taper yezintambo isho ukuthi kufanele iqiniswe kunani elithile le-torque ukuze kuqinisekiswe uphawu olufanele.Ukuqinisa kakhulu kungaholela ekulimaleni kwentambo noma ukuvuza, kuyilapho ukuqina kancane kungaholela ekuxhumekeni okuxekethile.Kubalulekile ukusebenzisa amathuluzi namasu alungile lapho ufaka imicu ye-BSPT ukuze uqinisekise ukusebenza kahle kwazo nokuphila isikhathi eside.
I-BSPT Thread Design kanye nobukhulu
Omunye umehluko oyinhloko phakathi kwe-BSPT nezinye izinhlobo zezintambo, njenge-BSPP (British Standard Pipe Parallel) kanye nezintambo ze-R kanye ne-Rc, i-engeli ye-taper.Izintambo ze-BSPT zine-engeli ye-taper engu-1 ku-16, okusho ukuthi kumayunithi angu-16 ubude, ububanzi bocu buncipha ngeyunithi engu-1.Le engeli ye-taper ivumela ukuxhumana okuqinile nokungavuzi lapho imicu yowesilisa nowesifazane iqiniswa ndawonye.
Ngokuphathelene nobukhulu, izintambo ze-BSPT zicaciswa ngosayizi wazo wegama, obhekisela kububanzi bangaphakathi bepayipi noma ukulinganisa asetshenziswa nakho.Isibonelo, intambo ye-BSPT engu-1/2 intshi inobubanzi bangaphakathi obungaba amayintshi angu-0.5.Ububanzi bangaphandle bezintambo ze-BSPT buyahlukahluka kuye ngosayizi nephimbo lentambo.
Izintambo ze-BSPT nazo zihlukaniswa ngephimbo lentambo, elibhekisela ebangeni eliphakathi kwemicu eseduze.Ukuphakama kochungechunge lwemiluko ye-BSPT kukalwa ngentambo iyintshi ngayinye (TPI) noma izintambo ngemilimitha ngayinye (TPM).Isibonelo, intambo ye-BSPT engu-1/2 intshi ingaba ne-pitch engu-14 TPI, okusho ukuthi kunemicu engu-14 iyintshi ngayinye.
Uma ukhetha izintambo ze-BSPT zohlelo oluthile, kubalulekile ukucabangela ukuhambisana kwentambo nepayipi noma ukuyifaka kuzosetshenziswa nayo.Kubalulekile futhi ukuqinisekisa ukuthi intambo ivalwe kahle ukuvimbela ukuvuza.Lokhu kungafezwa ngokusebenzisa i-thread sealant noma itheyiphu entanjeni yesilisa ngaphambi kokuyixhuma entambo yesifazane.
Ibanga lohlelo lokusebenza lochungechunge lwe-BSPT
Intambo ye-BSPT (British Standard Pipe Taper) isetshenziswa kakhulu ezimbonini ezahlukahlukene ngenxa yobubanzi bayo bezicelo eziguquguqukayo.Lolu hlobo lwentambo luvame ukutholakala ezinhlelweni zamapayipi, ukufakwa kwe-hydraulic, kanye nokuxhumeka kwe-pneumatic.Enye yezinzuzo ezibalulekile zentambo ye-BSPT yikhono layo lokudala uphawu oluqinile oluvuzayo, okulwenza lufanelekele izinhlelo zokusebenza ezidinga izinga eliphezulu lokuqukatha uketshezi noma igesi.
Ezinhlelweni zamapayipi, intambo ye-BSPT ivame ukusetshenziselwa ukuxhuma amapayipi nokufakwa.Inikeza uxhumano oluphephile noluthembekile olungamelana nokucindezela okuphezulu nezimo zokushisa.Idizayini ye-taper yentambo ivumela ukulingana okuqinile, ukuvimbela noma yikuphi ukuvuza noma ukugeleza koketshezi.Lokhu kwenza kube ukukhetha okuhle kwezinhlelo zokusebenza ezifana nezinhlelo zokuphakelwa kwamanzi, amasistimu okushisa, namapayipi egesi.
Ukufakwa kweHydraulic nakho kuyazuza ekusebenziseni imicu ye-BSPT.Lokhu kufakwa kusetshenziselwa ukuxhuma izingxenye ezahlukahlukene ezinhlelweni ezisebenza ngogesi, njengamaphampu, amavalvu, namasilinda.Intambo ye-BSPT iqinisekisa ukuxhumana okuqinile nokuvikelekile, ukuvimbela noma yikuphi ukulahlekelwa uketshezi olusebenzisa amanzi.Lokhu kubalulekile ekugcineni ukusebenza kahle nokusebenza kwezinhlelo ezisebenza ngamanzi, njengoba ngisho nokuvuza okuncane kungabangela ukwehla okukhulu kwengcindezi nokusebenza kohlelo lonke.
Ukuxhumana kwe-pneumatic, okubandakanya ukusetshenziswa komoya ocindezelwe noma igesi, nakho kuncike kuntambo ye-BSPT ekusebenzeni kahle kwazo.Idizayini ye-taper yochungechunge ivumela ukuvala okuqinile, okuqinisekisa ukuthi akukho moya noma igesi ephumayo ohlelweni.Lokhu kubalulekile ekugcineni ingcindezi edingekayo ukuze amathuluzi omoya kanye nemishini yokusebenza ngempumelelo.Kungakhathaliseki ukuthi kusezimbonini zokusebenza noma embonini yezimoto, intambo ye-BSPT isetshenziswa kabanzi ezinhlelweni zomoya ukuze kuqinisekiswe ukusebenza okuthembekile nokusebenza kahle.
Ngaphezu kwebanga lohlelo lwayo lokusebenza, kubalulekile ukuqonda umehluko oyinhloko phakathi kwentambo ye-BSPT nezinye izintambo ezivame ukusetshenziswa, njenge-BSPP (British Standard Pipe Parallel) kanye nezintambo ze-R kanye ne-Rc.Nakuba zonke lezi zintambo zivame ukusetshenziswa ezinhlelweni zamapayipi kanye ne-hydraulic, zinezici ezihlukile ezizenza zifanelekele izinhlelo zokusebenza ezahlukene.
