Dab tsi yog qhov ua haujlwm ntawm ppr dej yeeb nkab

1. Raws li niaj hnub zoo tagnrho cov dej kub cov yeeb nkab, ppr dej yeeb nkab muaj cov cua sov zoo. Nws tsis muaj teeb meem uas qhov kev siv mus sij hawm ntev tuaj yeem ncav cuag 75 degree, thiab qhov kub ntawm kev siv tam sim no tuaj yeem ncav cuag 95 degree. Cov nyhuv rwb thaiv tsev ntawm ppr dej yeeb nkab kuj tsis phem.
2. Sab hauv ntawm cov kav dej ppr yog du, thiab tsis muaj lwm yam khoom tuaj yeem kov. Qhov kom zoo dua no ua rau cov yeeb nkab ua haujlwm me me thiab kev siv hluav taws xob qis dua. Lub ppr dej yeeb nkab fittings ntawm tib hom thiab cov khoom yog txuas nrog rau ib tug zoo meej tag nrho, uas tsis txhob muaj teeb meem ntawm cov yeeb nkab dej to.
3. Cov kav dej ppr muaj corrosion kuj, uas daws cov teeb meem ntawm cov kav hlau ib txwm muaj xeb. Cov khoom tsis-polar ntawm cov yeeb nkab dej ppr zam kev cuam tshuam nrog lwm cov tshuaj hauv dej. Cov kav dej ppr yuav tsis ntsuas thaum siv.
4. Cov yeeb nkab dej ppr yog lub teeb hauv qhov hnyav, vim qhov zoo dua, qhov nyuaj ntawm kev tsim kho tau txo qis heev. Raws li cov khoom siv ntsuab thiab ib puag ncig tus phooj ywg, nws yuav tsis ua phem rau sab nraud ib puag ncig thaum tsim khoom lossis kev tsim kho.