Kev siv dej, cua sov hauv tsev lossis chav tsev (autonomous lossis centralized) tsis ua tiav yam tsis siv cov kav dej. Ntau tus neeg nco ntsoov tias cov kav hlau tsis zoo zoo li cas, lawv yuav tsum tau pleev xim tas li, khaws cia, thiab tseem nyob rau lub sijhawm twg los xij lawv tuaj yeem tso tus tswv tsev, vim tias dhau sij hawm lawv hnov mob qhov kub thiab txias thiab qhov kub thiab txias.
Cov hlau tau nrawm nrawm nrog nplai los ntawm sab hauv, uas ua rau txo qis kev txav ntawm cov dej kub thiab, vim li ntawd, txo cov cua sov. Tej zaum, tag nrho cov kev tsis zoo ntawm cov kav hlau ua rau cov kws tshawb fawb, engineers thiab technologists tsim thiab siv cov qauv tshiab ntawm cov kav dej ua los ntawm cov khoom siv niaj hnub siv cov thev naus laus zis siab heev.
Hnub no, koj yuav tsis xav tsis thoob rau leej twg nrog cov kav dej polypropylene. Lawv tau ruaj khov rau hauv peb lub neej niaj hnub, thiab tsis tshua muaj ib tus tswv tsev uas xav hloov cov qub.cov kav hlau mus rau tib cov tshiab.
Qhov zoo ntawm cov khoom tshiab
Reinforced polypropylene yog cov khoom siv high-tech niaj hnub uas tau ua tiav hauv kev tsim cov kav dej. Nws yog ntau sib dua li hlau, muaj elasticity thiab qib siab ntawm tshuaj lom neeg thiab corrosion kuj. Tsis tas li ntawd, cov khoom siv yog ib puag ncig zoo.
Cov kav dej polypropylene muaj tus nqi qis thiab lawv cov kev teeb tsa tsis nyuaj heev txawm tias tsis yog cov kws tshaj lij. Nws yuav tsum raug sau tseg tias cov kav dej ua los ntawm cov khoom siv no yog qhov zoo nkauj thiab tsis tshua muaj dej. Qhov teeb meem zoo li no tsuas yog tshwm sim vim yog qhov ua yuam kev thaum lub sijhawm teeb tsa.
Ntxiv rau cov cua sov hauv tsev thiab cov kav dej, cov khoom siv polypropylene yog siv hauv cov kav dej phwj tuaj, qhov cua, cov kav dej sab nraum zoov, kev ua liaj ua teb thiab kev lag luam. Muaj ob hom khoom siv no. Peb yuav xav txog qhov zoo thiab qhov tsis zoo ntawm txhua tus ntawm lawv hauv kab lus no.
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Polypropylene yog cov yas nrog cov coefficient siab ntawm thermal expansion. Nws melting point yog +175 ° C. Txawm li cas los xij, nws softens txawm nyob rau hauv qis dua (+ 140 ° C). Cov yeeb nkab ua los ntawm cov khoom zoo li no yuav tau lees tias ua haujlwm ntawm qhov kub tsis tshaj +95 ° C.
Vim muaj kev kub siab thiab dej kub, nws yuav deformed. Txhawm rau kom muaj zog, ntxiv rau txo cov theem ntawm kev nthuav dav ntawm cov kav dej ua los ntawm cov khoom siv no, lawvreinforced nrog fiberglass los yog aluminium. Kev txhawb zog tsuas yog ib yam ntawm cov thav duab nruj uas tsis tso cai rau cov yeeb nkab kom nce qhov ntev lossis dav. Rau kev sib piv, peb yuav nthuav qhia koj cov coefficients ntawm linear thermal expansion ntawm cov kav dej ua ntej thiab tom qab kev txhawb nqa:
- non-reinforced polypropylene - 0.15 mm / mK, txog 10 mm ib 1 meter ntawm 70 ° C;
- Aluminium Reinforced - 0.03mm / mK, mus txog 3mm ib meter;
- iav fiber reinforcement - 0.035mm / mK.
Fiberglass reinforced polypropylene
Cov khoom siv yog peb txheej txheej. Nyob rau hauv nws, nruab nrab txheej ntawm fiberglass yog welded rau polypropylene ntawm cov khaubncaws sab nraud povtseg. Qhov tshwm sim yog qhov kev tsim kho muaj zog heev nrog qis dua coefficient ntawm thermal expansion piv rau cov khoom qub. Vim nws cov khoom ruaj khov, fiberglass-reinforced propylene tsis delaminate.
