Piv PE80, PE100, thiab PE100-RC: MRS, kev tsim qauv, phab ntsa tuab, kev tiv thaiv tawg – thiab yuav xyuas cov tshuaj koj tau txais li cas.
Oct 24, 2026
Tso lus
Tus naj npawb tom qab "PE" tsis yog ib qho ntsuas zoo. Nws qhia txog qhov muaj zog tsawg kawg uas cov khoom yuav tsum muaj, thiab nws txiav txim siab qhov tuab ntawm phab ntsa uas koj yuav tsum tau rau ib qho siab tshwj xeeb. Nov yog qhov PE80, PE100, thiab PE100-RC tiag tiag txhais li cas, vim li cas hom tiv thaiv tawg thiaj kim dua, thiab yuav xyuas li cas qhov koj tau txais tiag tiag.
Qhov tseeb ntawm tus naj npawb tom qab PE
Polyethylene yeeb nkab qib raug faib raws ib yam tseem ceeb: qhov muaj zog tsawg kawg uas xav tau, lossis MRS. Ib qho PE100 compound muaj MRS ntawm 10.0 MPa, uas txhais tau tias cov yeeb nkab ua los ntawm nws tuaj yeem ua tau kev sim hydrostatic ntev ntev ntawm hoop stress ntawm 10 MPa rau 50 xyoo. PE80 mus txog 8.0 MPa, thiab PE63 mus txog 6.3 MPa.
Qhov kev tsim qauv tso cai yog MRS faib los ntawm ib qho coefficient kev pabcuam tag nrho. Rau cov raj dej thiab roj hauv EN 12201, ISO 4427, EN 1555, thiab ISO 4437, tus coefficient yog 1.25:
Qhov txawv ntawd hauv kev tsim qauv yog qhov hloov qhov tuab phab ntsa uas koj yuav tsum tau. Rau tib qib siab, ib lub raj PE80 xav tau SDR qis dua ib lub raj PE100 uas muaj tib txoj kab dav. Saib ib lub raj dej loj 10 bar:
Ib yam siab, phab ntsa txawv
Ntawm PN10, ib lub raj PE100 yog SDR17, thaum ib lub raj PE80 yuav tsum yog SDR13.6 thiaj li tau txais tib qho ntsuas-qhov ntawd yog kwv yees li 20% phab ntsa tuab dua thiab 20% ntau dua cov khoom siv ib meter rau tib txoj kab dav. Cov khoom PE80 pheej yig dua ib kilo, tab sis vim koj xav tau ntau dua hauv lub raj, nws zoo li sib npaug. Qhov ntawd yog vim li cas PE80 feem ntau tau hloov hauv cov haujlwm dej thiab roj tshiab, thiab vim li cas qhov kev xaiv ntawm lawv feem ntau yog nyob ntawm qhov muaj ntau dua li tus nqi.
PE80, PE100, thiab PE100-RC sib piv
| Property | PE80 | PE100 | PE100-RC |
|---|---|---|---|
| Zog tsawg kawg uas xav tau (MRS) | 8.0 MPa | 10.0 MPa | 10.0 MPa |
| Design stress | 6.3 MPa | 8.0 MPa | 8.0 MPa |
| SDR needed for PN10 | SDR13.6 | SDR17 | SDR17 |
| Notched pipe (PENT) resistance | Baseline | Standard | Substantially raised |
| Kev tiv thaiv rau kev thauj khoom ntawm cov ntsiab lus | Lower | Standard | High |
| Zoo rau kev teeb tsa tsis muaj qhov tob | Not recommended | With care and clean bore | Yes, the intended duty |
| Availability | Declining in new projects | Wide | Growing, premium priced |
| Relative material cost | Lower resin, thicker wall | Baseline | Highest |
PE100-RC coj dab tsi los, thiab vim li cas nws kim dua
PE100-RC muaj MRS zoo ib yam li PE100 ib txwm. Nws tsis muaj zog dua thaum nws los txog siab siab, thiab ntawm daim ntawv ntsuas siab ib txwm, koj tsis tuaj yeem paub lawv sib txawv. Qhov nws tiv taus tiag tiag yog ib hom kev puas tsuaj txawv heev: kev tawg qeeb qeeb uas tshwm sim los ntawm ib qho kab, ib qho notch, lossis ib qho hnyav hauv phab ntsa raj.
