Dub vs. Galvanized Yeeb Sib Tw
Dub steel yeeb fittings thiab galvanized steel yeeb fittings yog ob qho ntau yam ntawm cov yeeb nkab thov kom thauj kua thiab roj. Ob qho dub yeeb nkab thiab cov yeeb nkab galvanized yog ua los ntawm cov hlau, txawm li cas los xij, cov yeeb nkab galvanized muaj ib txheej zinc thaum lub yeeb dub tsis. Raws li cov yeeb nkab galvanized yog ntau ruaj. Txog kev thauj mus los, dub steel yeeb nkab yuav yaig yooj yim dua li cov yeeb nkab galvanized thiab yog li ntawd nws zoo dua rau kev thauj roj thiab galvanized yeeb nkab yog qhov haum rau nqa dej dua li siv roj.
Galvanized yeeb nkab fittings yog them nrog txheej txheej ntawm zinc uas ua rau cov fittings muaj peev xwm ntau dua ntawm kev tiv thaiv kev xeb thiab pab tiv thaiv kom tsis txhob tsub zuj zuj ntawm cov ntxhia pob zeb uas yuav thaiv cov yeeb nkab. Galvanized yeeb nkab feem ntau yog siv rau kev nqa dej xa dej hauv tsev thiab vaj tsev lag luam; nws kuj tseem tuaj yeem ua haujlwm scaffolding vim tias nws cov xeb tiv thaiv.
Galvanized yeeb fittings yog siv rau kev suav ntau sab nraum zoov thiab kev siv vim qhov khoom siv lub peev xwm los tiv thaiv xeb thiab ntsev. Galvanized yeeb nkab thiab fittings tej zaum yuav siv nyob rau hauv feem ntau cov ntawv thov muaj kev zam ntawm cov kab hauv av. Thaum lawv ua haujlwm zoo tshaj plaws nrog cov kav dej txias, lawv yuav raug siv nrog dej kub thiab. Lub ntsiab kom zoo ntawm kev siv galvanized fittings yog lawv cov xeb zoo dua thaum piv rau cov xim dub thiab tooj liab. Galvanized yeeb fittings yuav tsum tsis txhob siv nrog cov ntawv thov roj.
Cov yeeb nkab dub rau cov khoom siv (dub malleable iron fittings) yog siv los ua kev sib txuas rau cov yeeb nkab hlau dub. Cov yeeb nkab hlau dub yog siv los thauj cov nkev thiab roj nyob hauv cov ntawv thov neeg nyob.
Cov yeeb nkab dub dub yog tsim ua qhov sib khi uas ua rau nws yog hom zoo dua rau kev thauj mus los ntawm cov pa roj thiab dej tua hluav taws vim tias nws tuaj yeem tiv thaiv hluav taws zoo dua li cov yeeb nkab galvanized. Cov yeeb nkab hlau dub kuj tseem siv tau rau hauv cov tshuab txaws hluav taws kub vim nws qhov ua tau zoo ntawm tshav kub thiab rau cov kav xa dej vim nws ua rau nws tiv thaiv cov dej puas. Txij li nws muaj xim tsaus nti uas yog tsim los ntawm hlau oxide thaum lub sijhawm kev tsim khoom, nws hu ua dub steel yeeb nkab.
Lub ntsiab sib txawv ntawm cov yeeb nkab steel thiab galvanized yeeb nkab dag rau qhov chaw. Cov yeeb nkab dub dub tsis tsim thiab ua yam tsis muaj chav taws, thiab yog li ntawd, nws tau dav siv rau kev thauj roj zoo li hluav taws roj zeb thiab roj cua rau cov tsev nyob thiab cov tsev lag luam.
Galvanized yeeb nkab muaj zinc rau saum npoo av yog li cov ntxhia yuav flack tawm raws li lub sijhawm mus los ntawm thiab thaiv cov yeeb nkab. Qhov no yuav ua rau kom tawg. Hauv kev pom ntawm qhov no, thauj roj los ntawm kav dej galvanized yog qhov txaus ntshai yog li nws feem ntau siv hauv kev nqa dej.
Cov yeeb nkab dub dub, ntawm qhov tod tes, tsis haum rau kev thauj khoom dej. Cov hlau dub kav yuav xeb hauv dej thiab ntxhia ntawm cov yeeb nkab yuav yaj mus rau hauv dej thiab txhaws ntawm txoj kab ib yam nkaus.