Cov kav dej ua los ntawm cov khoom siv no muaj qhov elasticity zoo. Qhov no muab cov khoom lag luam nrog kev yooj yim, uas yooj yim heev rau kev teeb tsa. Lub sijhawm teeb tsa ntawm cov qauv kuj raug txo, vim nws tsis tsim nyog los ntxuav cov txheej txhuas ua ntej vuam cov kav dej.
Aluminium-reinforced polypropylene
Nyob rau hauv cov ntaub ntawv no, qhov cuab lub zog yog ua los ntawm perforated los yog khoom txhuas ntawv ci nrog ib tug tuab ntawm 0.1 mus rau 0.5 hli. Cov ntawv ci yog muab tso rau sab hauv thiab sab nraud ntawm cov khaubncaws sab nraud povtseg ntawm cov yas. Cov txheej yog txuas nrog cov kua nplaum tshwj xeeb. Thaum cov ntawv ci yog sab nraud, nyob rau hauv ib txheej nyias nyias ntawm cov yas, nws yog stripped ntawm txhuas txheej ua ntej welding nrog lub haum kom tiv thaiv cov hlau sib cuag nrog dej thiab xyuas kom meej vuam zoo kom tsis txhob to.
Ib txheej txheej ntawm cov ntawv ci tiv thaiv cov pa oxygen nkag mus rau hauv qhov txias. Nws ntau dhau ua rau corrosion ntawm cov khoom siv cua sov. Txawm li cas los xij, cov ntawv ci uas muaj lub ntsej muag zoo kawg nkaus tsis tuaj yeem muab kev sib raug zoo rau cov yas. Rau qhov no, yuav tsum tau siv cov kua nplaum tshwj xeeb thiab ua raws li cov txheej txheem thev naus laus zis, txwv tsis pub cov dej molecules nkag mus rau hauv cov phab ntsa, sib sau ua ke hauv qab txheej ntawm txhuas thiab npuas tuaj yeem tsim rau saum npoo.
Yog vim li cas aluminium-reinforced polypropylene tau tsim siv cov ntawv ci perforated hauv xyoo tas los no. Nws muaj qhov sib npaug spaced. Cov khaubncaws sab nraud povtseg ntawm cov yas nyob rau hauv cov ntaub ntawv no yog fastened ua ke securely. Cov pa oxygen permeability hauv qhov tsim no nce me ntsis, tab sis tib lub sijhawm nws tseem nyob hauv qhov qub.
Nyob rau xyoo tas los no, cov kav dej tau tshwm sim uas cov txheej txheem txhuas nyob nruab nrab ntawm ob txheej yas. Txoj kev tsim khoom no muab cov qib qis ntawm oxygen permeability thiab qis coefficient ntawm expansion. Qee cov tuam ntxhab hais tias cov kav dej zoo li no tsis xav tau kev ntxuav ua ntej. Txawm li cas los xij, cov neeg tsim khoom ntseeg hais tias txhawm rau ua kom zoovuam zoo, lawv yuav tsum tau trimmed. Txwv tsis pub, cov txheej txheem txhuas yuav tuaj rau hauv kev sib cuag nrog dej, thiab dhau sijhawm, qhov no yuav ua rau cov hlau corrosion thiab delamination ntawm cov qauv. Polypropylene yeeb nkab, ntxiv dag zog rau txhuas, yog trimmed nrog tshwj xeeb nozzles rau ib tug perforator.
Reinforced polypropylene rau cua sov (ntau qhov tseeb, cov kav dej ua los ntawm cov khoom siv no) yog qhov kev tsim tawm tiag tiag uas nrov heev ntawm cov tswv tsev. Lawv tuaj yeem ntsia tau ob qho tib si hauv tsev apartment thiab hauv kev lag luam ntiag tug.
Cov kav dej twg xaiv rau cua sov?
Hnub no, siv ob hom cua sov kav, uas muaj peb lossis tsib txheej. Nyob rau hauv ib tug peb-txheej yeeb nkab, nruab nrab txheej yog ntxiv dag zog. Nws tuaj yeem ua los ntawm txhuas lossis fiberglass. Tsib-txheej cov kav dej rau cua sov yog npaj sib txawv me ntsis. Reinforced polypropylene yog siv nyob rau hauv ob txheej - sab nrauv thiab sab hauv. Tsis tas li ntawd, muaj ib txheej ntawm fiberglass (los yog ntawv ci) thiab ob txheej ntawm tshav kub-resistant nplaum.
