1. Dab tsi yog rhh thiab rhw -2 xaim?
RhothiabRhw -2yog tooj liab lossis txhuas cov xov hlau insulated nrog cov roj hmab thermoset roj hmab, tsim rau kev kub kub ib puag ncig.
Rhosawv rauRoj hmab-insulated, kub-resistant, siab-kubHlau . Nws yog tsim los ua haujlwm hauv cov chaw qhuav ntawm 90.
Rhw -2(Roj hmab-insulated, kub-thiab dej-resistant, 90℃ntub / qhuav) yog ib qho kev ntsuas hluav taws xob tib yam hauv ob qho chaw ntub thiab qhuav.
Ob hom yog nplaim taws-retardant thiab nthuav qhia cov khoom siv insulation zoo tshaj plaws vim tias nws cov dej tsis kam rau hauv av lossis ntub kev nruab nrog {}}
Cov Kev Siv Cov Ntawv Siv:
Tsev kho mob thiab kev kho mob chaw
Conduit Institations nyob rau hauv ib puag ncig ib puag ncig
Cov ntsaws ruaj ruaj (rhw -2)
{{0 2. Dab tsi yog Xhhw thiab Xhhw -2 xaim?
Xhhw(Hla-txuas siab kub-resistant hlau) thiabXhhw -2yog tseem tooj liab lossis txhuas cov neeg coj tab sis insulated nrog XLPE (hla kev sib txuas nrog polyethylene), uas muab tshuaj lom neeg zoo .
Xhhwyog rated rau 90℃hauv cov chaw qhuav thiab 75℃hauv cov chaw ntub .
Xhhw -2txhim kho ntawm qhov qub, tswj hwm 90℃ntsuam xyuas hauv ob qho tib si qhuav thiab ntub dej .
Cov hlau no siv nyob rau hauv Rhiav kev ua si, kev cog lus, thiab cable tais diav tsis muaj qhov, thiab durability ntau tshaj qhov kub thiab txias {}}
Cov Kev Siv Cov Ntawv Siv:
Kev Lag Luam thiab Cov Tsev Nyob
Tswj Panels thiab hloov chaw
Kev Sib Nrauj Sab Nraud thiab Kev Pab Cuam
{{03. Qhov sib txawv ntawm rhh / rhw -2} thiab xhhw / xhhw -2
Lub hom phiaj tseem ceeb:XHHW VS RHW2, RHH VS XHHW, Kev Tsim Hlau Hlau
Txhawm rau xaiv cov qauv zoo ntawm cov hom xaim no, nws yog qhov tseem ceeb los sib piv lawv cov yam ntxwv tseem ceeb sab los ntawm sab:
| Yam zoo | Rhh / rhw -2 | Xhhw / Xhhw -2 |
|---|---|---|
| Rwb thaiv tsev ntaub | Thermoset Roj Hmab | Hla-Txuas Polyethylene (XLPE) |
| Qhov Ntsuas Kub | RHH: 90℃(qhuav) Rhw -2: 90℃(ntub / qhuav) |
XHHW: 75℃(ntub), 90℃(qhuav) Xhhw -2: 90℃(ntub / qhuav) |
| Dej tiv | Rhw -2: zoo heev RHH: Tsis yog dej-resistant |
Xhhw -2: zoo heev |
| Yooj yooj | Siab dua vim roj hmab rwb thaiv tsev | Qis dua vim tsis muaj peev xwm |
| Tshuaj Kuj | Tswj kav | Zoo tshaj |
| Kev Siv Ntau | Damp / nyob hauv av | Sab nraum zoov Rieways, qhuav / ntub dej ib puag ncig |
| Tus nqi | Me ntsis siab dua | Me ntsis qis dua |
{{04. Daim Ntawv Thov Kev Sau Npe: Qhov twg koj yuav tsum xaiv?
Xaiv ntawm rhh / rhw -2 thiab xhhw / Xhhw {{} nyob ntawm koj cov phiaj xwm ib puag ncig thiab kev cai ib puag ncig thiab kev tswj hwm.
