Threading yog ib qho kev siv tau zoo heev, zoo tagnrho rau kev sib txuas cov kav dej

Threading yog ib qho kev siv tau zoo heev, zoo tagnrho rau kev sib txuas cov kav dej.Nyob ntawm cov khoom siv, lawv tuaj yeem thauj tau ntau yam kua thiab roj, tiv taus huab cua thiab kev kub ntxhov.
Txawm li cas los xij, cov xov yuav raug hnav.Ib qho laj thawj tuaj yeem yog kev nthuav dav thiab kev cog lus, lub voj voog uas tshwm sim thaum cov kav dej khov thiab thaw.Cov xov tuaj yeem hnav vim kev hloov siab lossis kev co.Ib qho ntawm cov xwm txheej no tuaj yeem ua rau xau.Hauv cov kav dej, qhov no tuaj yeem txhais tau ntau txhiab nyiaj hauv dej nyab.Gas pipeline xau tuaj yeem ua rau tuag taus.
Es tsis txhob hloov tag nrho seem ntawm cov yeeb nkab, koj tuaj yeem kaw cov xov nrog ntau yam khoom.Siv cov sealant raws li kev tiv thaiv kev tiv thaiv los yog kev kho kho kom tiv thaiv kom tsis txhob muaj dej ntxiv.Feem ntau, cov yeeb nkab xov sealants muab cov tshuaj sai thiab pheej yig.Cov npe hauv qab no qhia tau hais tias cov yeeb nkab xov zoo tshaj plaws sealants rau ntau yam kev siv.
Lub hom phiaj yog txhawm rau tiv thaiv kev xau, tab sis txhais tau tias ua tiav qhov no tuaj yeem sib txawv heev.Qhov zoo tshaj plaws yeeb nkab xov sealant rau ib yam khoom yog qee zaum tsis haum rau lwm tus.Ntau yam khoom tsis tiv taus siab lossis kub hauv qee qhov xwm txheej.Cov khoom lag luam hauv qab no thiab cov txheej txheem kev yuav khoom tuaj yeem pab txiav txim siab seb cov yeeb nkab xov sealant yuav yuav.
PTFE, luv luv rau polytetrafluoroethylene, yog ib qho hluavtaws polymer.Nws feem ntau hu ua Teflon, tab sis qhov no yog lub npe lag luam nruj me ntsis.PTFE daim kab xev yog hloov tau yooj yim thiab tuaj yeem siv tau yooj yim rau cov xov ntawm ntau cov kav hlau.Muaj ntau yam rau huab cua, dej thiab roj kab.Telfon feem ntau tsis pom zoo rau PVC vim nws yuav lubricate cov xov.Qhov no tsis yog teeb meem rau ntau cov ntaub ntawv, tab sis nws tuaj yeem ua rau PVC threads dhau "nkim", uas tuaj yeem ua rau muaj kev puas tsuaj los ntawm overtightening.
Pipe paste, tseem hu ua yeeb nkab sib txuas ua ke, yog ib qho txhuam-piv tuab muab tshuaj txhuam feem ntau piv rau putty.Nws yog ntau yam yeeb nkab xov sealant thiab ua haujlwm zoo nyob rau hauv feem ntau.Muaj ntau lub npe hu ua soft curing compounds.Lawv tsis kho tag nrho, yog li lawv tuaj yeem them nyiaj rau qee qhov kev txav mus los lossis kev hloov siab.
Cov xim yeeb nkab feem ntau yog xaiv los ntawm cov kws tshaj lij;koj yuav pom nws nyob rau hauv cov khoom siv kav dej feem ntau vim nws qhov ua tau zoo ntawm txhua yam ntawm cov kav dej tooj liab siv rau cov kav dej thiab cov kav dej yas siv rau cov kav dej.Txawm li cas los xij, nws yog kim dua Teflon daim kab xev, tsis yooj yim rau siv, thiab feem ntau formulations yog hnyav raws li.
Anaerobic resins tsis xav tau cov kuab tshuaj los kho, es tsis txhob hnov ​​​​qab tshem tawm cov huab cua nkag mus rau hauv kab.Resins muaj cov khoom ntawm cov yas, yog li lawv sau cov voids zoo, tsis txhob ntsws lossis tawg.Txawm tias me ntsis txav los yog kev co, lawv kaw zoo heev.
Txawm li cas los xij, cov sealant resins xav tau hlau ions los kho, yog li lawv feem ntau tsis haum rau cov yeeb nkab yas.Lawv kuj tseem yuav siv sij hawm ntev txog 24 teev los kaw kom zoo.Anaerobic resins yog kim dua li cov yeeb nkab txheej, ua rau lawv qhov kev xaiv kim tshaj plaws.Feem ntau, cov khoom siv resin yog qhov zoo tshaj plaws rau cov ntawv thov kev tshaj lij es tsis yog siv hauv tsev thiab vaj tsev.