Ib lub raj PE uas nyob hauv av yuav raug khawb thaum nruab, raug thawb rau pob zeb hauv bedding, lossis muab tso rau hauv qhov tsua pob zeb. Hauv ib lub kav PE100 ib txwm, qhov khawb ntawd yuav maj mam hloov mus ua qhov tawg uas loj hlob tau ntau xyoo txog thaum kav kawg yuav tsis ua haujlwm – feem ntau yog 10 txog 30 xyoo tom qab, tom qab tus neeg nruab twb tsis ua haujlwm lawm. Ib lub kav PE100-RC yog tsim los kom tib hom khawb ntawd tsis kis mus ntxiv.
Yuav ntsuas kev tiv thaiv li cas
Kev kuaj qauv yog notched pipe test, uas siv ib qho notch machined hauv phab ntsa yeeb nkab ntawm 80°C thiab teeb tsa hoop stress. Ib qho khoom PE100-RC tiag tiag siv tau ntev tshaj 500 teev, thaum PE100 ib txwm siv tsuas yog ib feem me me ntawm qhov ntawd. Qee qhov kev qhia kuj thov kom muaj point load test, uas ib qho indenter tsis sharp raug nias rau hauv phab ntsa yeeb nkab kom zoo li pob zeb hauv bedding.
What to ask for:daim ntawv qhia compound qhia txog qhov tshwm sim ntawm cov yeeb nkab muaj qhov txiav thiab tus qauv kuaj, ntxiv rau lub npe thiab qib ntawm tus neeg tsim resin. Cov ntawv RC xwb tsis qhia tau dab tsi – yog tus lej tom qab lawv thiaj tseem ceeb.
When it is the right call
Siv PE100-RC rau cov yeeb nkab uas yuav raug teeb tsa siv kev txiav kab rov tav, kev tawg yeeb nkab, lossis txhua txoj kev tsis muaj qhov tsua; thaum cov ntaub so ntswg yog coarse, rov siv dua, lossis pob zeb; thaum lub yeeb nkab yuav raug zais tob hauv qab kev thauj mus los hnyav; thaum lub yeeb nkab yuav raug tuav ntau ua ntej teeb tsa; lossis thaum muaj kev puas tsuaj nruab nrab lub neej yuav yog teeb meem loj-xws li rau cov kab roj, cov kav dej siab, lossis kev hla hauv qab txoj kev, dej ntws, thiab tsheb nqaj hlau.
Ua raws li PE100 qauv yog tias cov ntaub so ntswg yog xuab zeb lossis pob zeb me me, kev teeb tsa ua hauv ib qho trench qhib thiab tswj tau, thiab kab khiav ntawm siab thiab tob nruab nrab. Nyob rau hauv qhov xwm txheej ntawd, them ntxiv tsuas yog muab kev tiv thaiv rau ib qho kev pheej hmoo uas qhov chaw twb tau saib xyuas lawm.
Yuav Tshawb Xyuas Cov Tshuaj Koj Muaj Li Cas
"PE100" ntawm daim ntawv xa khoom tsuas yog ib qho kev thov xwb, tsis yog ib qho kev ntsuas tiag tiag. Cov kev tshuaj xyuas no yog qhov ua rau nws muaj pov thawj tiag tiag, thiab txhua qhov ntawm lawv tuaj yeem ua tau los ntawm ib lub lab ywj pheej siv ib qho piv txwv.
| Check | Typical requirement | What it catches |
|---|---|---|
| Carbon black content | 2.0 - 2.5% | Yeeb nkab uas tsis ruaj khov thiab yuav tawg hauv tshav ntuj; muaj filler ntau dhau hauv compound uas npog ib qho base resin pheej yig |
| Carbon black dispersion | Qib 1 - 2, tsis muaj pawg | Kev sib xyaw tsis zoo, uas ua rau muaj qhov chaw ntxhov siab hauv phab ntsa |
| Melt flow rate | Sab hauv qhov rais ntawm tus tsim resin | Cov khoom sib xyaw lossis rov siv dua uas weld txawv ntawm cov khoom tshiab |
| Oxidation induction time | Tshaj qhov tsawg kawg hauv tus qauv tswj hwm | Tsis muaj antioxidant txaus, uas ua rau nws laus sai dua thaum kub siab |
| Density | Ua raws li qib tau teev tseg | Qib tsis raug cim npe, lossis ib qho filler uas ua rau nws tsis yooj yim hloov tau |
| Notched pipe test | Per the grade claimed | Ib qho compound muag ua RC tab sis tiag tiag yog PE100 ib txwm |
| Batch traceability | Qib resin thiab pawg uas sau rau daim ntawv pov thawj | Cov lus thov uas tsis muaj pov thawj, uas yog qhov teeb meem feem ntau tshaj plaws |
Qhov siab ntawm qhov txuas yuav tsum phim qhov siab ntawm lub raj
Ib kab tsuas muaj zog raws li qhov tsis muaj zog tshaj plaws, thiab ntawm PE100-RC main, qhov tsis muaj zog tshaj plaws feem ntau yog ib qho PE100 fitting uas tsis muaj leej twg nco qab xyuas. Ob yam yuav tsum phim, thiab lawv tsis yog tib yam:
Pressure class
Qhov ntsuas siab ntawm qhov txuas yuav tsum tsawg kawg nkaus siab li qhov siab ntawm lub raj. Siv PN10 coupling rau PN16 main yog qhov tsis sib haum siab, thiab tsis muaj kev sib txuas zoo twg yuav kho tau.