Intambo ye-BSPT, njengoba kushiwo ngaphambili, inomklamo we-taper, okusho ukuthi ububanzi bentambo buyancipha ngobude bayo.Le taper ivumela ukulingana okuqinile kanye nokuvalwa okuvuzayo okuqinile.Ngakolunye uhlangothi, intambo ye-BSPP inomklamo ofanayo, lapho ububanzi bentambo buhlala bufana nobude bayo.Lokhu kwenza kube lula ukuhlanganisa nokuqaqa okokufaka, kodwa kungase kunganikeli izinga elifanayo lokuvala njengochungechunge lwe-BSPT.
Imicu ye-R ne-Rc, evame ukusetshenziswa ekuxhumekeni kwamapayipi e-United States, inomklamo ohlukile uma uqhathaniswa nezintambo ze-BSPT ne-BSPP.Intambo engu-R iyintambo eqondile, kuyilapho intambo ye-Rc iyintambo eqoshiwe.Lezi zintambo azishintsheki nochungechunge lwe-BSPT noma lwe-BSPP, njengoba zinama-engeli ochungechunge nobukhulu obuhlukile.Kubalulekile ukusebenzisa uhlobo lwentambo olulungile kuhlelo lokusebenza oluthile ukuze kuqinisekiswe ukulingana nokusebenza okufanele.
Indlela yokuvala kanye namaphoyinti abalulekile wentambo ye-BSPT
Indlela yokubeka uphawu namaphoyinti abalulekile wentambo ye-BSPT:
Uma kuziwa ekuqondeni umehluko phakathi kwezintambo ze-BSPP, BSPT, ne-R kanye ne-Rc, kubalulekile ukuhlolisisa izindlela zokuvala kanye namaphoyinti abalulekile ochungechunge lwe-BSPT.I-BSPT, eyaziwa nangokuthi i-British Standard Pipe Taper, iwuhlobo lwentambo olusetshenziswa kakhulu kumasistimu wamapayipi namapayipi.Indlela yawo yokuvala isekelwe ocingweni lwentambo, oluvumela ukuba kuvaleke uphawu oluqinile lapho intambo yesilisa neyesifazane ihlanganiswa.
Elinye lamaphuzu abalulekile okufanele uwacabangele ngezintambo ze-BSPT i-engeli ye-taper.I-engeli yochungechunge ye-BSPT ingama-degree angu-55, ehlukile ku-engeli yochungechunge oluhambisanayo ye-BSPP.Le taper angle idlala indima ebalulekile ekudaleni uphawu oluthembekile phakathi kwemicu yesilisa neyesifazane.Iqinisekisa ukuthi imicu ihlangana ngokuqinile ndawonye, ivimbele noma yikuphi ukuvuza noma ukugeleza koketshezi noma amagesi.
Esinye isici esibalulekile sezintambo ze-BSPT ukusetshenziswa kwezinto zokuvala uphawu.Ukuze kuzuzwe uphawu oluphumelelayo, kuvamile ukusebenzisa i-compound yokuvala noma i-tape emicu ngaphambi kokuyihlanganisa.Le nhlanganisela noma i-tape igcwalisa izikhala phakathi kwezintambo, ithuthukisa izici zokuvala zokuxhuma.Kubalulekile ukukhetha into efanele yokuvala ngokusekelwe kuhlelo oluthile kanye noketshezi noma amagesi ethuthwayo ngohlelo.
Ukwengeza, amaphuzu abalulekile emicu ye-BSPT ahlanganisa ukusetshenziswa kwewasha yokuvala uphawu noma i-gasket.Le washer noma i-gasket ifakwa phakathi kwemicu yesilisa neyesifazane ukuze inikeze isendlalelo esengeziwe sokuvikela ukuvala.Kuyasiza ukudala uphawu oluvikelekile noluthembekile, ikakhulukazi ezinhlelweni lapho ukucindezela okuphezulu noma amazinga okushisa ahilelekile.Ukukhethwa kwewasha yokuvala uphawu noma impahla ye-gasket kufanele kusekelwe ekusebenzisaneni noketshezi noma amagesi adluliswayo.
Ngaphezu kwalokho, kufanelekile ukuqaphela ukuthi izintambo ze-BSPT zivame ukusetshenziswa ezinhlelweni lapho kudingeka uphawu olungangeni manzi.Lokhu kubenza bafanelekele amasistimu amapayipi amanzi, izintambo zokuphakela amanzi, nezinye izinhlelo ezibandakanya ukuthuthwa koketshezi.Idizayini ye-taper yezintambo iqinisekisa ukuvala okuqinile, ukunciphisa ubungozi bokuvuza nokuqinisekisa ubuqotho besistimu.
Izinzuzo kanye nemikhawulo ye-BSPT Threads
Izintambo ze-BSPT (British Standard Pipe Taper) zisetshenziswa kakhulu ezimbonini ezahlukahlukene ngenxa yezinzuzo zazo ezihlukile.Enye yezinzuzo eziyinhloko zezintambo ze-BSPT yikhono lazo lokudala uphawu oluqinile, okulwenza lulungele izinhlelo zokusebenza lapho ukuvimbela ukuvuza kubalulekile.Lokhu kufinyelelwa ngomklamo we-taper wezintambo, ovumela isenzo sokushada lapho siqiniswa, okuholela ekuxhumekeni okuthembekile nokungavuzi.
Enye inzuzo yezintambo ze-BSPT ukuhambisana kwazo nezinhlobonhlobo zezinto.Lezi zintambo zingasetshenziswa nezinhlobo ezahlukene zamapayipi nezinto zokufakelwa, kuhlanganise nalezo ezenziwe ngensimbi, ipulasitiki, ngisho nerabha.Lokhu kuguquguquka kwenza imicu ye-BSPT ibe yinketho edumile ezimbonini ezinjengamapayipi, ezezimoto, nezokukhiqiza.
