Hom kav dej: txheej txheem cej luam, specifications, installation nta thiab tshuaj xyuas

Cov txheej txheem:

Hom kav dej: txheej txheem cej luam, specifications, installation nta thiab tshuaj xyuas
Hom kav dej: txheej txheem cej luam, specifications, installation nta thiab tshuaj xyuas

Video: Hom kav dej: txheej txheem cej luam, specifications, installation nta thiab tshuaj xyuas

Video: Hom kav dej: txheej txheem cej luam, specifications, installation nta thiab tshuaj xyuas
Video: yuav coj li cas kom luag nyiam 2024, Hlis ntuj nqeg
Anonim

Thaum cov kav dej tau tso, qhov ntev thiab kev ntseeg siab ntawm lub kaw lus yog txiav txim siab los ntawm kev xaiv cov kav dej. Lawv yuav tsum muaj lub neej ua haujlwm ntev, nrog rau kev ua haujlwm tiv thaiv corrosion. Lwm qhov tseem ceeb yog tus nqi pheej yig. Yuav luag txhua yam ntawm cov kav dej uas muaj niaj hnub no ntawm kev ua lag luam niaj hnub, mus rau ib qib lossis lwm qhov, ua tau raws li cov cai teev tseg. Txawm li cas los xij, lawv yuav tsum raug xaiv suav nrog lub hom phiaj thiab txoj kab uas hla.

hom steel kav

hom cov kav dej
hom cov kav dej

Thaum xav txog cov yeeb nkab steel, nws yog ib qho tseem ceeb uas yuav tau xyuam xim rau txoj kev ntawm lawv cov khoom siv. Nyob rau hauv cov txheej txheem ntau lawm, nws yog ua tau kom tau welded los yog seamless khoom. Ntau yam tom kawg muaj kev ntseeg siab dua, tab sis tus nqi kuj yuav siab dua. Cov yeeb nkab steel yog yam ntxwv los ntawm:

  • Yplasticity;
  • qis dua;
  • zog;
  • peev xwmua siab ntev rau siab sab hauv.

Qhov loj ntawm cov khoom zoo li no yog txiav txim siab los ntawm cov txheej txheem sab hauv. Txhua hom steel kav muaj ib tug loj drawback, uas tsis muaj corrosion kuj. Cov neeg tsim khoom tab tom sim tshem tawm qhov tsis zoo no los ntawm kev siv cov txheej txheem los tiv thaiv corrosion lossis qhia cov khoom siv alloying ntawm cov theem tsim khoom, uas ua rau kom tau txais cov kav dej stainless.

Xav txog cov hom yeeb nkab uas yog ua los ntawm cov hlau, cov galvanized yuav tsum txawv, uas tsis xav tau kev tiv thaiv ntxiv. Staining yuav tsum tau ua tsuas yog nyob rau hauv cov chaw uas cov xov tau thov. Cov khoom siv Galvanized qee zaum kuj hu ua tin, lawv yog siv los npaj cov kua dej, cua sov thiab cov kav dej.

Xav txog cov hom kev sib txuas ntawm cov yeeb nkab, nws yuav tsum tau muab sau tseg tias kev vuam hluav taws xob ua raws li txoj kev tsim nyog tshaj plaws rau cov khoom siv hlau. Lub weldability ntawm cov kav dej yog txo yog tias cov tshuaj muaj pes tsawg leeg muaj cov pa roj carbon ntau. Cov txheej txheem no tseem tuaj yeem cuam tshuam los ntawm zinc txheej.

hom kav hlau loj

hom steel kav
hom steel kav

Cov kws tshaj lij hauv lawv daim teb yuav tsum paub txog hom cov kav hlau, ntawm lawv yuav tsum tau hais txog:

  • aluminium;
  • tooj;
  • steel;
  • cam khwb cia hlau;
  • Ytitanium.

Lawv tau siv niaj hnub no hauv yuav luag txhua qhov chaw ntawm kev lag luam. Cov khoom siv siab thiab tsis muaj zog yog tsim los ntawm cov khoom siv tubular dub, uas tuaj yeem dhau los ua ib feem ntawm cov khoom hnyav lossisfais fab hlau qauv. Cov khoom zoo li no kuj yog siv los npaj cov pa ducts thiab casings. Lawv yog cov yam ntxwv ntawm lub nplhaib siab nruj, nrog rau lub peev xwm ntawm kev ua haujlwm siab rau longitudinal thiab transverse loads. Cov kav dej no tsis yog yam tsis muaj qhov tsis zoo, uas tau nthuav tawm hauv kev cuam tshuam rau corrosion thiab tus nqi siab.

