Raws li ib qho tseem ceeb ntawm cov kav dej hauv kev tsim kho niaj hnub no, cov kav dej PVC thiab fittings tau siv dav vim lawv cov kev tiv thaiv corrosion zoo heev, lub teeb yuag, thiab lub zog siab.
Txhawm rau ua kom lub sijhawm ntev - lub sijhawm ua haujlwm ruaj khov ntawm cov kav dej PVC thiab fittings - thiab kom ntev lawv lub neej kev pab cuam - cov txheej txheem tu thiab tu kom zoo yog qhov tseem ceeb tshaj plaws.
Thaum ua tiav ntawm kev teeb tsa, PVC kav thiab fittings yuav tsum xub mus kuaj lub siab kom paub tseeb tias lawv muaj peev xwm tiv taus kev ua haujlwm siab yam tsis muaj dej.
Thaum kev sim ua tiav, kev ntsuas tsim nyog yuav tsum tau ua los tiv thaiv cov kav dej zais; qhov no suav nrog kev npog thiab thaiv cov kav dej kom tiv thaiv kev puas tsuaj rau lub cev.
Tsis tas li ntawd, muab cov tshuaj muaj pes tsawg leeg ntawm PVC kav thiab fittings, yuav tsum tau ceev faj ceev faj kom tiv thaiv cov tshuaj degradation. Qhov no yog qhov tseem ceeb tshwj xeeb tshaj yog nyob rau sab nraum zoov ib puag ncig lossis thaj chaw raug tshav ntuj ncaj qha, qhov twg cov kav dej yuav tsum tau muab qhwv rau hauv qhov tsaus ntuj - xim txheej tiv thaiv kom tiv thaiv kev laus los ntawm hnub ci hluav taws xob.
Thaum lub sijhawm ua haujlwm txhua hnub, kev tshuaj xyuas tsis tu ncua ntawm cov kav dej PVC yog qhov tseem ceeb.
Kev tshuaj xyuas yuav tsum tsom rau kev txheeb xyuas cov cim ntawm kev tawg, deformation, lossis kev laus. Kev saib xyuas tshwj xeeb yuav tsum tau them thaum lub caij ntuj no los xyuas cov teeb meem xws li khov- ua rau tawg lossis txhaws. Yog tias muaj qhov tsis txaus ntseeg raug kuaj pom, kev kho tam sim -txawm yog los ntawm kev kho lossis hloov pauv- yuav tsum tau coj los tiv thaiv qhov teeb meem los ntawm kev nce ntxiv.
Kev tu thiab tu yog lwm qhov tseem ceeb ntawm kev saib xyuas cov kav dej PVC. Kev tshem tawm tsis tu ncua ntawm cov khib nyiab thiab cov av hauv cov kav dej yog tsim nyog los tiv thaiv kev thaiv thiab corrosion. Kev ntxuav tuaj yeem ua tau los ntawm kev siv txhuam txhuam thiab cov dej huv, thaum tib lub sijhawm kuaj xyuas cov yeeb nkab txuas rau txhua qhov pom ntawm cov pa tawm.