Rooj plaub 1: Tsev Kho Mob Ua Haujlwm
Hauv qhov xwm txheej no, kev nyab xeeb thiab thermal thiab thermal {{rhw {{rhw -2}}}}}}}} {.
Rooj plaub 2: Chaw Ua Haujlwm Chaw Haujlwm Tshaj Tawm
Rau qhov kev daws teeb meem zoo nyob rau hauv ib puag ncig sib xyaw (sab nraum zoov nrog tus nqi hluav taws xob zoo, tshwj xeeb tshaj yog nyob rau hauv conduit system {}}
Rooj plaub 3: Chav Dej Yias
Ob yamRhw -2thiabXhhw -2yog rated rau cov ntaub ntawv hauv av thiab ntub dej.}}}}}}}}}}}}} Puas muaj kev pab cuam kom zoo nrog kev sib cais nrog rwb thaiv tsev.
5. Ua raws cai thiab kev ntsuas
Hluav taws xob nruab yuav tsum ua raws li NEC (National Electrical Code) thiab UL qauv .
Rhh / rhw -2yog muaj ntawv pov thawj nyob rau hauvUL 44thiab yog nec-pom zoo rau kev siv hauv cov conduit, cov nplais hauv av, thiab ib puag ncig uas yuav tsum muaj nplaim taws {{1}
Xhhw / Xhhw -2yog kuj tau hloov {44-}}}}}}}}}}}}}}}}}}}} Cov chaw yuav tsum rau cov conduit thiab raceways.
Hluav Taws Kub Kuj & Cov Kev Xam Pom Ib puag ncig:
RHH muab cov nplaim taws siab tiv taus, feem ntau siv nyob rau hauv ib puag ncig muaj kev pheej hmoo siab.
Xhhw -2 yog UV-resistant thiab ua tau zoo sab nraum zoov, tshwj xeeb tshaj yog qhov twg cov tshuaj lom neeg raug.
6. Cov Lus Qhia Sib Tham: Kev Qhia Ceev Tshaj Tawm
Ntawm no yog lub snapshot rau kev siv sai:
| Hlau Hom | Kev rwb thaiv tsev | Max temp | Kev siv ntub dej | Yooj yooj | Zoo tshaj plaws rau |
|---|---|---|---|---|---|
| Rho | Yas | 90℃(qhuav) | Tsis muaj | Siab | Nyob sab hauv tsev muaj ib puag ncig |
| Rhw -2 | Yas | 90℃(ntub dej / qhuav) | Tau | Siab | Ntub / av conduits |
| Xhhw | XLPE | 90℃(qhuav), 75℃(ntub) | Txwv | Nruab nrab | Sab Hauv Tsev Conduits |
| Xhhw -2 | XLPE | 90℃(ntub dej / qhuav) | Tau | Nruab nrab | Sab nraum zoov, ua lag luam & kev siv khoom |
7.} cov lus nug
Q1: Xhw -2}} Siv nyob hauv av zoo li rhw -2?
Yog, xhhw -2 yog ntsuas rau siv nyob rau hauv ntub thiab av ib puag ncig, zoo ib yam li rhw -2.
Q2: Puas Rhh tib yam li rhw-2?
Tsis raws nraim . Thaum ob leeg siv cov pa roj hmab, rh}} yog rau cov ntaub ntawv ntub thiab qhuav.
Q3: Uas yog ntau cov cua sov tiv: xhhw -2 lossis rhw -2?
Ob leeg raug ntsuas rau 90℃hauv cov chaw ntub thiab qhuav. Txawm li cas los xij, rht {}}
Q4: Puas yog xhhw -2 tus nqi tsawg dua rhw -2?
Feem ntau, yog {{. xhhhw {{l}} Saib tau ntau dua vim yog cov khoom siv XLPE tsis tshua kim dua li roj hmab.
Dongguan Ntau Ntau Hlau & Cable Co ., ltd .muab tag nrho cov khoom lag luam cable kws tshaj lij, cov roj hmab thiab cov khoom siv sib txawv, thov koj xav tiv tauj peb {{4}