Txoj kev teeb tsa cov kav hlau

hom ntawm cov yeeb nkab profile
hom ntawm cov yeeb nkab profile

Thaum sib sau cov qauv hlau thiab cov kav dej, plaub txoj hauv kev tseem ceeb ntawm kev ua cov pob qij txha yog siv:

  • soldering;
  • socket txuas;
  • welding;
  • xov txuas.

Vuam thiab soldering yog inseparable, thiab tom kawg ntawm kev ua yog xyaum nyob rau hauv lub teeb loaded systems. Qhov no yuav tsum suav nrog cov cua sov hauv tsev lossis ntsuas ntsuas. Nrog kev pab ntawm vuam, cov txiaj ntsig zoo tuaj yeem ua tiav. Txoj kev mounting no yog siv tsis yog hauv kev lag luam xwb, tab sis kuj nyob rau hauv lub neej txhua hnub.

Lwm hom kav dej tuaj yeem txuas tau los ntawm kev sib txuas, qhov no yuav tsum suav nrog lub qhov (socket) thiab xov. Nyob rau hauv rooj plaub tom kawg, qhov kawg thiab fittings yog ua nrog cov xov tiav. Cov profile tuaj yeem yog trapezoidal lossis peb sab.

Qhov kawg yog ntsia rau hauv qhov haum, thiab qhov sib koom ua ke yuav tsum tau ntxiv nrog lub ntsuas phoo nrog lub foob. Lub qhov (socket) yog ntsia tau yooj yim dua; rau qhov no, qhov kawg du yog ntxig rau hauv qhov kawg ntawm qhov haum. Qhov sib koom ua ke yuav tsum tau insulated nrog kev sib khi los yog siv cov hlua, uas yog hlua khi.

Ntau yam ntawm cov kav dej

hom hlau kav
hom hlau kav

Yog tias koj txaus siab rau cov khoom uas tau piav qhia hauv tsab xov xwm, koj yuav tsum xav txog cov hom ntawm cov kav dej profile. Hauv daim ntawv lawv yog:

  • square;
  • paj oval;
  • rectangular;
  • oval.

Txhua yam muaj qhov tshwj xeeb ntawm kev siv. Piv txwv li, tiaj tus oval muaj qhov hloov tau yooj yim, uas tso cai rau siv cov kav dej zoo li no hauv kev lag luam rooj tog, uas feem ntau xav tau kev tsim khoom ntawm cov khoom zoo nkauj.

Square thiab rectangular hom ntawm cov kav dej profile muaj qhov ntev uas yooj yim siv thaum tsim cov qauv tso rau ntawm qhov chaw tiaj tus. Cov kav dej zoo li no tau siv los ua kev txhawb nqa lub tsev thiab thaum tsim cov kab ke sib txuas.

hom kav dej yas

hom kev sib txuas ntawm cov yeeb nkab
hom kev sib txuas ntawm cov yeeb nkab

Hom cov kav dej yas tau nthuav tawm niaj hnub no rau kev muag khoom hauv ntau yam, ntawm lawv yuav tsum tau hais txog:

  • PVC.
  • PP.
  • PE.
  • REH.
  • PEX-AL-PEX.

Thawj lub npe yog rau polyvinyl chloride, thaum lub thib ob qhia txog cov kav dej polypropylene. Lub npe PE qhia tias koj muaj cov kav dej polyethylene nyob rau hauv pem hauv ntej ntawm koj, thaum wired propylene qhia los ntawm peb tsab ntawv - PEX. Qhov kawg ntawm cov cim uas tau hais los saum toj no qhia cov kav hlau-yas.

YPlastic yeeb nkab specifications

diameters hom yeeb nkab
diameters hom yeeb nkab

Tau tshuaj xyuas txhua yam ntawm cov kav hlau, koj tuaj yeem paub txog cov khoom yas kom ntxaws ntxiv. Piv txwv li, cov kav dej polypropylene tuaj yeem ntev li plaub meters, thaum txoj kab uas hla txawv ntawm 16 hli mus rau 1.25 m.

Cov kav dej txuas nrog fittings lossis nrog kev pab los ntawm cov cuab yeej tshwj xeeb hu ua thermoplastic vuam tshuab. Polyethylene kav yog siv rau lub installation ntawm sab nraud thiab sab hauv siab piping systems. Tus nqi ntawm tus qauv siab yog 6 cua, uas yog qhov tseeb rau cov kav dej nrog lub npe "C". Lub siab nce mus rau 10 cua thaum nws los txog rau cov kav dej cim "T".