Nco tseg.Ob peb cov yeeb nkab xov sealants yog tsim rau siv nrog cov pa ntshiab.Cov tshuaj tiv thaiv tuaj yeem ua rau hluav taws kub lossis tawg.Kev kho cov pa oxygen fittings yuav tsum tau ua los ntawm cov neeg ua haujlwm tsim nyog.
Hauv luv luv, PTFE thiab anaerobic resin yeeb nkab xov sealants yog haum rau cov kav hlau, thiab cov yeeb nkab txheej tuaj yeem kaw cov kav dej yuav luag txhua yam khoom.Txawm li cas los xij, nws yog ib qho tseem ceeb kom ua tib zoo xyuas qhov tsim nyog ntawm cov khoom.Cov kav hlau muaj xws li tooj liab, tooj dag, txhuas, galvanized steel, stainless hlau thiab hlau.Cov khoom siv hluavtaws muaj xws li ABS, cyclolac, polyethylene, PVC, CPVC thiab, tsis tshua muaj, fiberglass reinforcement.
Txawm hais tias qee qhov zoo tshaj plaws yeeb nkab xov sealants yog universal, tsis yog txhua hom yog haum rau tag nrho cov yeeb nkab cov ntaub ntawv.Kev tsis lees paub tias lub sealant yuav ua haujlwm zoo nrog cov khoom siv hauv cov kav dej tshwj xeeb tuaj yeem ua rau cov xau ntxiv uas yuav tsum tau ua haujlwm kho ntxiv.
Nws yog ib qho tseem ceeb kom ntseeg tau tias cov yeeb nkab xov sealant tuaj yeem tiv taus cov xwm txheej tam sim no.Feem ntau, lub sealant yuav tsum tiv taus qhov kub thiab txias yam tsis muaj khov los yog tawg.
PTFE daim kab xev tej zaum yuav zoo li ib yam khoom yooj yim, tab sis nws yog ib qho xav tsis thoob.Lub hom phiaj ntawm daim kab xev yog dawb thiab feem ntau yuav tiv taus qhov kub thiab txias los ntawm rho tawm 212 txog 500 degrees Fahrenheit.Daim kab xev daj rau cov pa roj muaj qhov txwv zoo sib xws, tab sis qee qhov tuaj yeem tiv taus qhov kub thiab txias mus txog 450 degrees.
Cov yeeb nkab coatings thiab anaerobic resins tsis hloov pauv thaum huab cua kub zoo li thaum huab cua txias.Feem ntau, lawv tuaj yeem tiv taus qhov kub ntawm -50 degrees rau 300 lossis 400 degrees Fahrenheit.Qhov no txaus rau ntau daim ntawv thov, txawm hais tias nws tuaj yeem txwv kev siv sab nraum zoov hauv qee qhov chaw.
Feem ntau hauv tsev DIYers tej zaum yuav tsis muaj kev txhawj xeeb txog kev xau siab.Cov pa roj carbon monoxide yog nruab nrab ntawm ⅓ thiab ¼ phaus ib square inch (psi), thiab thaum lub qhov xau yuav zoo li qhov xau loj, nws tsis zoo li tias koj lub tsev dej siab yuav siab tshaj 80 psi.
Txawm li cas los xij, kev ntxhov siab tuaj yeem ua tau ntau dua hauv cov chaw lag luam thiab qhov zoo tshaj plaws cov yeeb nkab xov sealant rau cov cheeb tsam no yuav tsum muaj peev xwm tiv taus nws.Cov qauv molecular ntawm cov pa roj thiab cov kua dej ua rau muaj kev txwv sib txawv.Piv txwv li, cov yeeb nkab txheej muaj peev xwm tiv taus cov kua siab ntawm 10,000 psi tsuas tuaj yeem tiv taus cua siab txog 3,000 psi.
Thaum xaiv cov khoom tsim nyog rau txoj haujlwm, nws yog ib qho tseem ceeb uas yuav tau xav txog txhua yam ntawm cov xov sealant specifications.Txhawm rau ua kom yooj yim rau koj, qhov kev muab tso ua ke no muaj qhov zoo tshaj plaws cov yeeb nkab xov sealants rau cov kav dej xau raws li cov yam ntxwv xws li hom yeeb nkab lossis nws siv.
