Dab tsi yog PB sawv rau hauv cov kav dej?

PB sawv cev rau dab tsi hauv cov kav dej?

Cov kav dej yog qhov tseem ceeb ntawm peb lub neej niaj hnub, ua kom muaj kev ua haujlwm zoo ntawm cov dej thiab cov kav dej hauv peb lub tsev, chaw ua haujlwm, thiab lwm yam qauv. Nws suav nrog ntau yam khoom, cov khoom siv, thiab cov ntsiab lus tseem ceeb uas yuav tsum nkag siab txog kev tswj hwm thiab daws teeb meem cov kav dej kom zoo. Ib lo lus uas nquag ntsib hauv cov kav dej yog PB. Hauv tsab xov xwm no, peb yuav nkag siab tob rau hauv lub ntiaj teb ntawm cov kav dej los tshawb txog lub ntsiab lus thiab qhov tseem ceeb ntawm PB.

PB, luv rau Polybutylene

PB stands rau Polybutylene, ib hom yas polymer feem ntau siv hauv cov kav dej thiab fittings. Polybutylene yog cov khoom siv thermoplastic paub txog nws qhov yooj yim heev, muaj kev cuam tshuam lub zog, tshuaj lom neeg, thiab yooj yim ntawm kev teeb tsa. Vim yog cov khoom no, PB tau siv dav rau cov kav dej xa dej hauv cov tsev nyob thiab cov tsev lag luam txij li xyoo 1970 mus txog rau nruab nrab -1990s.

Kev nce thiab poob ntawm kev siv PB hauv cov kav dej

Polybutylene tau dhau los ua neeg nyiam hauv kev lag luam kav dej vim nws cov nqi-zoo thiab yooj yim ntawm kev teeb tsa. Nws muaj ntau yam zoo dua li cov khoom siv kav dej xws li tooj liab thiab galvanized steel, nrog rau cov khoom siv qis dua thiab cov nqi zog, kev tiv thaiv corrosion, thiab txo cov suab nrov. Tsis tas li ntawd, cov kav dej PB yuav tsum muaj cov pob qij txha thiab cov khoom siv tsawg dua, txo qis qhov muaj peev xwm ntawm cov dej ntws.

Muab cov txiaj ntsig zoo no, PB tau txais kev lees paub dav dav, thiab nws tau kwv yees tias ntau tshaj kaum lab lub tsev hauv Tebchaws Meskas ib leeg muaj PB cov kav dej nruab. Txawm li cas los xij, qhov muaj koob meej ntawm PB tau luv luv raws li cov lus ceeb toom ntawm kev xau, kev tawg, thiab kev puas tsuaj rau cov dej raug nqi pib tshwm sim.

PB controversy

Thaum xyoo 1980s, ib qho teeb meem tseem ceeb tshwm sim txog PB kav dej thiab fittings. Kev ua tsis tiav ntxov ntxov thiab kev puas tsuaj loj tau pom, ua rau muaj ntau qhov kev foob rau cov tuam txhab thiab cov neeg ua haujlwm kav dej. Kev tshawb nrhiav tau qhia tias ntau yam ua rau muaj qhov ua tsis tiav, suav nrog kev teeb tsa tsis raug, cov khoom siv tsis raug, thiab kev sib cuam tshuam ntawm cov kav dej nrog cov tshuaj chlorine thiab lwm yam tshuaj uas feem ntau pom hauv cov kav dej.

Ib qho kev txhawj xeeb tseem ceeb yog kev puas tsuaj ntawm cov kav dej PB vim muaj cov tshuaj chlorine. Sij hawm dhau mus, cov tshuaj tiv thaiv ntawm cov tshuaj chlorine thiab polybutylene ua rau embrittlement thiab tsis muaj zog ntawm cov kav dej, thaum kawg ua rau tawg thiab xau. Qhov teeb meem no tau tsim cov lus nug loj txog kev ntseeg siab thiab kev ua haujlwm ntev ntawm PB kav dej.

