Intambo iyindlela esebenza kahle kakhulu, elungele ukuxhuma amasistimu amapayipi.Kuye ngezinto ezibonakalayo, bangakwazi ukuthutha ngokuphepha uketshezi oluningi namagesi, ukumelana nezimo ezimbi kakhulu kanye nezingcindezi eziphezulu.
Kodwa-ke, izintambo zingase zigqoke.Esinye isizathu kungaba ukunwetshwa nokufinyela, umjikelezo owenzeka lapho amapayipi eba yiqhwa futhi encibilika.Imicu ingagqokwa ngenxa yoshintsho lwengcindezi noma ukudlidliza.Noma iyiphi yalezi zimo ingase ibangele ukuvuza.Endabeni yamapayipi amanzi, lokhu kungasho izinkulungwane zamaRandi emonakalweni wezikhukhula.Ukuvuza kwamapayipi egesi kungabulala.
Esikhundleni sokushintsha ingxenye yonke yepayipi, ungavala izintambo ngohlu lwemikhiqizo.Faka i-sealant njengendlela yokuvimbela noma njengendlela yokulungisa ukuvimbela ukuvuza okwengeziwe.Ezimweni eziningi, ama-sealant entambo yamapayipi ahlinzeka ngesixazululo esisheshayo nesingabizi kakhulu.Uhlu olulandelayo lubonisa ama-sealant wentambo yamapayipi angcono kakhulu wezinhlelo zokusebenza ezahlukahlukene.
Umgomo uwukuvimbela ukuvuza, kodwa izindlela zokufeza lokhu zingahluka kakhulu.I-pipe thread thread sealant engcono kakhulu yento eyodwa ngezinye izikhathi ayifanele enye.Imikhiqizo ehlukahlukene ayimelani nengcindezi noma izinga lokushisa ezimweni ezithile.Izici ezilandelayo zomkhiqizo nemihlahlandlela yokuthenga ingasiza ekunqumeni ukuthi iyiphi i-pipe thread sealant okufanele uyithenge.
I-PTFE, ifushane nge-polytetrafluoroethylene, i-polymer yokwenziwa.Ivame ukubizwa ngokuthi i-Teflon, kodwa leli yigama lezohwebo.Itheyiphu ye-PTFE iguquguquka kakhulu futhi ingasetshenziswa kalula emiculweni yamapayipi ensimbi ahlukahlukene.Kunezinhlobonhlobo zemigqa yomoya, amanzi kanye negesi.I-Telfon ngokuvamile ayinconywa nge-PVC njengoba izogcoba imicu.Lokhu akuyona inkinga yezinto eziningi, kodwa kungenza izintambo ze-PVC zibe "bushelelezi", okungaholela ekulimaleni kokuqina ngokweqile.
I-Pipe paste, eyaziwa nangokuthi inhlanganisela yokuhlanganisa ipayipi, i-putty esetshenziswa ibhulashi eliwugqinsi elivame ukuqhathaniswa ne-putty.Iwuphawu lwentambo yepayipi eguquguqukayo kakhulu futhi iphumelela kakhulu ezimeni eziningi.Eziningi zaziwa ngokuthi ama-soft-curing compounds.Azelaphi ngokugcwele, ngakho-ke angakwazi ukunxephezela ngezinga elithile lokunyakaza noma izinguquko zengcindezi.
Upende wepayipi ngokuvamile ukhethwa ochwepheshe;uzoyithola kumakhithi wamathuluzi amaningi okuphamba amapayipi ngenxa yokusebenza kwayo kuzo zonke izinhlobo zamapayipi ethusi asetshenziselwa amanzi namapayipi epulasitiki asetshenziselwa indle.Kodwa-ke, kubiza kakhulu kune-Teflon tape, akulula ukuyisebenzisa, futhi ukwakheka okuningi kusekelwe ku-solvent.
Ama-anaerobic resins awadingi izincibilikisi ukuze zelashwe, kunalokho asabela ukuze asuse umoya ekungeneni emgqeni.Ama-resin anezakhiwo zepulasitiki, ngakho-ke agcwalisa i-void kahle, awanciphisi noma aqhekeke.Ngisho nokunyakaza okuncane noma ukudlidliza, bavala kahle kakhulu.
Kodwa-ke, lawa ma-resin e-sealant adinga ama-ion ensimbi ukuze elashwe, ngakho ngokuvamile awafaneleki emicu yamapayipi epulasitiki.Angase futhi athathe amahora angu-24 ukuze avale kahle.Ama-anaerobic resins abiza kakhulu kunezingubo zamapayipi, okwenza kube yinketho ebiza kakhulu.Ngokuvamile, imikhiqizo ye-resin ifaneleka kakhulu ukusetshenziswa kochwepheshe kunokusetshenziswa okuvamile kwekhaya negceke.