Yog tias peb sib piv cov kav dej no, nws tuaj yeem sib cav tias cov khoom siv polyethylene yuav tsum tau muab tso rau hauv qhov kub qis tshaj plaws, thaum tus pas ntsuas kub poob rau -20 ° C. Thaum txoj kab uas hla txawv ntawm 20 mus rau 63 hli, cov khoom siv txuas nrog ib leeg nrog cov hlua khi lossis cov nplhaib. Couplings rau hluav taws xob vuam siv tau.

Thaum txoj kab uas hla nce mus txog 60 hli thiab nce mus txog 160 hli, kev sib txuas yog tsim tshwj xeeb los ntawm pob tw vuam. Tam sim no koj paub cov diameters, hom kav dej, tab sis nws yog ib qho tseem ceeb uas yuav tsum paub thaum xav txog cov khoom yas uas lawv tuaj yeem muab faib ua cov kav dej qis thiab siab. Tsis-siab muaj ib txoj kab uas hla ntawm 50 mus rau 110 mm. Cov kav dej no yog siv los tso cov kav dej phwj tuaj.

Reviews on cast pipes PEX

hom steel kav
hom steel kav

Raws li cov neeg yuav khoom, xws li cov kav dej sib txuas polyethylenesiv rau cua sov thiab dej system. Lawv tau pw los ntawm txoj kev sib txuas ntawm qhov chaw. Cov kav dej no yog qhov dav heev rau kev teeb tsa cov cua sov hauv qab thiab cov daus yaj. Txhawm rau tiv thaiv kev nkag mus ntawm cov pa oxygen mus rau hauv cov kav dej, cov neeg siv khoom tau qhia kom npog lawv nrog ib qho kev cuam tshuam.

Kev tshuaj xyuas ntawm cov kav hlau-polymer

Cov kav dej no tau tsim tsis ntev dhau los, tab sis twb tau muaj koob meej. Lawv thawj zaug tshwm sim hauv tebchaws Askiv, thiab niaj hnub no cov neeg siv khoom siv lawv ntau zaus. Lawv yog tsim los ntawm cov ntaub ntawv nrog ntxiv ntawm tshav kub-resistant polyethylene, zoo tib yam polyethylene thiab txhuas. Cov neeg yuav khoom xaiv cov kav dej ntau txheej vim lawv muaj peev xwm tiv taus cov khoom hnyav.

Koj tuaj yeem siv lawv rau cov kab ke uas yuav cuam tshuam nrog dej haus. Ib me ntsis thermal expansion tau txais thaum lawv ua haujlwm. Cov neeg yuav khoom hais tias yuav luag tsis muaj kev hloov pauv sab nraud thiab hnav thaum siv. Lawv tuaj yeem txuas rau hauv ib qho ntawm ob txoj hauv kev, uas yog nias thiab ntsia hlau.

Txoj kev teeb tsa ntawm cov kav dej polypropylene

Cov kav dej zoo li no yuav tsum tau kho rau cov phab ntsa nrog cov clamps, xov khoom los ntawm lawv. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias thaum npaj cov cua sov, cov kav dej polypropylene yuav tsum tsis txhob raug coj mus rau cov khoom siv boiler. Lawv cov kev sib txuas yog nqa tawm siv cov kev hloov pauv fittings uas sib koom nrog cov yeeb nkab hlau. Qhov ntev ntawm qhov kawg yuav tsum yog 0.5 m.

Yog tias peb piv cov pob qij txha welded nrog cov ntsia hlau, ces tus qub tsis tuaj yeem siv tau, uas yogyog li ntawd, cov khoom zoo li no tuaj yeem tso rau hauv phab ntsa. Txawm li cas los xij, ua ntej rau qhov no, lub kaw lus raug kuaj xyuas kom nruj thiab kev ntseeg tau. Cov lus pom zoo tib yam siv rau kev txiav tawm nrog crimp inserts.

Zaj lus

Cov kav hlau cam tseem muaj ntau niaj hnub no. Tab sis tsis ntev los no lawv tau raug tso tseg hauv kev pom zoo ntawm cov khoom tsim los ntawm cov khoom siv niaj hnub no, uas tau piav qhia saum toj no.

Qhov no yog vim qhov tshwj xeeb ntawm cov hlau cam khwb cia, vim tias nws tsis pom zoo siv rau hauv cov av mos, nrog rau thaj chaw uas muaj kev phom sij seismic siab. Ntawm lwm yam, cov kav dej zoo li no muaj qhov hnyav hnyav, lawv cov fragility tau nce, thiab ntau cov hlau siv rau kev tsim khoom. Ua cov kav dej ntawm txoj kab me me yog teeb meem txhua.

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