Downsides PEX PIPING: Cov Txwv Tsis Tseem Ceeb Los Xav Txog
Thaum PEX (Cross-txuas Polyethylene) yog nrov rau cov kav dej, nws muaj qee cov teeb meem piv rau tooj liab, CPVC, lossis lwm yam khoom siv. Ntawm no yog qhov tseem ceeb:
1. UV Sensitivity
Teeb meem: PeX degrades thaum raug rau hnub ci (UV rays).
Cov nyhuv: ua tau muaj nkig thiab cov kab nrib pleb tom qab 6-12 lub hlis ntawm kev ncaj qha.
Kho: Siv cov ntawv thov sab hauv tsev \/ av hauv av, lossis ntaub thaiv npog nrog UV-resistant pleev xim.
2. Tshuaj Muaj Zog
Qhov teeb meem: tuaj yeem puas tsuaj los ntawm:
Chlorine (hauv cov dej hauv nroog) - tsis muaj zog Pex-B \/ C dhau sijhawm.
Cov roj av-raws li cov khoom (roj, cov kuab tshuaj).
Cov nyhuv: txo lub neej (los ntawm 50+}} xyoo nyob rau hauv kev mob hnyav).
Txhim kho: Siv Pex-A (ntau dua chlorine-resistant) lossis nruab ib lub lim.
3. Qws & Kab Tsuag
Qhov Teeb Meem: nas \/ nas yuav zom los ntawm PEX (tsis zoo li tooj liab lossis hlau).
Cov nyhuv: txeej nyob rau hauv phab ntsa lossis crawl chaw.
Txhim kho: qhwv kav dej hauv cov hlau mesh lossis siv cov tshuaj tsuag-tshem tawm.
4. Kev nthuav dav \/ Contraction
Teeb meem: nthuav 3x ntau dua tooj liab thaum ua kom sov.
Cov nyhuv: tuaj yeem ua rau "dej rauj" nrov lossis ntxhov siab ntawm fittings.
Txhim kho: Ntxiv cov peev txheej nthuav dav lossis siv PEX-PEX (ruaj khov).
5. Haum cov nyom nyuaj
Qhov Teeb Meem: Xav kom cov cuab yeej \/ cov txuas (Crimp rings, lub tes tsho nthuav dav).
Cov nyhuv: Ntau dua upfront tus nqi vs. kua nplaum-ntawm PVC \/ CPVC.
Txhim Kho: Cov cuab yeej xauj tsev lossis ntiav ib qho rau cov kev teeb tsa.
6. Kev txhawj xeeb ib puag ncig
Qhov teeb meem: Tsis yog siv dua li tooj liab (qee tus PEX muaj BHT antioxidants).
Cov nyhuv: cov chaw khib nyiab yog pov tseg tsis raug.
Txhim kho: Xaiv Pex-A (tsawg dua cov khoom ntxiv) lossis rov siv txiav tawm rau kev kho me me.
7. Oveyability rau oxygen
Qhov Teeb Meem: Txheem Pex tso cai oxygen diffusion hauv cov cua sov hauv tshuab.
Cov nyhuv: corrodes boilers \/ radiators nyob rau lub sijhawm.
Txhim kho: Siv cov pa paxygen pumx (cim "evoh" lossis "PEX-PEX").
8. Qhov kev txwv kub
Max temp:
PEX-A: 200 degree f (93 degree)
Pex-B \/ C: 180 Degree F (82 Qib)
Cov nyhuv: Tsis haum rau cov pa hluav taws xob siab lossis hnub ci thermal.
Kho: Siv CPVC lossis tooj liab rau cov dej kub heev.
Txuas IFAN Tsum
Ifan yog ib qho ntawm cov piping piping zoo tshaj plaws hauv Suav teb, cov khoom tseem ceeb suav nrog PPR, PIP, PP kav dej thiab fittings, tooj dag fittings \/ cov kais dej thiab lwm yam.
Yog tias koj txaus siab rau ifan plumbng khoom, thov hu rau peb. Yog tias muaj koj ntau cov kav dej kom tau raws li koj cov kev xav tau tshwj xeeb. Nyem rau hauv qab no kom paub ntau ntxiv txog yog tias cov khoom pheej yig thiab cov kav dej tsis muaj txiaj ntsig thiab cov roj hmab cov khoom lag luam uas cuam tshuam nrog cov khoom lag luam.
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