Qhov poob ntawm PB thiab nws hloov

Vim muaj kev tsis sib haum xeeb nyob ib puag ncig PB cov kav dej, lawv cov kev siv tau poob sai. Cov tswv tsev, cov kws tshaj lij kav dej, thiab cov tuam txhab tuav pov hwm tau ceev faj txog qhov muaj feem cuam tshuam nrog PB. Cov neeg tsim khoom tau ntsib ntau qhov kev foob, thiab ntau tus tau txiav lawv cov khoom siv PB kav thiab fittings.

Yog li ntawd, lwm cov ntaub ntawv xws li tooj liab, cross-linked polyethylene (PEX), thiab chlorinated polyvinyl chloride (CPVC) tau dhau los ua cov kev xaiv rau kev siv cov kav dej. Cov ntaub ntawv no muaj kev txhim kho durability, tsis kam rau tshuaj thiab kub hloov pauv, thiab kev ua tau zoo tag nrho.

Kev pheej hmoo thiab kev txiav txim siab nrog PB cov kav dej uas twb muaj lawm

Yog tias koj muaj lossis tab tom txiav txim siab yuav ib qho khoom tsim thaum lub sijhawm PB tau siv dav, nws yog ib qho tseem ceeb kom paub txog cov kev pheej hmoo thiab kev txiav txim siab cuam tshuam nrog PB cov kav dej uas twb muaj lawm. Txawm hais tias tsis yog txhua qhov kev teeb tsa PB tau ntsib teeb meem, nws tseem ceeb heev uas yuav tsum tau ceev faj thiab siv cov kev ntsuas tsim nyog los txo cov kev pheej hmoo.

Ib qho kev xaiv yog kom muaj ib tus kws tshaj lij cov kav dej ua haujlwm soj ntsuam zoo ntawm cov kav dej. Lawv tuaj yeem ntsuas qhov xwm txheej ntawm cov kav dej, fittings, thiab kev sib txuas. Yog tias pom tias muaj cov tsos mob ntawm degradation los yog tsis tuaj yeem tshwm sim, nws yuav tsum tau txiav txim siab hloov tag nrho cov kav dej kom tsis txhob raug nqi dej ntau thiab cuam tshuam.

Insurance cuam tshuam thiab nthuav tawm

Cov tswv tsev cov cai tuav pov hwm yuav sib txawv hauv lawv qhov kev pab cuam ntawm PB cuam tshuam txog kev puas tsuaj. Qee txoj cai yuav muab kev pab them nqi rau cov dej puas tsuaj uas tshwm sim los ntawm PB yeeb nkab tsis ua haujlwm, thaum lwm tus tuaj yeem txwv kev txwv lossis kev txwv. Nws yog ib qho tseem ceeb uas yuav tau saib xyuas koj txoj cai pov hwm thiab sib tham txog tej kev txhawj xeeb lossis tej zaum yuav thov nrog koj tus kws kho mob.

Tsis tas li ntawd, thaum muag lossis yuav ib lub cuab yeej, nws yog ib qho tseem ceeb uas yuav tsum tau nthuav tawm lub xub ntiag ntawm PB kav dej rau lwm tus. Tag nrho cov pob tshab txog cov kav dej tuaj yeem pab tswj kev ntseeg siab thiab tiv thaiv kev tsis sib haum xeeb yav tom ntej.

Xaus

Polybutylene (PB) ib zaug tau cog lus zoo hauv kev lag luam kav dej tab sis thaum kawg tau ntsib cov teeb meem tseem ceeb thiab kev tsis sib haum xeeb. Thaum PB cov kav dej thiab fittings tau siv dav rau cov dej xa dej hauv yav dhau los, lawv qhov kev ntseeg siab thiab kev ua haujlwm ntev tau raug nug vim qhov ua tsis tiav ntxov thiab xau. Raws li qhov tshwm sim, PB tau hloov pauv ntau yam khoom siv xws li tooj liab, PEX, thiab CPVC.

Yog tias koj muaj vaj tse nrog PB kav dej lossis tab tom xav yuav ib qho, nws yog ib qho tseem ceeb kom nkag siab txog cov kev pheej hmoo thiab kev saib xyuas uas cuam tshuam nrog cov kab ke no. Kev tshuaj xyuas tsis tu ncua thiab kev ntsuas kev tiv thaiv tuaj yeem pab txo cov kev pheej hmoo thiab ua kom ntseeg tau tias kev ua haujlwm zoo ntawm koj cov kav dej.