Compound grade
Rau RC yeeb nkab, cov fittings yuav tsum yog ua los ntawm tib yam RC compound thiab, yog tsis ua li ntawd, qhov crack resistance yuav xaus ntawm thawj qhov txuas. Qhov txuas kuj yog qhov feem ntau yuav raug khawb thiab tsis yooj yim xyuas, vim nws nyob hauv qhov txuas. Nco ntsoov sau ntawv txog qib compound ntawm qhov txuas.
Continuity of supply
Thaum ib lub tuam txhab hluav taws xob xaiv ib qho qib xwb, tag nrho cov khoom siv hauv nws cov khoom, cov khoom kho, thiab cov tsheb thauj neeg ua haujlwm yuav tsum phim. Siv ib qho rooj zaum tsis sib haum rau kev kho xwm txheej ceev tsim teeb meem uas qib ntawd tsim los tiv thaiv. Electrofusion, rooj zaum, thiabbutt fusionCov ntau yam fitting uas peb tsim tau sau tseg los ntawm DN, SDR, thiab compound hauvHDPE yeeb nkab fittings cov ntsiab lus tsev qiv ntawv.
Tsib Qhov Yuam Kev Thaum Xaiv Qib
1. Saib PE100 zoo li daim ntawv cim zoo
PE100 yog ib qho kev faib zog, tsis yog qib zoo. Txawm tias ib qho compound tsuas yog ua tau raws li MRS qhov yuav tsum tau, nrog carbon black sib xyaw tsis zoo thiab melt flow tsis ruaj khov, nws tseem raug suav tias yog PE100. Qhov kev faib tawm tsuas yog teeb tsa qhov tsawg kawg nkaus, thiab daim ntawv pov thawj qhia qhov chaw uas cov khoom tiag tiag nyob hauv qhov kev txwv ntawd.
2. Yuav RC rau daim ntawv lo, tsis yog rau se
Ntxiv RC rau ib qho qauv uas tsis tau thov feem ntau tsuas yog siv nyiaj tsis tsim nyog xwb. Ntxiv RC rau qhov chaw uas tau thov, tab sis tsuas yog rau ntawm lub raj xwb tsis yog rau cov khoom txuas, yog qhov phem dua – nws ua rau kab zoo li raws li daim ntawv xa khoom tab sis tiag tiag muaj phab ntsa uas yooj yim muaj teeb meem txuas nrog cov khoom brittle.
3. Xav tias PE80 thiab PE100 tuaj yeem hloov tau raws li txoj kab uas hla
Lawv tsis yog. Rau tib qho kev ntsuas siab, ib lub raj PE80 yuav tsum muaj SDR qis dua, yog li ob qho muaj phab ntsa tuab thiab bore sib txawv, thiab lawv xav tau fittings txawv. Hloov ib qho rau lwm qhov tsuas yog vim DN sib phim yog vim li cas kab thiaj li raug txo qis lossis muaj kev ntxhov siab dhau.
4. Txais lub npe resin tsis muaj pawg
"Ua los ntawm virgin PE100" tsis tuaj yeem txheeb xyuas tau yam tsis muaj lub npe thiab tus naj npawb ntawm tus tsim khoom. Yog koj muaj ib qho resin qib npe nrog daim ntawv pov thawj sib phim thiab kev kuaj hauv lab ntawm ib qho qauv txiav, qhov ntawd ua haujlwm. Thov ob qho thiab kuaj ib qho kev xa khoom txhua quarter raws li kev xaiv.
5. Tsis quav ntsej txog kev nruab kav dej
Xaiv hom raj tsis muaj txiaj ntsig ntau yam tsis xav txog yuav teeb tsa li cas. Ib qho PE100 raj ua haujlwm zoo hauv ib qho trench qhib uas muaj xuab zeb tab sis feem ntau yuav puas thaum nruab nrab yog tias nws nyob hauv qhov chaw pob zeb thiab drilled raws txoj kev. Xaiv qhov qib thiab txoj kev teeb tsa ua ke, tsis yog ib qho tom qab lwm qhov.