Gasoila yog cov yeeb nkab uas tsis yog-hardening uas muaj PTFE los pab nws nyob twj ywm.Yog li, ntxiv rau nws cov viscosity siab, lub sealant yog ib qho yooj yim mus thov nrog cov txhuam hniav, txawm tias txias.Cov khoom no kuj txhais tau tias cov pob qij txha tiv taus kev txav thiab kev co.Cov sealant no siv tau rau txhua yam khoom siv kav dej, nrog rau cov hlau thiab yas, thiab ntawm cov kav dej uas muaj feem ntau cov pa roj thiab kua.Nws muaj kev nyab xeeb rau cov kab hydraulic thiab cov kav dej nqa cov roj av thiab cov dej ntxhia, uas tuaj yeem tua qee cov yeeb nkab xov sealants.
Gasoila Thread Sealant tuaj yeem tiv taus cov kua siab txog li 10,000 psi thiab roj siab txog 3,000 psi.Kev khiav hauj lwm kub ntawm qhov rho tawm 100 degrees mus rau 600 degrees Fahrenheit yog ib qho ntawm ntau yam ntau yam rau cov yeeb nkab txheej.Lub sealant ua raws li kev lees paub thoob ntiaj teb cov qauv kev nyab xeeb.
Dixon Industrial Daim kab xev yog ib qho pheej yig yeeb nkab xov sealant uas yuav tsum nrhiav qhov chaw nyob rau hauv txhua lub thawv.Nws yog ib qho yooj yim mus use, tsis muaj kev phom sij ntawm dripping rau ntawm qhov chaw mos, thiab nws tsis tas yuav tsum tau ntxuav.PTFE daim kab xev dawb no siv tau rau kev sib khi txhua yam ntawm cov kav hlau uas nqa dej los yog cua.Nws kuj tseem siv tau los txhawb cov xov qub thaum cov ntsia hlau xoob.
Daim kab xev Dixon no muaj qhov ntsuas kub ntawm -212 degrees Fahrenheit txog 500 degrees Fahrenheit.Thaum nws tsim nyog rau ntau daim ntawv thov hauv tsev thiab kev lag luam, nws tsis yog tsim los rau kev kub siab lossis roj siv.Cov khoom no yog ¾ "dav thiab haum rau feem ntau cov yeeb nkab xov.Nws dov ntev yog ze li ntawm 43 ko taw rau kev txuag nyiaj ntxiv.
Oatey 31230 Tube Fitting Compound yog ib qho zoo heev lub hom phiaj yeeb nkab xov sealant.Cov khoom no tsuas yog siv rau cov kav dej;Cov khoom no ua raws li NSF-61, uas teev cov qauv rau cov khoom siv dej hauv nroog.Txawm li cas los xij, nws tseem tuaj yeem kaw cov xau hauv cov kab nqa chav, huab cua, kua corrosive thiab ntau cov kua qaub.Oatey haum tebchaw yog tsim rau hlau, hlau, tooj liab, PVC, ABS, Cycolac thiab polypropylene.
Cov mis mos no tiv taus qhov kub thiab txias los ntawm rho tawm 50 degrees txog 500 degrees Fahrenheit thiab cua siab txog 3,000 psi thiab dej siab txog 10,000 psi.Cov mis mos eco-friendly thiab non-toxic tso cai rau nws siv los ua cov yeeb nkab txheej (txawm tias nws yuav ua rau tawv nqaij khaus).
Qhov teeb meem tseem ceeb ntawm kev siv cov sealants ntawm PVC threads yog tias cov neeg siv feem ntau yuav tsum nruj nruj ntawm qhov sib koom ua ke, uas tuaj yeem ua rau tawg lossis stripping.PTFE tapes tsis pom zoo vim lawv lubricate cov xov thiab ua kom nws yooj yim dua kom nruj.Rectorseal T Plus 2 muaj PTFE thiab polymer fibers.Lawv muab kev sib txhuam ntxiv thiab kev ruaj ntseg foob yam tsis muaj kev quab yuam ntau dhau.
Cov emollient no kuj tsim nyog rau feem ntau lwm yam khoom siv, xws li hlau thiab yas.Nws tuaj yeem kaw cov kav dej thauj dej, roj thiab roj ntawm -40 txog 300 degrees Fahrenheit.Roj siab yog txwv rau 2,000 psi thiab kua siab yog txwv rau 10,000 psi.Nws kuj tseem yuav nyob rau hauv siab tam sim tom qab siv.
Feem ntau, PTFE daim kab xev dawb yog siv rau kev siv dav dav thiab daj PTFE daim kab xev (xws li Harvey 017065 PTFE Sealant) yog siv rau cov pa roj.Daim kab xev hnyav no ua tau raws li UL gas kev nyab xeeb.Harvey daim kab xev no yog cov khoom siv ntau yam uas tau pom zoo tsis yog rau cov pa roj carbon monoxide, butane thiab propane, tab sis kuj rau dej, roj thiab roj av.