Ngaphezu kokuhambisana kwazo, imicu ye-BSPT iphinde inikeze ukumelana okuhle nokudlidliza.Idizayini ecijile yezintambo isiza ukumunca futhi kudambise ukudlidliza, iqinisekise ukuxhumana okuphephile nokuzinzile ngisho nasezindaweni zokudlidliza okuphezulu.Lokhu kwenza imicu ye-BSPT ifanele izinhlelo zokusebenza lapho imishini noma okokusebenza kungaphansi kokunyakaza okungapheli noma umthelela.
Ngaphandle kwezinzuzo zabo, imicu ye-BSPT inokulinganiselwa okuthile.Omunye wemikhawulo eyinhloko ukuntula kwabo ukushintshashintsha nezinye izinhlobo zezintambo.Imicu ye-BSPT ayihambelani nemicu ye-BSPP (British Standard Pipe Parallel), ene-engeli yentambo ehlukile kanye nokuphakama.Lokhu kusho ukuthi ukufakwa okunezintambo ze-BSPT akukwazi ukuxhunywa ngokuqondile kulezo ezinezintambo ze-BSPP, ezidinga ukusetshenziswa kwama-adaptha noma okokufaka kokuguqulwa.
Omunye umkhawulo wezintambo ze-BSPT ukuba sengozini kwazo zokulimala ngesikhathi sokufakwa.Idizayini ye-taper yemicu ingabenza bathambekele kakhudlwana ekuphambanweni noma ukukhumula uma kungaqondani kahle ngesikhathi sokufakwa.Kubalulekile ukusebenzisa amathuluzi alungile namasu lapho usebenza nezintambo ze-BSPT ukugwema noma yimuphi umonakalo noma ukuyekethisa kubuqotho bokuxhumana.
Uhlolojikelele lwemicu ye-R ne-Rc
Imicu ye-R ne-Rc yizinhlobo ezimbili ezivamile zezintambo ezisetshenziswa ezimbonini ezihlukahlukene.Lezi zintambo zivame ukuqhathaniswa nezintambo ze-BSPP ne-BSPT ngenxa yezimpawu zazo ezifanayo.Kodwa-ke, kunomehluko obalulekile phakathi kwemicu ye-R ne-Rc kanye nezinye izinhlobo ezimbili.
Izintambo ze-R, ezaziwa nangokuthi imicu yamapayipi e-tapered, zisetshenziswa kakhulu kuma-plumbing nama-hydraulic systems.Le micu ine-taper engu-1:16, okusho ukuthi ububanzi bocu buncipha ngeyunithi engu-1 kuwo wonke amayunithi angu-16 ubude.I-taper isiza ekudaleni uphawu oluqinile phakathi kwentambo yesilisa neyesifazane, iqinisekisa ukuxhumana okungavuzi.Imicu engu-R ivamise ukusetshenziswa ezinhlelweni lapho ukucindezelwa kwengcindezi kubalulekile, njengamapayipi egesi kanye namasistimu asebenza ngomfutho ophezulu we-hydraulic.
Ngakolunye uhlangothi, izintambo ze-Rc ziyizintambo ezifanayo ezivame ukusetshenziswa eJapane.Le micu inomumo ohambisanayo, okusho ukuthi ububanzi buhlala buhlala buhlala njalo kulo lonke ubude bentambo.Izintambo ze-Rc zisetshenziswa kakhulu ezimbonini ezifana nezezimoto, zikagesi, nemishini.Zaziwa ngokukhululeka kwazo ukufakwa nokususwa, okuzenza zifanelekele izinhlelo zokusebenza ezidinga ukuqaqa njalo.
Uma uqhathanisa imicu ye-R ne-Rc kuchungechunge lwe-BSPP ne-BSPT, umehluko omkhulu usendleleni yokuvala.Imicu ye-R ne-Rc incike ekusetshenzisweni kwezinhlanganisela zokuvala noma itheyiphu ukuze kuqinisekiswe ukuxhumana okungavuzi.Lokhu kuhlukile emicu ye-BSPP kanye ne-BSPT, enomshini wokuvala owakhelwe ekwakhiweni kwentambo.Izintambo ze-BSPP zinendandatho yokuvala eyenza uphawu oluqinile, kuyilapho izintambo ze-BSPT zithembele ekusetshenzisweni kwenhlanganisela yokuvala.
Omunye umehluko yifomu lentambo.Izintambo ze-R kanye ne-Rc zinesimo se-cylindrical, okusho ukuthi izintambo zisikwa ziqonde kumpahla.Lokhu kwehlukile emicu ye-BSPP kanye ne-BSPT, enomumo ocijile.Ukuma kwe-tapered yezintambo ze-BSPP kanye ne-BSPT kuvumela uphawu oluqinile, ikakhulukazi kuzinhlelo zokusebenza zokucindezela okuphezulu.
Mayelana nokuhambisana, izintambo ze-R ne-Rc azishintsheki ne-BSPP ne-BSPT.Ubukhulu bentambo nephimbo kuhlukile, okusho ukuthi intambo ye-R noma ye-Rc ayikwazi ukuxhunywa kuntambo yesifazane ye-BSPP noma ye-BSPT.Kubalulekile ukuqinisekisa ukuthi uhlobo olulungile lwentambo lusetshenziswa ukugwema noma yiziphi izinkinga zokuhambisana.
Umehluko nezici zentambo ye-R ne-Rc
Imicu ye-R ne-Rc yizinhlobo ezimbili zentambo ezivame ukusetshenziswa emkhakheni wamapayipi namasistimu wamapayipi.Nakuba kungase kubonakale kufana, kunomehluko ohlukile phakathi kwalokhu okubili okufanele ukuqondwe.
Omunye umehluko omkhulu phakathi kwemicu ye-R kanye ne-Rc usezintweni zazo zokuvala.Imicu engu-R iklanyelwe ukudala uphawu kusetshenziswa intambo efanayo, kuyilapho izintambo ze-Rc zisebenzisa intambo ecijile ukuze kutholakale uphawu oluqinile.Lokhu kusho ukuthi izintambo ezingu-R zifaneleka kakhulu izinhlelo zokusebenza lapho i-joint-tight-tight joint ingadingeki, njengamasistimu amapayipi anomfutho ophansi.Ngakolunye uhlangothi, izintambo ze-Rc zilungele izinhlelo zokusebenza ezinengcindezi ephezulu lapho uphawu lokuvuza lubalulekile.
