Ifan Hoobkas 30+ xyooKev tsim khoom txhawb xim / loj customization kev them nyiaj yug dawb.Qhov kev sib tham rau cov ntawv teev thiab kuaj dawb.Qhov no yog peb FacebookLub Vev Xaib: www.Facebook.com, Nyem rau saib yog tias cov khoom lag luam video.comared nrog cov khoom lag luam Nyom, peb li cov khoom lag luam los ntawm qhov zoo rau koj xaiv zoo tshaj plaws, zoo siab tos txais yuav!
Kev tsom xam ntawm txoj kev xeb tawm tsam ntawm tooj dag partings
1. Taw qhia rau tooj dag lub fittings thiab corrosion
Lub luag haujlwm ntawm tooj dag cov fittings hauv cov kav dej
Brass PeX (Cross - Linked Polyethylene) fittings yog ib qho tseem ceeb hauv cov dej ntws niaj hnub. Lawv tau siv los txuas cov tubing pex tubing, uas tau paub rau nws qhov yooj, ruaj khov, thiab tsis kam mus khov. Brass, ntawm qhov tod tes, yog xaiv rau nws cov kev kho tshuab zog, ua haujlwm, thiab corrosion - resistant cov khoom. Txawm li cas los xij, xeb tseem tuaj yeem ua rau muaj kev hem thawj rau cov fittings dhau sijhawm. Nkag siab txog kev xeb tawm tsam ntawm tooj dag PeX fittings yog qhov tseem ceeb heev cuam tshuam nrog kev ua kom ntev, kev ua tau zoo, thiab kev nyab xeeb ntawm cov kav dej kav dej. Corrosion tuaj yeem ua rau cov dej xau, txo cov dej ntws, thiab txawm tias lub cev tsis tiav, ua rau muaj kev phom sij thiab muaj peev xwm ua kev puas tsuaj.
2. Corrosion mechanisms cuam tshuam rau tooj dag Partings
Tshuaj Yeeb Nkab
Kev cuam tshuam ntawm cov dej lim
Ib qho ntawm thawj lub cev corrosion rau brass peb fittings yog tshuaj lom neeg, feem ntau cuam tshuam los ntawm cov dej ntws los ntawm cov kab ke. Dej tuaj yeem muaj ntau cov tshuaj yaj, xws li cov pa, chlorides, sulfates, thiab carbonates. Chlorides, piv txwv li, yog kev txhoj puab heev ntawm tooj dag. Lawv tuaj yeem nkag mus rau cov yeeb yaj kiab passive uas ua rau saum npoo ntawm tooj daj, uas ib txwm muaj kev tiv thaiv. Thaum zaj duab xis ua txhaum cai, cov hlau hauv qab yog raug rau kev tawm tsam ntxiv. Hauv cov cheeb tsam uas muaj dej nyuaj, theem siab ntawm calcium thiab magnesium carbon ntau kuj tseem tuaj yeem pab txhawb rau kev xeb. Cov tshuaj no tuaj yeem tso rau saum npoo ntawm kev haum, tsim cov kev cai rau cov kev txiav txim siab sib txawv, uas nrawm corrosion.
Galvanic corrosion
Kev sib cuam tshuam nrog cov hlau sib txawv
Galvanic corrosion tuaj yeem tshwm sim thaum tooj dag cov fittings tuaj rau lwm cov hlau nyob rau hauv lub xub ntiag ntawm electrolyte, xws li dej. Tooj dag, ua ib qho alloy ntawm tooj liab thiab zinc, muaj cov sib txawv electrochemical muaj peev xwm piv rau lwm cov hlau zoo li hlau los yog txhuas. Yog tias muaj tooj dag zog txuas nrog cov yeeb nkab steel, piv txwv li, thiab muaj noo noo tam sim no, lub galvanic cell yog tsim. Cov hlau nrog qis dua hluav taws xob (hauv qhov no, zinc hauv cov tooj dag) yuav ua raws li anode thiab corrode nyiam. Qhov no tuaj yeem ua rau cov neeg tsis txaus siab sai sai ntawm lub brass fitting, tshwj xeeb tshaj yog ntawm cov ntsiab lus sib txuas.