Daim kab xev daj no kaw tag nrho cov hlau thiab cov kav dej yas feem ntau, txawm li cas los xij, zoo li txhua daim kab xev PTFE, nws tsis pom zoo siv rau PVC.Nws cov tuab kuj haum rau cov haujlwm xws li kho cov xov ntawm bolts lossis valve fittings.Cov kab xev muaj qhov kub thiab txias ntawm kev ua haujlwm ntawm rho tawm 450 degrees mus rau qhov siab tshaj plaws ntawm 500 degrees Fahrenheit thiab raug ntsuas rau siab txog li 100 psi.
Cov xim pleev xim rau cov pa cua yog ib qho kev sib xyaw ua ke, tab sis feem ntau nws tuaj hauv tsawg kawg yog 4 ounce cov kaus poom.Qhov no yog ntau dhau rau feem ntau cov cuab yeej.Rectorseal 25790 los hauv lub raj yooj yim rau kev nkag tau yooj yim.
Tsim nyog rau threading yas thiab hlau kav, no soft curing compound yog tsim rau sealing kav uas muaj ntau yam gases thiab kua, nrog rau cov dej haus.Thaum siv nrog roj, huab cua, lossis dej siab txog li 100 psi (tsim rau feem ntau cov kev teeb tsa hauv tsev), nws tuaj yeem raug nias sai sai tom qab kev pabcuam.Cov khoom muaj qhov kub ntawm -50 ° F txog 400 ° F thiab siab tshaj plaws ntawm 12,000 psi rau cov kua thiab 2,600 psi rau cov pa roj.
Rau feem ntau cov yeeb nkab xov sealing tej yaam num, cov neeg siv tsis tuaj yeem yuam kev nrog Gasoila - SS16, kub resistant non-hardening PTFE muab tshuaj txhuam.Cov neeg yuav khoom uas xav kom tsis txhob muaj kev ntxhov siab ntawm kev ua raws li yuav xav txog Dixon Sealing Daim Kab Xev, ib qho pheej yig tsis tau siv tau txhua lub hom phiaj PTFE daim kab xev.
Wrapping peb xaiv qhov zoo tshaj plaws cov yeeb nkab xov sealants, peb tau saib ob yam khoom nrov tshaj plaws: daim kab xev thiab sealant.Peb daim ntawv pom zoo muab cov neeg yuav khoom xaiv rau ntau yam kev siv tshwj xeeb, los ntawm PVC mus rau cov kav hlau rau dej lossis roj, peb muaj cov tshuaj uas haum rau koj qhov xwm txheej.
Thaum peb tshawb fawb, peb tau ua kom paub tseeb tias tag nrho peb cov lus pom zoo yog los ntawm cov npe nrov siv los ntawm cov kws tshaj lij.Tag nrho peb cov lockpicks zoo tshaj plaws tiv taus qhov kub thiab txias thiab muab kev ruaj ntseg foob.
Hauv qhov no, koj tau kawm txog ntau yam kev ua haujlwm los txiav txim siab thaum xaiv cov yeeb nkab xov sealant.Qhov Kev Xaiv Zoo Tshaj Plaws teev qee qhov zoo tshaj plaws cov yeeb nkab xov sealants rau cov ntawv thov tshwj xeeb, tab sis yog tias koj tseem muaj cov lus nug tsis teb, tshawb xyuas cov ntaub ntawv tseem ceeb hauv qab no.
Cov yeeb nkab txheej yog feem ntau haum rau PVC thiab Rectorseal 23631 T Plus 2 yeeb nkab xov sealant yog qhov zoo tshaj plaws compound rau lub hom phiaj no.
Ntau cov sealants yog tsim los siv mus tas li, tab sis feem ntau tuaj yeem raug tshem tawm yog tias xav tau.Txawm li cas los xij, yog tias cov xau txuas ntxiv, cov yeeb nkab lossis cov khoom siv yuav tsum tau hloov kho kom kho qhov teeb meem.
Nws nyob ntawm cov khoom.Piv txwv li, mos sealant yeej tsis dries kiag li, yog li nws yog ntau resistant rau vibration los yog siab hloov.
Nws nyob ntawm hom, tab sis koj yuav tsum nco ntsoov pib los ntawm kev ntxuav cov xov.PTFE daim kab xev yog siv clockwise rau txiv neej xov.Tom qab peb los yog plaub lem, snap nws tawm thiab nias rau hauv qhov zawj.Cov yeeb nkab lubricant feem ntau yog siv rau cov xov sab nraud.