Omunye umehluko phakathi kwemicu ye-R ne-Rc yiphrofayela yabo yochungechunge.Imicu engu-R inephrofayili eyindilinga, evumela ukusebenzelana okushelelayo kanye nokungahlanganisi imicu.Lokhu kuwenza kube lula ukuwahlanganisa nokuwahlakaza uma kuqhathaniswa nemicu ye-Rc.Izintambo ze-Rc, ngakolunye uhlangothi, zinephrofayili ecijile, ehlinzeka ngokulingana okuqinile nekhono lokuvala elingcono.Lokhu kuzenza zifaneleke kakhulu ezinhlelweni zokusebenza lapho kudingeka khona ukuxhumana okuvikelekile nokungavuzi.
Mayelana nokuqokwa kwentambo, imicu ye-R ne-Rc ilandela izindinganiso ezihlukene.Uchungechunge lwe-R lucaciswa izinga le-British Standard Pipe Parallel (BSPP), kuyilapho uchungechunge lwe-Rc lucaciswa izinga le-British Standard Pipe Taper (BSPT).Izinga le-BSPP lisetshenziselwa izinhlelo zokusebenza lapho okuhlanganyelwe okuqinile kungadingeki, kuyilapho izinga le-BSPT lisetshenziselwa izinhlelo zokusebenza lapho okuhlangene okuqinile kuyadingeka.Kubalulekile ukuqaphela ukuthi nakuba izintambo ze-R ne-Rc zinezindinganiso zazo, azishintsheki futhi akufanele zisetshenziswe ndawonye kuhlelo lokusebenza olufanayo.
Uma kukhulunywa ngokuhambisana, izintambo ze-R ne-Rc zingase zingahambelani ngenxa yamaphrofayili azo ahlukene kanye nezindlela zokuvala.Kubalulekile ukuqinisekisa ukuthi uhlobo lwentambo olulungile lusetshenziswa kuhlelo oluthile ukugwema ukuvuza noma ezinye izinkinga.Ukwengeza, kubalulekile ukucabangela izinto zamapayipi nokufakwa okusetshenziswe ngokuhambisana nezintambo ze-R ne-Rc ukuze kuqinisekiswe ukuhambisana nokuvimbela ukugqwala noma ezinye izinhlobo zokulimala.
Izimo Zokusebenza ze-R ne-Rc Threads
Ezweni lamapayipi nokufakwa kwamapayipi, kubalulekile ukuqonda izinhlobo ezahlukene zezintambo ezitholakalayo.Isethi eyodwa enjalo imicu i-R ne-Rc.Nakuba zingazwakala zifana, kunomehluko ohlukile phakathi kwazo nezinye izintambo ezivame ukusetshenziswa njenge-BSPP ne-BSPT.Ukuqonda izimo zohlelo lokusebenza lwezintambo ze-R ne-Rc kungasiza ochwepheshe benze izinqumo ezinolwazi uma kuziwa ekukhetheni uhlobo olulungile lwentambo ngezidingo zabo ezithile.
Izintambo ze-R ne-Rc zisetshenziswa ngokuyinhloko e-United Kingdom naseYurophu, kuyilapho izintambo ze-BSPP ne-BSPT zitholakala kakhulu e-United States.Umehluko omkhulu phakathi kwemicu ye-R kanye ne-Rc usendleleni yokuvala.Imicu engu-R inefomu elihambisanayo futhi incike ku-O-ring noma i-gasket ukuze idale uphawu, kuyilapho izintambo ze-Rc zinefomu le-taper futhi zenza uphawu ngokuqinisa ukufaka endaweni yokuhlangana.
Uma kukhulunywa ngezimo zohlelo lokusebenza, izintambo zika-R zivame ukusetshenziswa ezimeni lapho ukuxhumana okuthembekile nokungavuziyo kubalulekile.I-O-ring noma i-gasket inikeza uphawu oluvikelekile, okwenza imicu engu-R ifanele izinhlelo zokusebenza ezibandakanya ukucindezela okukhulu noma uketshezi olubolayo.Lezi zintambo zivame ukutholakala kumasistimu we-hydraulic, imigqa kaphethiloli, kanye nokuxhuma kwe-pneumatic.
Ngakolunye uhlangothi, izintambo ze-Rc zivame ukusetshenziswa ezinhlelweni lapho kudingeka khona uphawu oluqinile kodwa ukucindezela akukho phezulu.Ifomu le-taper lezintambo ze-Rc livumela uxhumano oluqinile ngaphandle kwesidingo sophawu olwengeziwe.Lokhu kwenza imicu ye-Rc ilungele izinhlelo zokusebenza ezinjengamapayipi amanzi, ama-air compressor, namapayipi ajwayelekile.
Ngaphezu kwezindlela zabo zokuvala uphawu, omunye umehluko phakathi kwezintambo ze-R ne-Rc kanye nezintambo ze-BSPP ne-BSPT i-engeli yentambo.Izintambo ze-R ne-Rc zine-angle yentambo engu-55-degree, kuyilapho izintambo ze-BSPP ne-BSPT zine-angle yentambo engu-60-degree.Lokhu kusho ukuthi uchungechunge lwe-R ne-Rc alushintsheki nemicu ye-BSPP ne-BSPT, njengoba ama-engeli entambo ehlukile.
Uma ukhetha phakathi kwezintambo ze-R ne-Rc kanye ne-BSPP ne-BSPT, kubalulekile ukucabangela izidingo ezithile zohlelo lokusebenza.Izinto ezinjengokucindezela, uhlobo loketshezi, nezimo zemvelo kufanele zicatshangelwe.Ukubonisana nochwepheshe onolwazi noma ukubhekisela kumazinga omkhakha kungasiza ukuqinisekisa ukuthi kukhethwa uhlobo olulungile lwentambo.