De - Zincification
Xaiv cov kev xaus ntawm qhov zinc
De - Zincification yog daim ntawv tshwj xeeb ntawm kev corrosion uas cuam tshuam tooj dag. Nyob rau hauv tooj dag, zinc yog ntau dua li tus tooj liab ntau dua tooj liab. Nyob rau hauv qee qhov kev mob, xws li kis rau cov acidic lossis siab - chloride ib puag ncig, zinc tuaj yeem xaiv tau los ntawm tooj dag. Cov nplooj no qab ib qho ntxig, tooj liab - nplua nuj txheej uas tau txo cov tshuab hluav taws xob muaj zog thiab corrosion tsis kam. DE - Zincification tuaj yeem tshwm sim hauv ob daim ntawv: txheej - hom (hnav khaub ncaws (sib xyaw) thiab hom (hauv zos). Txheej - ntaus de - Zincification tuaj yeem yooj yim ntawm lub phab ntsa ntawm lub cim tooj dag, thaj chaw muaj peev xwm ua rau cov chaw me, corroded uas thaum kawg ua rau muaj kev xau.
3. Qhov xwm txheej cuam tshuam rau txoj kev xeb tawm tsam ntawm tooj dag partings
Tooj dag muaj pes tsawg leeg
Cov nyhuv ntawm tooj liab thiab zinc piv
Cov muaj pes tsawg leeg ntawm Brass ua lub luag haujlwm tseem ceeb hauv nws txoj kev corrosion. Qhov sib piv ntawm tooj liab rau zinc hauv lub alloy tuaj yeem sib txawv, thiab sib piv sib txawv muaj ntau yam kev txhim kho corrosion - resistant cov khoom. Tooj dag nrog cov ntsiab lus tooj liab ntau dua feem ntau ua rau pom kev ua kom zoo corrosion zoo dua, tshwj xeeb yog DE - Zincification. Piv txwv li, alpha - tooj dag, uas muaj cov ntsiab lus tooj liab tooj liab (nyob ib ncig ntawm De - Brass, uas muaj cov ntsiab lus tooj liab qis. Tsis tas li ntawd, muaj lwm yam alloying ntsiab, xws li tinoy, xws li txhuas, lossis arsenic, tuaj yeem txhim kho cov corrosion tsis kam ntawm tooj dag. Tin - brass, piv txwv li, tau txhim kho tsis kam mus rau dej hiav txwv corrosion.
Ib puag ncig ib puag ncig
Kub, pH, thiab av noo
Cov xwm txheej ib puag ncig muaj qhov cuam tshuam muaj txiaj ntsig ntawm kev xeb tawm tsam ntawm tooj dag pumic. Kub tuaj yeem kho cov tshuaj tiv thaiv corrosion. Cov ntsuas kub siab dua ua kom cov tshuaj tiv thaiv kev ua kom zoo, suav nrog cov koom nrog hauv kev xeb. Piv txwv li, nyob rau hauv kub - dej kav dej, tus corrosion tus nqi ntawm brass fittings tej zaum yuav yog siab dua rau khaub thuas - dej tshuab. Lub ph zos dej kuj tseem ceeb heev. Tooj dag yog tiv taus corrosion rau corrosion nyob rau hauv nruab nrab pars (ncig 6. 5 - 8. 5). Huab acidic los yog alkaline tej yam kev mob tuaj yeem txhawb kev xeb corrosion. Vaum nyob rau hauv ib puag ncig huab cua tuaj yeem pab txhawb rau kev xeb, tshwj xeeb yog cov fittings raug rau cov cua. Cov av noo noo tuaj yeem tsim ib qho chaw noo uas ua kom yooj yim ntawm cov hluav taws xob hluav taws xob txuam nrog kev xeb.