QAPHELA.Ambalwa ama-thread thread thread sealants alungele ukusetshenziswa nge-oxygen emsulwa.Ukusabela kwamakhemikhali kungabangela umlilo noma ukuqhuma.Noma yikuphi ukulungiswa kokufakwa komoyampilo kufanele kwenziwe izisebenzi eziqeqeshwe ngokufanelekile.
Ngamafuphi, i-PTFE kanye nama-anaerobic resin pipe thread sealants afanele amapayipi ensimbi, futhi ukumbozwa kwamapayipi kungavala amapayipi cishe nganoma iyiphi into.Nokho, kubalulekile ukuhlola ngokucophelela ukufaneleka kwezinto.Amapayipi ensimbi angafaka ithusi, ithusi, i-aluminium, insimbi, insimbi engagqwali ne-ayoni.Izinto zokwenziwa zifaka i-ABS, i-cyclolac, i-polyethylene, i-PVC, i-CPVC futhi, ezimweni ezingavamile, i-fiberglass reinforcement.
Nakuba amanye ama-sealant wentambo yamapayipi angcono kakhulu ekhona yonke indawo, akuzona zonke izinhlobo ezifanele zonke izinto zamapayipi.Ukwehluleka ukuqinisekisa ukuthi i-sealant izosebenza ngempumelelo ngento ethile yokufaka amapayipi kungase kubangele ukuvuza okwengeziwe okudinga omunye umsebenzi wokulungisa.
Kubalulekile ukuqinisekisa ukuthi i-pipe thread sealant ingakwazi ukumelana nezimo zemvelo zamanje.Isikhathi esiningi, i-sealant kumele imelane namazinga okushisa aphezulu ngaphandle kokuqhwaza noma ukuqhekeka.
Itheyiphu ye-PTFE ingase ibonakale njengomkhiqizo oyisisekelo, kodwa ikwazi ukuqina ngokumangalisayo.Itheyiphu yenhloso evamile imhlophe futhi izomelana namazinga okushisa ukusuka ku-minus 212 kuya ku-500 degrees Fahrenheit.Itheyiphu ephuzi yamagesi inomkhawulo ophezulu ofanayo, kodwa amanye angakwazi ukumelana namazinga okushisa ehle aze afike ku-450 degrees.
Izindwangu zamapayipi nama-anaerobic resins aziguquguquki esimweni sezulu esishisayo njengoba kwenzeka esimweni sezulu esibandayo.Ngokujwayelekile, angakwazi ukumelana namazinga okushisa asukela ku--50 degrees kuya ku-300 noma angu-400 degrees Fahrenheit.Lokhu kwanele ezinhlelweni eziningi, nakuba kungase kukhawulele ukusetshenziswa kwangaphandle kwezinye izindawo.
Iningi lama-DIYers asekhaya cishe ngeke kudingeke likhathazeke ngokuvuza kwengcindezi ephezulu.Igesi yemvelo iphakathi kuka-⅓ kanye namaphawundi angu-¼ ngeyintshi yesikwele (psi), futhi nakuba ukuvuza kungase kubonakale njengokuvuza okukhulu, mancane amathuba okuthi umfutho wamanzi wekhaya lakho udlule u-80 psi.
Kodwa-ke, izingcindezi zingaba phezulu kakhulu ezikhungweni zezentengiselwano futhi isivalo sentambo yamapayipi esingcono kakhulu salezi zindawo kufanele sikwazi ukumelana nakho.Izakhiwo zamangqamuzana amagesi noketshezi ziholela emikhawulweni yokucindezela ehlukene.Isibonelo, ukumbozwa kwepayipi okukwazi ukumelana nokucindezela kwamanzi okungu-10,000 psi kungamelana kuphela nokucindezela komoya okungaba ngu-3,000 psi.
Lapho ukhetha umkhiqizo ofanele womsebenzi, kubalulekile ukucabangela zonke izici zokucaciswa kwe-thread sealant.Ukwenza kube lula kuwena, lokhu kuhlanganiswa kufaka ama-sealant wentambo yamapayipi angcono kakhulu amapayipi avuzayo asuselwa kuzici ezifana nohlobo lwepayipi noma ukusetshenziswa kwalo.
