1. Saib xyuas seb lub lumen puas yog li niaj zaus thiab seb cov phab ntsa tuab puas zoo ib yam.Cov kab noj hniav sab hauv thiab sab nrauv ntawm PVC steel hlau yeeb nkab ntawm qhov zoo yog cov qauv ncig?Lub phab ntsa yeeb nkab annular yog sib npaug.Siv cov PVC steel yeeb nkab nrog puab txoj kab uas hla ntawm 89 hli thiab phab ntsa thickness ntawm 7 hli ua piv txwv?Qhov tuab ntawm cov yeeb nkab phab ntsa uas tsis zoo tuaj yeem ncav cuag 7.5mm?Qhov thinnest qhov tsuas yog 5.5mm?Ua rau PVC steel yeeb nkab tawg los yog deform?Nws cuam tshuam rau kev siv ib txwm.
2. Saib seb puas muaj cov npuas cua lossis lwm yam khoom pom ntawm phab ntsa ntawm cov yeeb nkab PVC?Puas yog nws tsis muaj xim thiab pob tshab.Cov phab ntsa ntawm cov yeeb nkab zoo PVC yog siv lead ua ntshiab?Tsis muaj impurities.Cov xim daj ntawm cov yeeb nkab PVC tsis zoo tuaj yeem tshwm sim los ntawm kev puas tsuaj, kev laus, lossis kev cia ntev ntev vim kev tuav tsis raug thaum lub sijhawm tsim khoom.
3. Tsuas yog me ntsis tsis hnov tsw yas, cov yeeb nkab zoo PVC steel tsis muaj ntxhiab tsw ntawm lwm yam khoom siv petrochemical.Thiab cov yeeb nkab steel tsis zoo muaj qhov tsis kaj siab thiab pungent diesel tsw?Tshwj xeeb tshaj yog nyob rau lub caij ntuj sov?Tib neeg tsis tuaj yeem nyob ze.
4. Cov phab ntsa sab hauv thiab sab nrauv ntawm cov kav dej zoo PVC steel yog du thiab zoo, thaum cov kav dej tsis zoo yog qhov ntxhib.
5. Thaum ntsuas phab ntsa thickness?Ob qhov kawg ntawm PVC steel hlau yeeb nkab yuav tsum raug txiav tawm?Cov yeeb nkab nruab nrab yuav tsum raug xaiv raws li cov qauv kuaj?Txhawm rau tiv thaiv qee tus neeg tsim khoom tsis zoo los ntawm kev ua ib qho fuss ntawm ob qhov kawg ntawm cov yeeb nkab?
6. Txiav ob peb centimeters ntawm steel hlau ntawm ob qho kawg ntawm PVC steel hlau yeeb nkab?Fold lub steel hlau dua?Xyuas lub zog thiab toughness ntawm steel hlau.Cov hlau tsis zoo hlau yuav tawg tom qab ib lossis ob zaug?Cov hlau xaim ntawm cov yeeb nkab zoo PVC steel yuav tsum muaj cov cuab yeej tshwj xeeb los txiav tawm.Qhov zoo ntawm cov hlau hlau txiav txim siab qhov zoo ntawm tag nrho cov yeeb nkab?PVC steel hlau yeeb nkab nrog cov teeb meem zoo tshwm sim los ntawm cov hlau xaim yog qhov ua rau tsis tuaj yeem deformation.
Post lub sij hawm: Aug-04-2022