Niaj hnub nimno dej pipers tsis tshua muaj tsim los ntawm cov hlau. Nws tau muaj kev sib tw zoo - polymers uas maj mam tsis txaus siab nws nyob rau ntau thaj chaw. Ib qho ntawm cov ntaub ntawv no yog qhov qis polyethylene. Los ntawm cov khoom siv no ua cov kav dej rau cov raj hluav taws xob siab, uas yog, rau cov kav dej siab thiab txawm tias muaj roj pipelines. Cov khoom siv no tau nce zuj zus, xws li kev sib txuas ntawm cov kav dej polyethylene yeem yooj yim los ua rau koj tus kheej. Nws tsuas yog tsim nyog los saib txoj cai yooj yim heev.
Thaum muab cov dej nyob ntawm cov khoom ntiag tug ntawm ntiag tug ohm, cov ncej huab tais feem ntau siv
Qhov zoo thiab cov yam ntxwv ntawm daim ntawv thov
Polyethylene kav yog ua los ntawm cov roj qis polyethylene. Cov ntaub ntawv luv cov ntaub ntawv no yog daim ntawv lo raws li ib tug pnd. Nws muaj lub zog siab thiab elasticity, muaj cov khoom lag luam zoo:
- Chemically nruab nrab, tuaj yeem siv los thauj khoom noj;
- Cov phab ntsa du tiv thaiv kev tsim cov quav hniav hauv sab hauv;
- tsis raug mob corrosion;
- Kev nthuav dav me me los nthuav tawm cov coefficient yog li ntawm 3% nrog cua sov siab tshaj plaws (txog + 70 ° C);
- Peb hnov qab ib txwm nyob rau hauv khov ntawm dej sab hauv, vim yog elasticity nce rau hauv lub cheeb, thiab tom qab yaj, thawj qhov ntev yog noj.
Ib pliag kom nco ntsoov! Yog tias koj xav tau cov kav dej txhaws, tiv taus khov (piv txwv li, rau cov khoom siv dej hauv lub tebchaws), saib cov lus piav qhia lossis cov lus qhia tshwj xeeb. Tsis yog txhua hom copolymers, uas yog siv los tsim cov kav dej tsim, nquag hloov chaw khov. Yog li ceev faj.
Qhov tseem ceeb ntawm cov kav dej polyethylene yog qhov kub ntawm kev thauj khoom: nws yuav tsum tsis txhob ua kom muaj qhov tsuas yog cov dej txias rau cov kab, thiab, ntxiv lawm, nws yog tsis yooj yim sua kom siv lawv.
Polyethylene Kais Kav yog sib txawv
Lwm lub ntsiab lus: Polyethylene tsis zam UV hluav taws xob. Nrog kev nrhiav tas mus li hauv lub hnub, cov khoom poob loses elasticity, thiab, tom qab qee lub sijhawm ua perm kav, tab sis lawv kim dua). Yog li ntawd, cov qhib gasket ntawm cov dej yeeb los ntawm cov kav dej yas yog qhov tsis muaj peev xwm. Tab sis kom tau siv cov yeeb nkab mus rau hauv trench los ntawm lub qhov dej los yog zoo rau lub tsev, ua ib kab hlau ib ncig ntawm lub tsev nws yog qhov ua tau. Qhov no yog qhov kev khwv nyiaj txiag thiab kev daws teeb meem yooj yim, txij li kev teeb tsa yooj yim, kev sib txuas ntawm cov kav dej polyethylene tsis yog qhov nyuaj heev. Yog tias peb tab tom tham txog kev sib txuas tsis taus, tsis muaj cuab yeej siv xav tau rau nws. Peb xav tau tsuas yog fittings thiab tes.
Tshooj nyob rau lub ncauj lus: Terracotta Wallpaper: Cib ntxoov nyob sab hauv
Cov kav dej yas zoo dua
Rau kev tsim cov kav dej kav hlau, polyethylene ob lub thwj cim tau siv - re 80 thiab rov ua dua li tuab thiab ruaj khov tshaj li lub yim caum. Rau cov dej khoom siv cov tshuab ntawm lub tsev ntiag tug ntawm lub zog ntawm PE 80 ntau tshaj li txaus - lawv tiv taus siab mus txog 8 tus lej. Yog tias koj nyiam cov npoo loj ntawm kev nyab xeeb, koj tuaj yeem coj lawv los ntawm PE100. Lawv ib txwm ua haujlwm ntawm 10 ATM.
Koj yuav tsum xaiv ua ntej ntawm txhua tus neeg tsim khoom lag luam
Dab tsi tsim nyog them rau - nyob rau lub teb chaws uas cov khoom no yog tsim tawm. Cov thawj coj zoo yog European tuam ntxhab. Kev ua tau zoo siab ua tau zoo tau lees paub cov txheej txheem siab muaj kev cia siab. Qhov nruab nrab zoo thiab nqe yog cov phiaj xwm kev sib tw Turkish, hauv cov nqi pheej yig, cov chaw tsim tshuaj paus hauv Suav teb. Qhov zoo ntawm lawv, raws li ib txwm muaj, kuj tseem qis dua. Cov lus qhia ntawm no yog nyuaj rau muab, txhua tus xaiv ntawm nws tus kheej kev txiav txim siab (lossis dab tsi nyob hauv thaj av).