Indlela yokuvala kanye nezinzuzo zochungechunge lwe-R ne-Rc
Uma kuziwa ezindleleni zokuvala kanye nezinzuzo, izintambo ze-R ne-Rc zinikeza izici ezihlukile ezizenza zihluke kuchungechunge lwe-BSPP ne-BSPT.Imicu ye-R ne-Rc isetshenziswa kabanzi ezimbonini ezahlukahlukene, kufaka phakathi amapayipi, amasistimu we-hydraulic, kanye nezicelo ze-pneumatic.Lezi zintambo zihlinzeka ngendlela ethembekile yokuvala eqinisekisa ukuxhumana okungavuzi, okubenza bathandeke kakhulu ezinhlelweni ezithile.
Enye yezinzuzo ezibalulekile zemicu ye-R ne-Rc idizayini yazo ecijile, evumela uphawu oluqinile noluphephe kakhudlwana.Ngokungafani nezintambo ze-BSPP ne-BSPT, ezinomklamo ofanayo, izintambo ze-R ne-Rc zine-taper angle engu-30 degrees.Le engeli ye-taper inika amandla imicu ukuthi idale isenzo sokushadisa lapho iqiniswa, ivale ngempumelelo uxhumano futhi ivimbele noma yikuphi ukuvuza.Idizayini ye-taper ibuye ivumele ukuhlanganisa nokuqaqa kalula, okwenza imicu ye-R ne-Rc ilungele ukulungiswa nokulungiswa.
Enye inzuzo yezintambo ze-R ne-Rc ukuhambisana kwazo nezinto ezihlukahlukene zokuvala uphawu.Lezi zintambo zingasetshenziswa nezinhlobonhlobo zezinto zokuvala, njenge-O-rings, ama-gaskets, nama-thread sealants.Lokhu kuguquguquka kuvumela ukuguquguquka ekukhetheni into efanelekile yokuvala yezinhlelo zokusebenza ezithile.Ukwengeza, izintambo ze-R ne-Rc zingakwazi ukwamukela izilinganiso zokucindezela okuphezulu uma kuqhathaniswa nezintambo ze-BSPP ne-BSPT, zizenze zifanelekele izinhlelo zokusebenza ezidinga amandla okuvala aqinile.
Ngokuya ngezinhlelo zokusebenza, izintambo ze-R ne-Rc zivame ukusetshenziswa ezinhlelweni zamanzi.I-taper design yalezi zintambo iqinisekisa uphawu oluthembekile, ngisho nangaphansi kwezimo ezicindezelayo.Lokhu kwenza imicu ye-R ne-Rc ilungele izinhlelo zokusebenza ezisebenza ngogesi lapho ukuvuza kungase kubangele ukwehluleka kwesistimu noma ukunciphisa ukusebenza.Ukwengeza, ukuhambisana nezinto ezihlukene zokuvala kwenza imicu ye-R ne-Rc ivumelane noketshezi oluhlukahlukene lwe-hydraulic, kuqhubeke kuthuthukisa ukufaneleka kwazo kumasistimu asebenza ngaphansi komhlaba.
Imicu ye-R ne-Rc nayo isetshenziswa kabanzi ezinhlelweni zomoya.Ukuvalwa okuqinile okuhlinzekwa yile micu kuvimbela noma yikuphi ukuvuza komoya, kuqinisekisa ukusebenza kahle kwezinhlelo zomoya.Idizayini ye-taper yemicu ye-R ne-Rc ivumela ukuxhumana okuphephile okungamelana nokwehluka kwengcindezi okuvame ukutholwa kumasistimu womoya.Lokhu kwethembeka kubalulekile ekugcineni ukusebenza okungaguquki nokuvimbela noma yikuphi ukulahlekelwa kwengcindezi, okungathinta ukusebenza kahle okuphelele kohlelo.
I-BSPP vs BSPT vs R kanye ne-Rc Thread Comparison
Izintambo ze-BSPP, BSPT, R, kanye ne-Rc zivame ukusetshenziswa embonini yamapayipi namapayipi.Ukuqonda umehluko phakathi kwalezi zinhlobo zezintambo kubalulekile ekuqinisekiseni ukuxhumana okufanele nokuvimbela ukuvuza.
I-BSPP, emele i-British Standard Pipe Parallel, iwuhlobo lwentambo enomucu ofanayo.Isetshenziswa kakhulu eYurophu nase-Asia futhi yaziwa ngokuvalwa kwayo okuqinile kanye nokumelana nengcindezi ephezulu.Imicu ye-BSPP ine-engeli yentambo engu-55-degree futhi ikalwa ngamamilimitha.Zivame ukusetshenziswa ezinhlelweni lapho kudingeka uphawu oluqinile, njengamasistimu we-hydraulic kanye nokufakwa kwe-pneumatic.
Ngakolunye uhlangothi, i-BSPT, emele i-British Standard Pipe Tapered, inomucu ocijile.Ngokungafani nemicu ye-BSPP, imicu ye-BSPT ine-angle yentambo engu-60-degree futhi ikalwa ngamayintshi.Lolu hlobo lwentambo luvame ukusetshenziswa e-United States naseCanada.Izintambo ze-BSPT zenza uphawu oluqinile ngokuhlanganisa imicu ndawonye, iyenze ifaneleke izinhlelo zokusebenza lapho uxhumano olungavuzi lubalulekile, njengegesi nemigqa yoketshezi.
Izintambo ze-R kanye ne-Rc enye isethi yezinhlobo zezintambo ezivame ukusetshenziswa ekufakeni amapayipi namapayipi.Izintambo ezi-R ziyizintambo ezifanayo, ezifana nezintambo ze-BSPP, kuyilapho izintambo ze-Rc zicindezelwe, zifana nemicu ye-BSPT.Lezi zinhlobo zentambo zisetshenziswa e-Japan futhi zikalwa ngamamilimitha.Izintambo ze-R kanye ne-Rc zivame ukusetshenziswa ezinhlelweni lapho kudingeka khona uphawu oluqinile, njengama-compressor emoyeni kanye nezinhlelo zoketshezi.