Nto tas
Cawv ntawm Corrosion Initiation
Qhov saum npoo tiav ntawm Brass PeX fittings tuaj yeem cuam tshuam lawv corrosion tsis kam. Ib qhov chaw du ua tiav kev txo qis qhov ua kom muaj kev pib hauv corrosion. Cov nplaim thaiv cov ntxhib tuaj yeem muaj micro - crevices thiab pits uas muaj tshuaj corrosive tuaj yeem khaws tau. Cov chaw no tuaj yeem ua cov chaw rau kev tsim cov corrosion hlwb. Thaum lub sij hawm tsim kev tsim khoom, kev kho kom zoo, xws li polishing lossis passive lossis passive, tuaj yeem tsim cov khaub ncaws loj dua thiab du. Passivation cuam tshuam nrog cov saum npoo daj ua kom ruaj khov thiab tiv thaiv oxide txheej, uas tuaj yeem txhim kho txoj kev ua kom haum.
4. Kev soj ntsuam txoj hauv kev rau kev txheeb xyuas corrosion tsis kam
Immersion Ntsuas
Simulating tiag tiag - Cov Txheej Xwm Ntiaj Teb
Kev kuaj kab mob Immersion yog ib txoj kev sib piv rau kev ntsuas lub corrosion tsis kam ntawm tooj dag lub fittings. Hauv qhov kev ntsuas no, cov qauv ntawm cov fittings yog raus hauv cov kev daws teeb meem uas simulate lub ntiaj teb ib puag ncig lawv yuav ntsib. Piv txwv li, lawv tuaj yeem raug raus dej hauv dej uas tswj hwm ntawm cov chlorides, sulfates, lossis lwm yam khoom noj. Qhov kev xeem ntev tau ntev tuaj yeem los ntawm cov hnub mus rau lub hlis, nyob ntawm seb ntawm kev sim siab ib puag ncig. Tom qab lub sij hawm siv lub sij hawm, cov qauv tau kuaj xyuas rau cov cim ntawm kev xeb, xws li poob phaus, lossis hloov pauv hauv cov khoom siv tshuab. Hom qauv no muab txoj hauv kev los ntsuas seb cov fittings yuav ua hauv cov kav dej zawv.
Electrochemical Testing
Kev Ntsuas Cov Nqi Corosion
Electrochemical Testing tuaj yeem muab cov ntaub ntawv ntxaws ntxaws txog kev xeb tawm tsam ntawm tooj dag Partings. Cov tswv yim xws li Electrochemical impedance spectroscopy (EIS) thiab linear Polarization Kuj (LPR) yog siv ntau. EIS ntsuas qhov cuam tshuam ntawm cov hlau - electrolyte interface tshaj li ntau yam ntawm cov nquag. Cov ntaub ntawv no tuaj yeem siv kom nkag siab txog kev txhim kho corrosion thiab kev ncaj ncees ntawm passive zaj duab xis ntawm brass nto tooj liab. LPR, ntawm qhov tod tes, tuaj yeem ntsuas cov xeb ntawm cov khoom siv. Los ntawm kev thov me me - amplitude alternating tam sim no lossis voltage rau cov qauv tooj liab, cov xeb corrosion, tus nqi corrosion, tus nqi corrosion, tus nqi corrosion, tus nqi xeb tuaj yeem txiav txim siab raws li cov hluav taws xob ntsuas. Electrochemical Testing tso cai rau tiag tiag - lub sijhawm soj ntsuam ntawm cov txheej txheem corrosion thiab tuaj yeem muab cov kev pom zoo rau hauv ntev - lub sij hawm kev coj cwj pwm ntawm fittings.
5. Cov tswv yim los txhim kho txoj kev xeb tawm tsam ntawm tooj dag partings
Alloy Xaiv
Xaiv txoj cai tooj dag alloy
Kev xaiv tooj dag zog tsim nyog alloy yog thawj kauj ruam hauv kev txhim kho lub corrosion kev tawm tsam ntawm tooj dag pittings. Raws li tau hais ua ntej, alloys nrog ntau dua cov ntsiab lus tooj liab lossis ntxiv ntawm cov ntsiab lus alloying tuaj yeem muab cov khoom siv corrosion zoo dua. Rau cov ntawv thov hauv cov chaw siab - chloride dej, xws li cov ntug hiav txwv, ib tug tooj dag alloy nrog ntxiv tin lossis nickel tuaj yeem tsim nyog dua. Cov alloys no yog tsim los tawm tsam cov kev txhoj puab heev ntawm chlorides. Tsis tas li ntawd, kev siv cov txhuas - cov tooj dag dawb alloys tau ua ntau dua vim muaj kev txhawj xeeb ib puag ncig thiab kev noj qab haus huv. Txhuas - alloys pub dawb tuaj yeem tsim kom muaj cov qauv zoo sib xws lossis txawm tias muaj kev sib txuam zoo sib xws - Cov khoom tiv thaiv piv rau cov tshuaj txhuas kev coj ua - muaj tooj dag.
