Yuav ua li cas ua kua nplaum tiv thaiv cov kav dej yuav raug rhuav tshem? Nws puas rov qab siv dua?
Thawj txoj kev yog qhov ncaj qha sawing. Txoj kev no yuav ua rau ib qho ntawm cov yeeb nkab fittings. Tom qab tau pom ntawm txoj kev qhib peb lub voj voog thiab khawb tawm cov hlua khi hauv txoj kev qhib peb lub voj voog, txoj hlua peb-txoj kev tsis sib txawv ntawm qhov tshiab ua ntej. Tau kawg, nws tuaj yeem rov qab siv dua, tabsis nws tsis yooj yim yog hais tias lwm tus kav dej raug txuas ntxiv mus.
Qhov thib ob yog siv lub cev nqaij daim tawv ntawm thermal expansion thiab contraction. Txhua tus paub tias kua nplaum yuav ua rau tsis khov, thaum ntawd nws muaj peev xwm yuav kub kub nrog ob peb feeb ntawm ob lub kav dej, thiab rub tawm ob lub pob qij thaum lawv kub. Hom no siv ntau dua dej kub, tab sis nws yuav tsis ua kom ob lub yeeb nkab fittings, los sis nws yuav cuam tshuam rau tom qab siv dua tshiab.
Qhov thib peb yog qhov zoo ib yam li ob, tab sis tsuas yog siv lub cav ziab plaub xwb. Tab sis cov cua kub ntawm lub tshuab ziab khaub ncaws feem ntau yog hauv zos, yog li cov nyhuv yuav tsis zoo li cov dej kub.
Plaub, qhov no yog ib txoj kev tshaj lij, uas yog, siv cov kua nplaum rau PVC hauv sab hauv cov nplaim hluav taws, tua hluav taws txog li 10 feeb, thiab sai sai sai tawm sab nraud sab nraud nrog cov lus sib dhos, kom ob seem yuav raug sib cais, thiab cov yeeb nkab fittings tseem tuaj yeem rov qab siv dua.
Thib tsib, peb yuav tsum muaj kev kub ntxhov los daws qhov teebmeem. Ua ntej, tau txais cov cuab yeej npaj txhij: ib lub rauj, ib lub taub hau nrog lub taub hau me me thiab tus nplaig ntse. Cais ob txoj hlua fittings kev ua haujlwm, koj tuaj yeem xav txog daim duab. Nws tsis yog tsuas yog tsausmuag, tab sis kuj yooj yim los txov yeeb nkab fittings thaum lub sij hawm ua haujlwm, uas tsis tuaj yeem ua raws li cov kev cai ntawm kev siv theem nrab.