Uma uqhathanisa izintambo ze-BSPP, BSPT, R, kanye ne-Rc, kubalulekile ukucabangela i-engeli yochungechunge, iyunithi yokulinganisa, nokusebenzisa.Imicu ye-BSPP kanye no-R inomucu ofanayo, kuyilapho i-BSPT ne-Rc inefomu lentambo ecijile.Imicu ye-BSPP ne-R ikalwa ngamamilimitha, kuyilapho i-BSPT ne-Rc imicu ikalwa ngamayintshi.Ukwengeza, uhlobo ngalunye lwentambo luvame ukusetshenziswa ezifundeni ezahlukene kanye nezinhlelo zokusebenza.
Izinhlobo Zokuxhuma kanye Nokuqhathaniswa Kokufaneleka
Izinhlobo Zokuxhuma kanye Nokuqhathaniswa Kokufaneleka
Uma kuziwa ekufakweni kwamapayipi, kubalulekile ukuqonda izinhlobo ezahlukene zokuxhuma ezitholakala emakethe.Kulesi sihloko, sizokhipha umehluko phakathi kwemicu ye-BSPP, BSPT, ne-R ne-Rc.Lezi zinhlobo zokuxhuma zidlala indima ebalulekile ekunqumeni ukuhambisana nokufaneleka kokufakwa kwamapayipi kwezinhlelo zokusebenza ezithile.
I-BSPP, emele iBritish Standard Pipe Parallel, iwuhlobo lwentambo oludumile olusetshenziswa ezimbonini eziningi.Ifaka intambo ehambisanayo eqinisekisa ukuxhumana okuqinile nokungavuzi.Ukufakwa kwe-BSPP kune-angle yentambo engu-55-degree kanye nentambo eqhubekayo, evumela ukufakwa nokususwa kalula.Lolu hlobo lokuxhuma luvame ukutholakala ezinhlelweni ezisebenza ngamanzi, amasistimu womoya, kanye nezinhlelo zokusebenza ezihloselwe ukujwayelekile.
Ngakolunye uhlangothi, i-BSPT, noma i-British Standard Pipe Taper, ingolunye uhlobo lwentambo esetshenziswa kabanzi.Ngokungafani ne-BSPP, i-BSPT ifaka intambo ecijile, eyenza uphawu ngokuhlanganisa imicu yowesilisa nowesifazane.Le taper iqinisekisa ukuxhumana okuphephile okungamelana nokucindezela okuphezulu nezinga lokushisa.Ukufakwa kwe-BSPT kuvame ukusetshenziswa kumapayipi amapayipi, amapayipi egesi, kanye nezinhlelo zesitimu.
Imicu ye-R ne-Rc iwuhlobo oluhlukile lokuxhumana oluvame ukusetshenziswa e-United States.U-R umele imicu 'yangaphandle', kanti u-Rc umele imicu 'yangaphakathi'.Lezi zintambo zenzelwe ukusetshenziswa nemicu yamapayipi e-tapered, ehlinzeka ngoxhumano oluthembekile nokungavuzi.Izintambo ze-R kanye ne-Rc zivame ukusetshenziswa ezinhlelweni ezidinga ukuvala okuqinile, okufana nokufaka amapayipi, igesi, namasistimu asebenza ngamanzi.
Uma kuqhathaniswa ukufaneleka kwalezi zinhlobo zokuxhuma, kunezici ezimbalwa ezisebenzayo.Okokuqala, uhlobo loketshezi noma igesi ethuthwa ngepayipi lubalulekile.Izinhlobo ezahlukene zokuxhuma zinezilinganiso ezihlukene zokucindezela nezinga lokushisa, okufanele kucatshangelwe ukuze kuqinisekiswe uhlelo oluphephile nolusebenzayo.Okwesibili, indawo okuzofakwa kuyo amapayipi ibalulekile.Izinto ezifana nokugqwala, ukudlidliza, nokuchayeka kumakhemikhali kungathinta ukusebenza nokuphila isikhathi eside koxhumo.Ngakho-ke, kubalulekile ukukhetha uhlobo lokuxhuma olufanele indawo ethile.
Esinye isici okufanele sicatshangelwe wukuba lula kokufaka nokugcinwa kahle.Ukufakwa kwe-BSPP, ngentambo yakhona efanayo, kulula ukuyifaka nokuyikhipha.Lokhu kuwenza abe yinketho edumile kuzinhlelo zokusebenza lapho ukunakekelwa okuvamile noma ukushintshwa kuyadingeka.Ukufakwa kwe-BSPT, ngakolunye uhlangothi, kungadinga umzamo owengeziwe phakathi nokufakwa ngenxa yomucu ocijile.Kodwa-ke, uma sebefakwe kahle, bahlinzeka ngoxhumano oluthembekile noluqinile.
Ngokuphathelene nokutholakala nokuhambisana, ukufakwa kwe-BSPP ne-BSPT kusetshenziswa kabanzi eYurophu nase-Asia, kuyilapho izintambo ze-R ne-Rc zivame kakhulu e-United States.Kubalulekile ukucabangela ukutholakala kwezinto zokufakwa kanye nezinsiza lapho ukhetha uhlobo lokuxhuma.Ukusebenzisa uhlobo loxhumano olutholakala kalula endaweni yangakini kungonga isikhathi nomzamo ekutholeni izingxenye ezidingekayo.
Ukuqhathaniswa kokusebenza kokuvala kanye nezidingo zokufaka
Uma kuziwa ekuqhathaniseni ukusebenza kokuvala kanye nezidingo zokufakwa kwezintambo ze-BSPP, BSPT, ne-R kanye ne-Rc, kunomehluko ohlukile okufanele ucatshangelwe.Uhlobo ngalunye lwentambo lunezici zalo eziyingqayizivele kanye nokucaciswa okubenza bafanelekele izinhlelo zokusebenza ezahlukene.
