Kev tiv thaiv ib puag ncig yog qhov tseem ceeb hauv kev siv cable kom ntseeg tau tias kev ua haujlwm ntev, kev nyab xeeb, thiab kev ntseeg tau. Cov kab hluav taws xob feem ntau raug mob hnyav xws li dej / dej noo, tshuaj lom neeg, hluav taws xob UV, qhov kub thiab txias, thiab kev ntxhov siab. Xaiv cov khoom tsim nyog nrog rau kev tiv thaiv ib puag ncig yog qhov tseem ceeb rau kev tswj hwm kev ua haujlwm thiab txuas ntxiv lub neej kev pab cuam ntawm cable.
Tshooj lus no tshawb txog ntau hom kev tiv thaiv ib puag ncig uas xav tau hauv ntau daim ntawv thov cable.
Lub tsho sab nrauv los yog sheath ua raws li thawj kab ntawm kev tiv thaiv ib puag ncig. Nws yog feem ntau raug rau cov tshuaj, dej, kub variations, thiab UV hluav taws xob. Cov ntaub ntawv tseem ceeb siv rau cov tsho sab nrauv yogPVC (Polyvinyl Chloride), PE (Polyethylene), thiabLSZH (Low Smoke Zero Halogen), txhua qhov muab ntau theem ntawm kev tiv thaiv nyob ntawm daim ntawv thov yuav tsum tau ua.
1. Tshuaj, Roj, thiab Hydrocarbon Resistance
Thaum lub sij hawm ob qho tib si installation thiab kev ua hauj lwm lub neej ntawm ib tug cable, raug rau cov tshuaj, roj, los yog hydrocarbons yuav tshwm sim, los ntawm kev huam yuaj los yog tas mus li kev sib cuag nyob rau hauv industrial cheeb tsam. Xws li kev raug mob tuaj yeem ua rau lub plhaub sab nraud, ua rau tawg, o, lossis poob ntawm cov khoom siv kho tshuab.
Xaiv cov khoom siv nrog cov tshuaj muaj zog muaj zog yog qhov tseem ceeb los xyuas kom meej tias cov cable tswj nws txoj kev ncaj ncees, kev ua tau zoo, thiab kev ntseeg siab thoob plaws hauv nws lub neej.
Hom Tshuaj Tiv Thaiv:
Gaseous Chemicals: Gaseous chemicals feem ntau muaj qis reactivity nrog polymers vim lawv tsis nkag mus rau hauv cov khoom. Txawm li cas los xij, reactive gases xws li chlorine los yog ozone tuaj yeem ua rau degradation thiab cuam tshuam rau cov khoom ntawm polymer.
Liquid Chemicals: Cov tshuaj ua kua feem ntau ua rau muaj kev pheej hmoo siab dua vim lawv muaj peev xwm diffuse rau hauv cov khoom. Qhov no tuaj yeem ua rau o, plasticization, lossis cov tshuaj tiv thaiv sab hauv hauv polymer matrix, cuam tshuam cov khoom siv hluav taws xob thiab hluav taws xob.
Material Performance:
PE (Polyethylene): Muaj kev tiv thaiv zoo rau ntau yam tshuaj thiab hydrocarbons. Nws ua tau zoo nyob rau hauv ib puag ncig tshuaj lom neeg tab sis tuaj yeem nkag siab rau cov neeg ua haujlwm oxidizing muaj zog.
PVC (Polyvinyl Chloride): Cov khoom pov thawj zoo heev rau cov roj, tshuaj, thiab hydrocarbons, tshwj xeeb tshaj yog thaum tsim nrog cov khoom siv roj-tiv taus.
LSZH (Low Smoke Zero Halogen): Muab nruab nrab tsis kam rau tshuaj thiab roj. LSZH cov tebchaw feem ntau yog tsim los rau kev nyab xeeb hluav taws (tsim cov pa luam yeeb tsawg thiab tsis muaj tshuaj lom thaum sib xyaw). Txawm li cas los xij, tshwj xeeb LSZH formulations tuaj yeem ua tiav cov roj thiab tshuaj tiv thaiv thaum xav tau.
