PEX cov kav dej yog qhov kev xaiv nrov rau cov kav dej thiab cua sov vim lawv qhov yooj yim thiab ua haujlwm ntev. Muaj ntau hom PEX kav, suav nrog PEX-A, PEX-B, thiab PEX-C, uas txawv ntawm lawv cov qauv molecular thiab cov yam ntxwv ua haujlwm. PEX-A cov kav dej tau paub txog lawv qhov yooj yim, thaum PEX-B kav dej khov thiab tiv taus ntau dua. PEX-C cov kav dej yog hom siv ntau tshaj plaws, paub txog lawv txoj kev pheej yig thiab yooj yim ntawm kev teeb tsa.

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Thaum txuas fittings rauMulti-Layer PEX Txhuas Yas Yeeb Nkab, nws yog ib qho tseem ceeb uas yuav tsum tau siv cov khoom tsim nyog, xws li crimp fittings lossis clamp fittings. Crimp fittings xav tau lub cuab yeej crimping kom ruaj ntseg rau cov yeeb nkab, thaum clamp fittings tuaj yeem nruj nrog lub cuab yeej clamp. Nws yog ib qho tseem ceeb los xyuas kom meej tias cov fittings yog qhov loj thiab hom rau cov yeeb nkab PEX siv, vim tias kev siv cov fittings tsis sib xws tuaj yeem ua rau cov dej xau lossis lwm yam teeb meem.

Thaum txhim kho cov kav dej hauv pem teb, muaj ntau yam kev ceev faj uas yuav tsum tau ua kom ntseeg tau tias lub installation tiav. Nws yog ib qho tseem ceeb uas yuav tau xaiv cov yeeb nkab PEX kom raug rau cov cua kub tshwj xeeb uas tau teeb tsa, vim tias cov tshuab sib txawv yuav xav tau ntau hom kav dej. Cov kav dej yuav tsum tau nruab nrog qhov sib txawv thiab qhov tob, vim qhov sib txawv tsis zoo lossis qhov tob tuaj yeem ua rau cua sov tsis sib xws. Tsis tas li ntawd, nws yog ib qho tseem ceeb uas yuav tsum ua raws li cov chaw tsim khoom cov lus qhia rau kev teeb tsa thiab siv cov cuab yeej tsim nyog thiab cov khoom siv los xyuas kom muaj kev ruaj ntseg thiab tsis muaj paug. Ua raws li cov kev ceev faj no tuaj yeem ua kom muaj kev vam meej thiab ua tau zoopem teb cua sov system.

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