Kusukela nge-BSPP (British Standard Pipe Parallel), lolu hlobo lwentambo luvame ukusetshenziswa e-Europe futhi lwaziwa ngokusebenza kwalo lokuvala.Izintambo ze-BSPP zinefomu lentambo elihambisanayo, okusho ukuthi izintambo zihamba ziqonde futhi azinciphisi.Lo mklamo uvumela uphawu oluqinile uma lusetshenziswa newasha yokuvala uphawu noma i-O-ring.Ukusebenza kokutywinwa kwemicu ye-BSPP kuhle kakhulu, kuyenza ilungele izinhlelo zokusebenza ezidinga izinga eliphezulu lokuvala, njengezinhlelo ze-hydraulic.
Ngakolunye uhlangothi, imicu ye-BSPT (British Standard Pipe Taper) inomklamo we-taper, okusho ukuthi imicu iya iba mincane kancane iye ekugcineni.Le taper ivumela ukuvala okuqinile njengoba imicu iqiniswa.Izintambo ze-BSPT zivame ukusetshenziswa ezinhlelweni zamapayipi futhi zaziwa ngezakhiwo zazo ezimelana nokuvuza.Kodwa-ke, kubalulekile ukuqaphela ukuthi izintambo ze-BSPT azihlinzeki njengezigxivizo eziqinile njengezintambo ze-BSPP, ngakho-ke zingase zingafaneleki izinhlelo zokusebenza ezidinga izinga eliphezulu lokuvala.
Uma kukhulunywa ngezintambo ze-R ne-Rc, ziyefana nezintambo ze-BSPP ne-BSPT ngokuya ngokusebenza kwazo kokuvala.Imicu engu-R inefomu elihambisanayo, kuyilapho imicu ye-Rc inefomu le-taper.Lezi zintambo zivame ukusetshenziswa e-United States futhi zaziwa ngokuhlukahluka kwazo.Izintambo ze-R ne-Rc zingasetshenziswa ezinhlobonhlobo zezinhlelo zokusebenza, kufaka phakathi amapayipi, amasistimu we-pneumatic, nezinhlelo ze-hydraulic.Ukusebenza kwawo kokubekwa uphawu ngokuvamile kuhle, kodwa kubalulekile ukuqinisekisa ukuthi indlela efanele yokuvala isetshenziswa ukuze kuqinisekiswe uphawu oluqinile.
Ngokwezidingo zokufakwa, izintambo ze-BSPP, BSPT, ne-R ne-Rc zinezidingo ezihlukile ngenxa yemiklamo yazo ehlukile.Izintambo ze-BSPP zidinga iwasha yokuvala uphawu noma i-O-ring ukuze kuqinisekiswe uphawu oluqinile.Lezi zintambo futhi zidinga ukuhlanganyela kwentambo efanayo, okusho ukuthi imicu yesilisa neyesifazane kufanele iqondane kahle ukuze kwakhiwe uxhumano oluvikelekile.Kubalulekile ukusebenzisa i-torque efanele lapho uqinisa imicu ye-BSPP ukugwema ukulimaza izintambo noma ukufaka uphawu engozini.
Izintambo ze-BSPT, ngakolunye uhlangothi, zidinga ukusetshenziswa kwenhlanganisela yokuvala noma i-thread seal tape ukuze kuqinisekiswe uphawu oluqinile.Idizayini ye-taper yalezi zintambo ivumela umphumela wokuzivala njengoba imicu iqiniswa.Kubalulekile ukusebenzisa i-compound yokuvala noma i-thread seal tape ngendlela efanele ukuze uvimbele ukuvuza nokuqinisekisa ukuxhumana okuphephile.
Izintambo ze-R ne-Rc nazo zidinga ukusetshenziswa kwenhlanganisela yokuvala noma i-thread seal tape ukuze kufakwe.Uhlobo oluthile lwendlela yokuvala izoncika ekutheni izintambo zinefomu elihambisanayo noma le-taper.Kubalulekile ukulandela izincomo zomenzi ngendlela efanele yokuvala ukuze uqinisekise ukuxhumana okuqinile nokungavuzi.
Izinto Nokucatshangelwa Ukukhetha Uchungechunge Olufanele
Lapho ukhetha intambo efanele yohlelo oluthile, kunezici ezimbalwa nokucatshangelwa okufanele kucatshangelwe.Esinye sezici ezibalulekile okufanele zicatshangelwe uhlobo lwentambo, njenge-BSPP, BSPT, R, kanye ne-Rc.Ukuqonda umehluko phakathi kwalezi zintambo kubalulekile ukuze wenze isinqumo unolwazi.
I-BSPP, eyaziwa nangokuthi yiBritish Standard Pipe Parallel, iwuhlobo lwentambo enomklamo ofanayo.Isetshenziswa kakhulu ezinhlelweni lapho kudingeka uphawu oluqinile lokuvuza.Lolu hlobo lwentambo luvame ukutholakala kuma-hydraulic systems, kanye nasezinhlelweni ze-pneumatic kanye negesi.Intambo ye-BSPP iyaziwa ngokufaka kalula kanye nekhono layo lokusingatha ukucindezela okukhulu.
Ngakolunye uhlangothi, i-BSPT, noma i-British Standard Pipe Taper, iwuhlobo lwentambo enomklamo we-taper.Lokhu kusho ukuthi ububanzi bentambo buyancipha ngobude bayo.Izintambo ze-BSPT zivame ukusetshenziswa ekufakweni kwamapayipi nokufaka amapayipi.Banikeza uphawu oluthembekile futhi amelana nokudlidliza, okubenza bafanelekele izindawo ezinomfutho ophezulu kanye nezinga lokushisa eliphezulu.
Izintambo ze-R, ezaziwa nangokuthi i-American National Standard Taper Pipe Thread, zifana nemicu ye-BSPT ngokwedizayini yazo ye-taper.Kodwa-ke, imicu engu-R ine-engeli ye-taper ehlukile futhi ivame ukusetshenziswa eNyakatho Melika.Lezi zintambo zivame ukutholakala ekufakweni kwamapayipi nokufaka amapayipi, kanye nasembonini kawoyela negesi.Uchungechunge lwe-R luhlinzeka ngoxhumano oluvikelekile noluqinile lokuvuza.