Txhua cov kav dej raug cim, cov ntawv sau thiab cov lej raug siv rau lub cev, uas tso cai rau koj los txiav txim siab seb yam khoom siv tau zoo li cas. Aluminium-reinforced polypropylene yeeb nkab yog cim nrog cov ntawv luv PPR-AL-PPR. Cov khoom no tau muab faib ua ob peb pawg:
- perforated aluminium yog nyob rau hauv nruab nrab thiab puag ncig lub qhov me me nyob thoob plaws txheej txheej;
- khoom aluminium reinforcement (tsis muaj qhov);
- tsib-txheej kav.
Aluminium(reinforced) txheej tuaj yeem muaj xim sib txawv. Raws li txoj cai, nws tsis nqa cov ntaub ntawv hais txog tus yam ntxwv thiab qhov zoo ntawm cov khoom, yog li koj yuav tsum tsis txhob them nyiaj ntau rau nws thaum yuav.
Nws tshwm sim tias hauv kev sau npe PPR lub npe yog hloov los ntawm PEX. Qhov no hais txog ntau txheej txheej txheej. Cov tsiaj ntawv thawj zaug hauv kev sib xyaw ua ke no xaiv cov txheej txheej sab nrauv, ua raws li txhuas thiab ua tiav cov txheej txheem sab hauv.
Qhov tsis zoo ntawm aluminium reinforcement
Cov kav dej nrog kev txhawb nqa sab nraud yog nrov dua vim lawv tus nqi pheej yig. Tab sis lawv kuj muaj qhov tsis zoo. Thaum lub sij hawm installation, stripping ntawm txhuas txheej mus rau qhov ntev ntawm kev sib txuas nrog lub haum yog yuav tsum tau. Tsis tas li ntawd, thaum lub sij hawm kev teeb tsa lossis kev ua haujlwm tsis raug ntawm cov yeeb nkab no, cov txheej txheem txheej txheej sab nraud tuaj yeem raug puas tsuaj, uas yuav cuam tshuam rau cov txheej txheem ntawm cov qauv.
PP yeeb nkab txhawb nqa nrog txhuas sab hauv, ruaj khov dua. Nws tsis xav tau txoj kev npaj thaum lub sij hawm installation. Tab sis nws yog ib qho tsim nyog yuav tsum coj mus rau hauv tus account lwm yam ntawm cov pob qij txha - rau kev txhim khu kev qha thiab nruj soldering, cov npoo ntawm cov khoom yuav tsum tau txiav nrog cov khoom zoo, hauv lwm lo lus, cov yeeb nkab txiav yuav tsum yog qhov sib npaug thiab nruj raws li qhov ua tau, txwv tsis pub. kev sib txuas thaum lub sijhawm ua haujlwm yuav nthuav tawm qhov tsis txaus siab xav tsis thoob. Tom qab lub tshuab cua sov puv lawm, lub siab yuav nyem tawm dej los ntawm qhov tsawg tshaj plaws qhov khoob.
Fiberglass reinforced kav
Cov khoom no yog cim - PPR-FB-PPR. Qhov no txhais tau hais tias lawv yog tsim los ntawm ntau txheej txheej, nyob rau hauv uas lub reinforced txheej(fiberglass) nyob hauv nruab nrab. Feem ntau cov kav dej no hu ua fiberglass. Zoo li cov ntawv ci txheej, txheej fiberglass muaj ntau yam xim. Qhov no yog pom tseeb ntawm qhov txiav ntawm cov yeeb nkab. Tab sis txawm nyob rau hauv cov ntaub ntawv no, cov xim tsis yog ib tug kos npe rau ntawm zoo los yog lwm yam kev yam ntxwv ntawm cov khoom thiab tsis cuam tshuam rau lub lag luam.
Ntau tus kws tshaj lij ntseeg tias fiberglass reinforced polypropylene rau cua sov yog qhov zoo tshaj plaws tov. Lub ntsiab kom zoo dua ntawm xws li cov kav dej yog yooj yim thiab ceev installation, lawv tsis xav tau calibration thiab stripping. Txoj kev no koj tuaj yeem txuag tau ntau lub sijhawm. Cov iav fiber ntau reinforced polypropylene yeeb nkab tsis delaminate vim nws muaj ib tug monolithic qauv: lub fiberglass tsuas yog soldered rau hauv lub polypropylene.
Txawm hais tias cov tuam txhab lag luam thov tias cov kav dej zoo li no tsis muaj qhov tsis zoo, lawv yog me ntsis cunning. Cov ntsiab lus tsis muaj zog ntawm cov kav dej zoo li no suav nrog kev nthuav dav me ntsis thaum cua sov, thaum piv nrog cov kav dej ntxiv nrog txhuas. Txawm li cas los xij, raws li cov neeg tsim khoom, qhov no yog qhov tsis txaus ntseeg ntawm cov khoom lag luam no, thiab lawv tseem nyiam dua cov kav dej nrog txheej txheej txhuas.