2. Dej thiab Moisture Resistance
Cov kab hluav taws xob feem ntau raug dej los yog qhov chaw noo noo siab thaum lub sijhawm teeb tsa thiab thoob plaws hauv lawv lub neej kev pabcuam. Kev raug dej ntev ntev tuaj yeem ua rau cov rwb thaiv tsev degradation, corrosion ntawm metallic Cheebtsam, thiab yuav txo tau tag nrho cov cable kev ua tau zoo.
Yog li ntawd, dej tsis kam yog ib qho tseem ceeb rau ntau daim ntawv thov cable, tshwj xeeb tshaj yog nyob rau sab nraum zoov, hauv av, los yog marine ib puag ncig.
Ntawm cov khoom siv tsho loj, PE (Polyethylene) muaj cov dej tsis zoo, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov ntawv thov uas yuav tsum tau muaj kev tiv thaiv mus ntev los ntawm kev ya raws.
Tsawg Voltage thiab Nruab Nrab Voltage armored cables nrog LSZH lossis PVC sheaths feem ntau tsis pom zoo rau kev teeb tsa hauv qhov chaw muaj dej tsis tu ncua, xws li av nplaum lossis thaj chaw hauv qab rooj dej. Hauv qhov sib piv, PE sheaths tiv thaiv ntau dua rau kev tsiv teb tsaws dej los ntawm cov kab hluav taws xob. Raws li qhov tshwm sim, PE-sheathed cables yog qhov tsim nyog rau cov dej ntub dej ntau dua thiab muaj peev xwm ua tiav lawv lub neej tsim tag nrho.
Water-Tight Cable Tsim:
Yuav kom ua tiav cov dej tsis muaj tseeb hauv cables, ob qho kev tiv thaiv tseem ceeb yog suav tias:
Kev tiv thaiv dej Radial:
Ua tiav siv cov ntaub ntawv xws li txhuas hlau sheaths lossis hlau / hlau laminated tapes ua ke nrog cov polymers tshwj xeeb.
Longitudinal Water Protection:
Ua tiav siv cov ntaub thaiv dej los yog cov hmoov uas tiv thaiv kev txav ntawm cov dej raws li txoj kab ntev.
Ingress Protection (IP) Kev Ntsuas thiab AD7 / AD8 Chav Kawm:
Cov ncauj lus kom ntxaws txog IP tiv thaiv cov chav kawm thiab kev ntaus nqi (xws li AD7 lossis AD8) yuav muab faib rau hauv ib tsab xov xwm cais.
3. UV Resistance
Kev nkag siab thiab xaiv qhov tsim nyog ib puag ncig tiv thaiv rau kev siv cable yog qhov tseem ceeb rau kev ua haujlwm ntev, kev nyab xeeb, thiab kev ntseeg tau. Cov yam ntxwv xws li kev raug tshuaj lom neeg, dej nkag mus, hluav taws xob UV, thiab qhov kub thiab txias tuaj yeem cuam tshuam rau cable kev ncaj ncees yog tias tsis txiav txim siab zoo thaum xaiv cov khoom siv.
Xaiv cov khoom siv sab nraud zoo - txawm tias PVC, PE, lossis LSZH - raws li cov xwm txheej ib puag ncig tuaj yeem txhim kho kev ua haujlwm ntev thiab kev pabcuam lub neej. Tsis tas li ntawd, siv cov txheej txheem thaiv dej kom raug thiab txiav txim siab IP kev ntsuas ntxiv ntxiv dag zog rau kev tiv thaiv cable hauv qhov xav tau ib puag ncig.
Los ntawm ua tib zoo tshuaj xyuas cov kev tiv thaiv ib puag ncig, cov kab hluav taws xob tuaj yeem ua kom zoo dua rau lawv cov kev xav tau, txo cov kev xav tau ntawm kev saib xyuas, txo qhov kev pheej hmoo tsis ua hauj lwm, thiab ua kom ntseeg tau kev ua haujlwm zoo thoob plaws hauv lawv lub neej kev xav.
Post lub sij hawm: Apr-27-2025