Okokugcina, imicu ye-Rc, noma i-British Standard Pipe Parallel/Conical, ihlanganisa izici zayo yomibili imicu ehambisanayo ne-taper.Le micu inengxenye ehambisanayo ngaphambili kanye nengxenye ye-taper ngemuva.Izintambo ze-Rc zivame ukusetshenziswa ezinhlelweni lapho kudingeka khona isigxivizo, njengakumasistimu asebenza ngamanzi namageji okucindezela.
Lapho ukhetha intambo efanele yesicelo esithile, kubalulekile ukucabangela ukuhambisana kwentambo nesistimu ekhona.Lokhu kuhlanganisa izici ezifana nosayizi wentambo, ukuphakama, nendlela yokuvala.Kubalulekile futhi ukucabangela izimo zokusebenza zesistimu, okuhlanganisa izinga lokushisa, ingcindezi, kanye nokuba khona kwezinto ezonakalisayo.
Isiphetho
I-athikili igcizelela ukubaluleka kokuqonda umehluko phakathi kwezintambo ze-BSPP, BSPT, R, kanye ne-Rc ukuze kukhethwe uhlobo lwentambo olufanele kumasistimu wamapayipi nama-hydraulic.Igqamisa izinzuzo nezici zohlobo ngalunye lwentambo, njengokufakwa kalula, indlela yokuvala uphawu, ukuhambisana nezinye izinhlobo zentambo, kanye nobubanzi bohlelo lokusebenza.I-athikili iphinde igcizelele isidingo sokucabangela izidingo ezithile, njengezinga lokugeleza, ukuphepha kokuxhumeka, ukuphatha ingcindezi, nezimo zemvelo lapho ukhetha uhlobo olulungile lwentambo.Sekukonke, ukukhetha uhlobo lwentambo olufanele kubalulekile ukuze kuqinisekiswe ukwethembeka, ukusebenza kahle, kanye nokusebenza kwesistimu noma okokusebenza esetshenziswa kuyo.
imibuzo ejwayelekile ukubuzwa
Q: Yimuphi umehluko omkhulu phakathi kwezintambo ze-BSPP ne-BSPT?
A: Imicu ye-BSPP (British Standard Pipe Parallel) inomucu ofanayo, kuyilapho i-BSPT (British Standard Pipe Taper) inomucu ocijile.Izintambo ze-BSPP zinendawo yokuvala emculweni ngokwawo, kuyilapho imicu ye-BSPT incike kwinhlanganisela yokuvala noma itheyiphu.
Q: Ingabe imicu ye-BSPP ne-BSPT ingasetshenziswa ngokushintshana?
A: Izintambo ze-BSPP ne-BSPT azishintsheki ngenxa yamafomu azo ahlukene.Ukuzama ukuzisebenzisa ngokushintshana kungase kubangele ukuvuza noma ukuvaleka okungafanele.Kubalulekile ukusebenzisa uhlobo lwentambo olulungile kuhlelo lokusebenza oluthile.
Q: Ngabe imicu ye-R ne-Rc ihluke kanjani kuchungechunge lwe-BSPP ne-BSPT?
A: Imicu engu-R (Whitworth) kanye ne-Rc (Whitworth Pipe) imicu yomibili iyafana, ifana nemicu ye-BSPP.Kodwa-ke, imicu engu-R inempande ne-crest eyindilinga, kuyilapho izintambo ze-Rc zinempande eyisicaba kanye ne-crest.Izintambo ze-BSPP ne-BSPT zinefomu elihlukile futhi aziqhathanisi ngokuqondile nemicu ye-R ne-Rc.
Q: Ingabe ikhona imihlahlandlela emisiwe yokukhetha uhlobo lwentambo olufanele?
IMP: Yebo, kunemihlahlandlela ejwayelekile yokukhetha uhlobo olufanele lochungechunge.Le mihlahlandlela icabangela izici ezifana nokusetshenziswa, isilinganiso sokucindezela, nokuhambisana nezinye izingxenye.Ukubonisana nezindinganiso zomkhakha kanye nokucaciswa kungasiza ekunqumeni uhlobo olufanele lwentambo.
Q: Yiziphi izimboni ezijwayelekile ezisebenzisa kakhulu imicu ye-BSPP, BSPT, R, noma i-Rc?
A: Izintambo ze-BSPP ne-BSPT zivame ukusetshenziswa ezinhlelweni ze-hydraulic kanye ne-pneumatic, kanye nezimboni ezifana nezimoto, amapayipi, kanye nezolimo.Izintambo ze-R ne-Rc zivame ukutholakala ekufakweni kwamapayipi namapayipi, ikakhulukazi e-Europe nase-United Kingdom.
Q: Yiziphi izinselelo ezingaba khona noma izithiyo zokusebenzisa imicu ye-R ne-Rc?
IMP: Inselele eyodwa engaba khona yokusebenzisa uchungechunge lwe-R ne-Rc ukuhambisana kwazo nezinye izinhlobo zentambo, njengoba kungenzeka zingashintsheki kalula.Ukwengeza, ukuthola okokufaka okuhambisanayo nama-adaptha emicu ye-R ne-Rc kungaba nzima kakhulu uma kuqhathaniswa nezintambo ze-BSPP ne-BSPT, ezinokutholakala okubanzi.
Q: Ingabe imicu ye-R ne-Rc ingaguqulwa ibe imicu ye-BSPP noma ye-BSPT?
A: Kungenzeka ukuguqula imicu ye-R ne-Rc ibe imicu ye-BSPP noma ye-BSPT usebenzisa ama-adaptha afanelekile noma izixhumi.Nokho, kubalulekile ukuqinisekisa ukuhambisana nokubeka uphawu ngendlela efanele lapho wenza ukuguqulwa okunjalo.Ukubonisana nochwepheshe onolwazi kunconywa ukuze kuqinisekiswe ukuguqulwa okuyimpumelelo.