Cov Lus Nug Feem Ntau
Cov lus nug txog qib peb feem ntau tau nug los ntawm cov neeg yuav khoom thiab cov kws tsim tshwj xeeb.
PE100 puas muaj zog dua PE80?
Yog, vim compound muaj peev xwm tiv taus hoop stress siab dua ntev ntev, yog li phab ntsa nyias dua kuj mus txog tib qib siab. Tab sis PE80 pipe tseem siv tau zoo heev-tsuas yog xav tau SDR tsawg dua, txhais tau tias muaj ntau yam khoom siv rau tib txoj haujlwm. Qhov txawv tiag tiag yog tus nqi thiab kev muaj, tsis yog seb puas tsim nyog rau txoj haujlwm uas tau teev kom raug.
Kuv puas siv tau PE100 fittings rau PE80 raj?
Tsis yog tsuas yog tias SDR ntawm qhov txuas phim SDR ntawm lub raj thiab txoj kev fusion tau pom zoo rau qhov kev sib xyaw ntawd. Cov qib khoom siv haum ua ke raws li tsim, tab sis qhov loj tsis yog ib qho tsis siv neeg-ib qho SDR17 coupling yuav tsis txuas tau zoo rau ib qho SDR13.6 raj, txawm tias ob qho tib si tau cim npe PE100 lossis PE80.
Kuv puas yuav tsum tau PE100-RC rau kev xuas drilling kab rov tav?
Yog. HDD yog yam PE100-RC tsim los rau. Rub nws ua rau muaj khawb raws axis thiab point pressure los ntawm bore, thiab koj tsis tuaj yeem xyuas kav tom qab. Feem ntau cov engineers xaiv RC rau txhua qhov kev hla HDD tsis hais pressure class twg, thiab ntau tus qauv utility ua rau nws yog default rau mains tshiab.
RC puas hloov txoj kev fuse ntawm lub raj?
Nws siv tib cov txheej txheem vuam thiab cov chaw teeb tsa raws li PE100 ib txwm, yog li koj tsis tas yuav hloov cov cuab yeej dab tsi. Qhov tseem ceeb uas yuav tsum nco ntsoov yog tias cov fittings ntawm kab RC yuav tsum yog RC compound thiab. Yog tsis yog, qhov kev tiv thaiv tawg yuav nres ntawm qhov txuas es tsis yog mus dhau nws.
Peb puas siv tau cov khoom rov siv dua hauv PE yeeb nkab?
Rau cov raj siab uas ua raws li cov qauv dej thiab roj, tsis yog – cov khoom yuav tsum yog tshiab tag nrho, nrog ib qho qib thiab pawg sau tseg. Cov khoom rov siv dua tuaj yeem tshwm sim hauv cov khoom drainage uas tsis muaj siab raws li lawv tus kheej cov qauv, tab sis ib lub raj siab ua los ntawm cov khoom rov siv dua tsis tau ntawv pov thawj, thiab nws txoj kev vuam tsis tau kwv yees. Yog koj pom ib qho nqi qis dua kev lag luam rau PE100 raj, qhov no feem ntau yog vim li cas.
Dab tsi cov ntaub ntawv yuav tsum muaj nrog kev xa PE raj?
Ib daim ntawv pov thawj khoom siv uas teev cov tuam txhab tsim resin, qib, thiab pawg; daim ntawv qhia compound nrog MRS thiab, rau RC, cov txiaj ntsig kuaj yeeb nkab notched; ib daim ntawv tshuaj xyuas qhov ntev uas phim dn thiab SDR uas koj tau xaj; thiab daim ntawv pov thawj ua raws li tus qauv uas yeeb nkab ua raws. Rau cov fittings, suav nrog qib compound thiab tus lej taug qab. Ua ke, cov no cia lwm tus xyuas koj qhov kev txheeb xyuas, tsis yog tsuas yog ntseeg koj xwb.
Related Reading
Cov khoom siv hauv qib uas koj cov lus qhia xav tau
Peb tsim electrofusion, butt fusion, thiab saddle fittings hauv PE100 thiab PE100-RC compounds los ntawm DN20 txog DN1200. Peb muab cov ntawv pov thawj khoom thiab cov ntaub ntawv compound uas koj xav tau rau kev pom zoo project. Tsis txhob ua siab deb, xa peb qib, DN, thiab SDR, peb yuav lees paub cov ntsiab lus thiab muab nqi rau koj.
Xa kev nug