Tsis siv neeg valve
Tso lus
Kev nyab xeeb hluav taws yog ib qho tseem ceeb ntawm txhua lub tsev, thiab xyuas kom meej tias nws muaj kev tiv thaiv los ntawm cov khoom siv txhim khu kev qha thiab kev ua haujlwm yog qhov tseem ceeb. Ib qho tseem ceeb ntawm txhua qhov kev tiv thaiv hluav taws kub yog cov khoom tiv thaiv rov qab, uas yog tsim los tiv thaiv kev sib kis ntawm cov khoom siv dej huv los ntawm cov khoom tiv thaiv hluav taws. Lub tshuab tua hluav taws cov dej yuav tsum tsis txhob muaj cov kab mob sib kis, kom cov neeg tua hluav taws yuav muaj cov dej tsim nyog los tua hluav taws.
Peb cov hluav taws tua hluav taws rov qab tiv thaiv yog tsim los tiv thaiv cov dej ntws rov qab mus rau hauv lub nroog cov kab dej huv. Qhov tseem ceeb, lawv ua haujlwm raws li lub valve tsis siv neeg kaw thaum dej tsis raug rub los ntawm hluav taws kub hydrant, standpipe, lossis lub tshuab nqus dej. Qhov no ua kom ntseeg tau tias cov dej ntau dhau los ntawm kev tiv thaiv hluav taws tsis raug tso cai nkag mus rau hauv cov dej tseem ceeb, uas tuaj yeem ua rau muaj kev phom sij rau pej xeem kev noj qab haus huv thiab kev nyab xeeb.
Peb cov khoom tiv thaiv backflow muaj txiaj ntsig zoo hauv kev tiv thaiv kev thim rov qab ntawm cov dej thiab tau tsim los siv cov cuab yeej siv niaj hnub thiab cov khoom siv siab heev kom ntseeg tau siab tshaj plaws. Peb cov khoom tiv thaiv rov qab tau raug sim los tiv thaiv cov dej siab thiab qhov kub thiab txias, lav tias lawv tuaj yeem tiv taus cov hluav taws kub sib ntaus sib tua. Lawv kuj tau tsim los ua kom yooj yim ntsia thiab khaws cia, ua kom yooj yim siv thiab siv tau ntev.
Peb cov hluav taws tua hluav taws rov qab tiv thaiv yog qhov tseem ceeb rau txhua qhov kev tiv thaiv hluav taws thiab yog ib feem tseem ceeb ntawm kev tiv thaiv hluav taws. Peb ntseeg tias peb cov khoom tsis yog ob qho tib si, thiab peb txaus siab rau peb tus kheej ntawm kev muab cov khoom siv zoo, txhim khu kev qha uas tsim los kom kav ntev. Txawm hais tias koj yog tus tswv tsev, kws ua haujlwm, lossis tus neeg cog lus, peb cov neeg tua hluav taws tua hluav taws tuaj yeem ua kom muaj kev thaj yeeb nyab xeeb thiab tiv thaiv koj thiab koj lub chaw los ntawm kev phom sij ntawm dej paug.