I-Gasoila iyimbongolo yepayipi engaqini equkethe i-PTFE ukuyisiza ukuthi ihlale ivumelana nezimo.Ngakho-ke, ngaphezu kwe-viscosity yayo ephezulu, i-sealant kulula ukuyisebenzisa nge-brush ehlanganisiwe, ngisho nalapho kubanda.Lezi zakhiwo zibuye zisho ukuthi amalunga amelana nokunyakaza nokudlidliza.Le sealant iyasebenza kuzo zonke izinto ezijwayelekile zamapayipi, okuhlanganisa izinsimbi namapulasitiki, nasemapayipini anamagesi amaningi noketshezi.Iphephile olayini abadonsa amanzi kanye namapayipi aphethe uphethiloli kanye nemimoya yamaminerali, engahlasela ezinye izinsimbi zokuvala intambo zamapayipi.
I-Gasoila Thread Sealant ingamelana nezingcindezi zoketshezi ezifika ku-10,000 psi kanye nezingcindezi zegesi ezifika ku-3,000 psi.Izinga lokushisa elisebenzayo ukusuka ku-minus 100 degrees kuya ku-600 degrees Fahrenheit lingelinye lezinhlanga eziguquguqukayo kakhulu zokumbozwa kwamapayipi.I-sealant ithobelana namazinga okuphepha aqashelwa umhlaba wonke.
I-Dixon Industrial Tape iyisivalo sentambo yamapayipi engabizi okufanele ithole indawo kuwo wonke amabhokisi amathuluzi.Kulula ukuyisebenzisa, ayikho ingozi yokuconsa ezindaweni ezithambile, futhi ayidingi ukuhlanzwa.Le tape emhlophe ye-PTFE iyasebenza ukuvala zonke izinhlobo zamapayipi ensimbi athwala amanzi noma umoya.Ingasetshenziswa futhi ukuqinisa imicu emidala lapho isikulufu sixega.
Le tape ye-Dixon inezinga lokushisa elisebenzayo elingu- -212 degrees Fahrenheit ukuya ku-500 degrees Fahrenheit.Nakuba ifanele izicelo eziningi zasekhaya nezentengiso, ayiklanyelwe ukucindezela okukhulu noma ukusetshenziswa kwegesi.Lo mkhiqizo ungu-¾” ububanzi futhi ulingana nochungechunge lwamapayipi amaningi.Ubude bayo bokugoqa cishe bungamafidi angama-43 ukuze uthole ukonga okungeziwe.
I-Oatey 31230 Tube Fitting Compound iyisivaleli sentambo yepayipi enenhloso evamile.Lo mkhiqizo usetshenziselwa ikakhulukazi amapayipi amanzi;Lo mkhiqizo uhambisana ne-NSF-61, ebeka izinga lemikhiqizo yamanzi kamasipala.Kodwa-ke, ingavala nokuvuza kwemigqa ethwele isitimu, umoya, uketshezi olubolayo nama-asidi amaningi.Ama-oatey fitting compounds afanele insimbi, insimbi, ithusi, i-PVC, i-ABS, i-Cycolac ne-polypropylene.
Le fomula ethambile imelana namazinga okushisa ukusuka ku-minus 50 degrees Fahrenheit kanye nomfutho womoya ofinyelela ku-3,000 psi kanye nokucindezela kwamanzi kufika ku-10,000 psi.Ifomula ye-eco-friendly nengenabo ubuthi ivumela ukuthi isetshenziswe njenge-coating yepayipi (nakuba ingase ibangele ukucasuka kwesikhumba).
Inkinga enkulu ngokusebenzisa ama-sealant emicu ye-PVC ukuthi abasebenzisi ngokuvamile kufanele baqinise kakhulu i-joint, okungaholela ekuqhekekeni noma ekukhumuleni.Amateyipu e-PTFE awanconywa njengoba egcoba imicu futhi enze kube lula ukuphinda aqinise.I-Rectorseal T Plus 2 iqukethe i-PTFE kanye nemicu ye-polymer.Banikeza ukungqubuzana okwengeziwe kanye nophawu oluvikelekile ngaphandle kwamandla amakhulu.
Le emollient ifaneleka nakwezinye izinto eziningi zamapayipi, okuhlanganisa izinsimbi namapulasitiki.Ingakwazi ukuvala amapayipi athutha amanzi, igesi kanye nophethiloli ku--40 kuya ku-300 degrees Fahrenheit.Umfutho wegesi ukhawulelwe ku-2,000 psi futhi umfutho we-liquid ukhawulelwe ku-10,000 psi.Kungase futhi kube ngaphansi kwengcindezi ngokushesha ngemva kokusetshenziswa.
Imvamisa, itheyiphu ye-PTFE emhlophe isetshenziselwa izinhlelo zokusebenza ezijwayelekile kanye netheyiphu ye-PTFE ephuzi (isb. I-Harvey 017065 PTFE Sealant) isetshenziselwa amagesi.Le tape yomsebenzi esindayo ihlangabezana nezidingo zokuphepha kwegesi ye-UL.Le tape ye-Harvey ingumkhiqizo oguquguqukayo onconywa hhayi kuphela ngegesi yemvelo, i-butane ne-propane, kodwa namanzi, amafutha kanye nophethiloli.