Pib diameters
Yog li, txhawm rau tsim cov kav dej lossis cua sov, koj tau xaiv cov khoom siv polypropylene. Cov yeeb nkab diameters koj xav tau dab tsi hauv qhov no? Cov neeg tsim khoom tsim cov kav dej muaj zog hauv ntau qhov loj: los ntawm 16 txog 1200 mm inch. Txawm li cas los xij, rau kev siv dej hauv tsev thiab cua sov, cov kav dej los ntawm 16 mus rau32 hli, rau cov dej phwj tuaj (sab hauv) - 40, 50 lossis 110 hli inch. Cov kav dej polypropylene loj tshaj plaws yog siv rau hauv kev teeb tsa cov kav dej phwj sab nraud ntawm cov tsev ntau lub tsev thiab txawm tias tag nrho cov cheeb tsam micro.
Rau cov dej txias hauv thaj chaw nyob, kev xaiv ntawm txoj kab uas hla ntawm cov kav dej yog nyob ntawm tus naj npawb ntawm cov ntsiab lus dej thiab qhov ntev ntawm cov kav dej. Raws li txoj cai, cov yeeb nkab xa khoom muaj txoj kab uas hla ntawm 32 hli, rau kev xaim hauv ib chav tsev, cov kab sab nraud yog li ntawm 16 txog 20 hli.
Accessories
Thaum txhim kho cov kav dej polypropylene, ntau yam zoo li cov khoom siv rau kev sib txuas. Tag nrho cov ntawm lawv tau txiav txim siab ua ntej raws li kev kos duab ntawm cov cua sov los yog cov kav dej kav dej. Xws li cov khoom tsim nyog suav nrog: fittings thiab tees, khoov thiab couplings, li qub thiab lwm yam. Lawv raug xaiv nyob ntawm txoj kab uas hla ntawm cov kav dej thiab lawv cov yam ntxwv. Piv txwv li, koj tsis tuaj yeem yuav khoom siv rau cov dej txias rau kev teeb tsa hauv cov cua sov circuits.
Txhawm rau txuas nrog lwm qhov ntawm lub kaw lus ua los ntawm lwm cov ntaub ntawv, siv cov khoom tshwj xeeb nrog nias-hauv hlau threaded inserts lossis nrog union txiv ntseej.
Cov neeg tsim khoom ntawm cov kav dej polypropylene
Nws tsis pub leejtwg paub tias thaum yuav cov kav dej, kev xaiv ntawm cov chaw tsim khoom zoo hauv Lavxias thiab thoob ntiaj teb kev lag luam yog qhov tseem ceeb heev. Niaj hnub no peb yuav qhia qee cov npe nrov,tshwj xeeb hauv cov khoom zoo li no.
FV Plast (CZ)
Lub tuam txhab tshwj xeeb hauv kev tsim cov kav dej polypropylene rau cua sov, dej kub thiab dej txias, thiab cua sov. Lub tuam txhab cov khoom tsuas yog muaj nyob rau hauv grey nrog ib txheej txhuas thiab fiberglass.
Metak (Russia)
Lub tuam txhab tsim ntau yam khoom los ntawm polypropylene, suav nrog cov kav dej fiberglass-reinforced raws li Metak Fiber hom. Lub tuam txhab cov khoom yog zoo tagnrho rau hnyav loaded cua sov tshuab.
Banninger (Lub Tebchaws Yelemees)
Lub tuam txhab German tsim cov khoom lag luam zoo tshaj plaws thiab kev ntseeg siab hauv kev ua haujlwm. Tus neeg yuav khoom tau yooj yim pom nws ntawm lub khw qhov rais los ntawm emerald ntsuab xim.
Nyob rau hauv xaus, Kuv xav kom peb cov neeg nyeem tsis txhob yuav cov khoom siv polypropylene los ntawm cov tuam txhab tsis paub uas tsis tau qhia lawv cov npe ntawm cov ntawv lo. Los ntawm kev txuag nyiaj me me thaum yuav, koj tuaj yeem poob nyiaj ntau dua (ncej, lub sijhawm) thaum cov khoom tsis zoo tso cai rau koj poob. Thiab qhov no tshwm sim, raws li txoj cai, ntawm lub sijhawm tsis zoo tshaj plaws.