Cov tsho hlau deg
Ua ntawv thov tiv thaiv txheej
Ua ntawv thov cov txheej txheem deg yog ib txoj hauv kev zoo los txhim kho txoj kev xeb tawm tsam ntawm tooj dag lub fittings. Txheej ci xws li epoxy, polyurethane, lossis zinc - raws li cov txheej txheem lub cev muaj peev xwm muab cov teeb meem lub cev ntawm lub brass nto thiab thaj chaw muaj kev xeb. Epoxy txheej, piv txwv li, paub txog lawv cov tshuaj lom zoo heev thiab adhesion rau tooj dag. Lawv tuaj yeem tiv thaiv kev nkag mus ntawm cov tshuaj uas xeb, xws li Chlorides thiab cov pa oxygen, mus rau qhov saum npoo tooj daj. Zinc - Ua cov teeb meem tuaj yeem muab kev tiv thaiv kab mob fij. Nyob rau hauv qhov kev tshwm sim ntawm kev ua txhaum hauv txheej, zinc yuav croach yuav corrode nyiam, tiv thaiv cov kab tooj hauv qab.
Thiab kho kom zoo
Tsawg heev corrosion pheej hmoo
Kev txhim kho kom zoo thiab kho yog qhov tseem ceeb rau kev ua kom loj hlob ntawm corrosion tsis kam ntawm tooj dag pittings. Thaum lub sij hawm ua kev teeb tsa, kev saib xyuas yuav tsum tau coj mus rau kev tiv thaiv nrog kev sib tiv thaiv me me los tiv thaiv galvanic corrosion. Yog tias cov hlau sib txawv yuav tsum tau txuas, siv cov khoom noj diishectric lossis insulating cov ntaub ntawv tuaj yeem ua haujlwm. Kev tu cov kav dej tsis tu ncua, suav nrog yaug cov kav dej kom tshem tawm cov neeg ua haujlwm, kuj tseem tuaj yeem pab txo qhov kev pheej hmoo ntawm corrosion. Saib xyuas cov dej lim dej thiab kho nws yog tias tsim nyog, xws li los ntawm kev muag khoom tawv tawv, tuaj yeem tiv thaiv cov nrig ntawm tooj dag ntawm corrosion.
Hauv kev xaus, lub corrosion tsis kam ntawm tooj dag cov fittings yog ib txoj kev nyuaj ntawm lawv qhov kev ua tau zoo ntawm lawv cov kev ua tau zoo hauv cov kav dej. Nkag siab txog kev txhim kho kev txhim kho, qhov tseeb uas cuam tshuam corrosion tsis kam, cov tswv yim kev twv txiaj, thiab cov tswv yim los txhim kho thiab kev nyab xeeb ntawm cov fittings no. Los ntawm kev siv cov kev ntsuas tsim nyog, cov teeb meem corrosion - cov teeb meem cuam tshuam tau tsawg, thiab lub neej ntawm lub ntsej muag daj pittings tuaj yeem txuas ntxiv.
Ifan Fleet fittings: engineered rau thoob ntiaj teb ua raws nraim thiab ntseeg tau
Ifan PeX Cov Yeeb Nkab Fittings yog Meticulously Crafted kom tau raws thiab ntau tshaj cov qauv thoob ntiaj teb, kom pom tseeb zoo thiab versatility zoo nkauj thiab versatility zoo li cas. Nrog rau cov astm F1974 series, cov fitting no kuj tau lees paub nyob rau ast Cov Qauv. Qhov no ntau cov ntawv pov thawj qhia txog lawv txoj kev yoog tau, siv zog, ua rau cov kab ke sib txawv rau kev ntseeg siab rau ob qho chaw nyob thiab cov piping.