Le tape ephuzi ivala wonke amapayipi ensimbi namaningi epulasitiki, nokho, njengawo wonke amateyipu e-PTFE, ayinconywa ukuthi isetshenziswe ku-PVC.Ubukhulu bayo bubuye bufanele imisebenzi efana nokulungisa izintambo kuma-bolts noma ama-valve fittings.Itheyiphu inezinga lokushisa elisebenzayo lika-minus 450 degrees kuya ku-500 degrees Fahrenheit futhi ilinganiselwe ngezingcindezi ezifika ku-100 psi.
Upende wepayipi lomoya uyinhlanganisela yezinjongo zonke, kodwa ngokuvamile ufika okungenani ngamathini ama-ounce angu-4.Lokhu kuningi kakhulu kumathuluzi amaningi.I-Rectorseal 25790 iza ngeshubhu elula ukuze ifinyeleleke kalula.
Ifanele ukuthungatha amapayipi epulasitiki nawensimbi, le nhlanganisela ethambile yokwelapha ifanele ukuvala amapayipi aqukethe amagesi ahlukahlukene noketshezi, okuhlanganisa namanzi okuphuza.Uma isetshenziswa negesi, umoya, noma ingcindezi yamanzi efika ku-100 psi (efanele ukufakwa okuningi kwasekhaya), ingacindezelwa ngokushesha ngemva kwesevisi.Umkhiqizo unebanga lokushisa elingu--50°F ukuya ku-400°F kanye nokucindezela okukhulu okungu-12,000 psi oketshezini kanye no-2,600 psi wamagesi.
Kumaphrojekthi amaningi okuvala intambo yamapayipi, abasebenzisi abakwazi ukungahambi kahle nge-Gasoila – SS16, ukunamathisela kwe-PTFE okungaqinile okumelana nezinga lokushisa eliphezulu.Abathengi abancamela ukugwema isiphithiphithi sokunamathela bangacabangela i-Dixon Sealing Tape, itheyiphu ye-PTFE ethengekayo kodwa esebenzayo yezinjongo zonke.
Ukugoqa ukukhetha kwethu kwezinsimbi ezingcono kakhulu zokuvala intambo yamapayipi, sibheke izinhlobo ezimbili zomkhiqizo ezidume kakhulu: itheyiphu ne-sealant.Uhlu lwethu olunconyiwe lunikeza izinketho zabathengi zezinhlobonhlobo zezicelo ezithile, kusukela ku-PVC kuya kumapayipi ensimbi amanzi noma igesi, sinesixazululo esivumelana kangcono nesimo sakho.
Phakathi nocwaningo lwethu, senze isiqiniseko sokuthi zonke izincomo zethu bezivela ezinkampanini ezaziwayo ezisetshenziswa ochwepheshe abangomakadebona.Zonke izikhiya zethu ezingcono kakhulu zimelana nezinga lokushisa eliphezulu futhi zinikeza uphawu oluvikelekile.
Kuleli qophelo, ufunde mayelana nezici ezihlukahlukene zobuchwepheshe okufanele uzicabangele lapho ukhetha i-sealant yentambo yepayipi.Isigaba se-Best Choice sibonisa ezinye zezinsimbi ezingcono kakhulu zezintambo zepayipi zezinhlelo zokusebenza ezithile, kodwa uma usenemibuzo engaphenduliwe, hlola ulwazi oluwusizo olungezansi.
Izindwangu zamapayipi ngokuvamile zifaneleka kangcono ku-PVC kanye ne-Rectorseal 23631 T Plus 2 intambo yepayipi sealant iyinhlanganisela engcono kakhulu yale njongo.
Ama-sealant amaningi aklanyelwe ukusetshenziswa unomphela, kodwa amaningi angasuswa uma kudingeka.Nokho, uma ukuvuza kuqhubeka, ipayipi noma ukufaka kungase kudinge ukushintshwa ukuze kulungiswe inkinga.
Kuncike kumkhiqizo.Isibonelo, i-soft sealant ayibomi ngokuphelele, ngakho-ke imelana kakhulu nokudlidliza noma izinguquko zengcindezi.
Kuncike ohlotsheni, kodwa kufanele uqale ngokuhlanza izintambo.Itheyiphu ye-PTFE isetshenziswa ngokwewashi kuntambo yesilisa.Ngemuva kokujika kathathu noma kane, yikhiphe bese uyicindezela emseleni.I-Lubricant yamapayipi ngokuvamile isetshenziswa emicu yangaphandle.
Isikhathi sokuthumela: Jan-15-2023