Hom Pnd Yeeb Txuas Txuas
Kev sib txuas ntawm polyethylene kav muaj ntau hom tsiaj:
- tshem tawm (ntawm fittings lossis couplings);
- Tshawb xyuas - Vuam:
- Siv lub tshuab vuam tshwj xeeb;
- Fais txuas txuas ntxiv - lub rhaub tau tsim mus rau sab hauv ntawm cov couplings thaum lub hluav taws xob tam sim no yog muab tso, cov polyethylene yog rhuab thiab melted.
Vuam siv siv ntau dua ntawm cov kab zauv loj
WELD hauv cov yeeb nkab tseem ceeb ntawm cov kab uas sib txawv loj, uas yog siv los tsim cov pob tw ntoo. Cov kav dej ntawm cov kab me me - txog 110 hli siv hauv kev tsim kho ntiag tug, rau feem ntau feem ua ke nrog fittings. Cov couplings yog siv ntau dua thaum kho haujlwm, raws li lawv kev teeb tsa siv sijhawm ntev dua.
Cov fittings rau polyethylene kav yog fittings (Tees, Crossmen, cov hloov kho, cov hloov kho ntawm cov txheej txheem uas xav tau tsim. Txij li thaum tus neeg ywj pheej ntawm polyethylene kav yog nqa tawm ntau zaus nrog kev pab ntawm fittings, cia tham txog lawv hauv kev nthuav dav ntxiv.
Tshooj ntawm cov ncauj lus: Yuav ua li cas ntsuas cov ntaub thaiv cov ntaub thaiv: Cov lus qhia tshwj xeeb
Kwv yees teeb tsa ntawm fittings rau dej polyethylene kav
Tsim ntawm compression (crimping) fittings
Nrog rau ib lossis ob sab ntawm cov haum (qee zaum ntawm peb), tag nrho cov kab ke tau nruab, uas muab kev sib txuas. Haum nws tus kheej muaj:
- hull;
- clamping txiv ntoo;
- Cangi yog lub nplhaib yas nrog ib qho sranting, muab cov yeeb nkab kom nruj;
- tawv ncauj tawm;
- Gaskets, uas yog lub luag haujlwm rau nruj.
Dab tsi yog compression fitting rau polyethylene kav
Yuav ua li cas ntseeg tau qhov kev sib txuas
Txawm hais tias muaj qhov tsis txaus ntseeg, lub compression ntawm polyethylene kav rau ntawm cov kab ke compressutings yog qhov tseeb. Tsim kom zoo, nws tiv thaiv cov ua haujlwm siab txog 10 atm thiab siab dua (yog tias nws yog cov khoom lag luam uas ib txwm muaj). Saib cov yeeb yaj kiab.Nws yog qhov zoo rau cov kab ke no nrog kev yooj yim ntawm kev teeb tsa tus kheej. Tej zaum koj yuav txaus siab rau nws los ntawm cov yeeb yaj kiab. Tsuas yog cov yeeb nkab tau tso, xov yog rub.
Dachnkikov, dua li ntawm lub sijhawm los ua txhua yam nrog lawv cov Urms, nws nyiam qhov ntawd, txhua yam tuaj yeem rhuav tshem, txhua yam tuaj yeem nkaum lub caij ntuj no, thiab lub caij nplooj ntoo hlav rov sau dua. Nov yog rooj plaub yog tias cov xaim yog tsim rau kev ywg dej. Qhov system collapsible kuj yog qhov zoo vim tias koj tuaj yeem ua kom nruj kev noj mov haum lossis hloov nws nrog ib qho tshiab. Qhov tsis zoo - cov fittings ntawm cov qib thiab cov txheej txheem sab hauv hauv lub tsev lossis chav tsev ntawm lawv muaj qhov tsis tshua muaj zoo tshaj plaws. Tab sis rau cov phiaj xwm kev xa dej - los ntawm lub tsev zoo rau lub tsev - nws yog qhov zoo dua los nrhiav cov khoom kom pom.
Kev Txiav Txim Siab
Cov yeeb nkab yog txiav nruj me ntsis ntawm 90 °. Tus hlais yuav tsum yog tus, tsis muaj burr. Kuj tseem tsis lees paub muaj av, roj lossis lwm cov pa paug. Ua ntej sib dhos los ntawm kev txiav ntawm thaj chaw sib txuas, ib chamfer raug tshem tawm. Nws yog qhov tsim nyog yog li ntawd ntse ntug ntawm polyethylene tsis puas tsuaj rau kev sib khi roj hmab nplhaib.
Thaum txhim kho kev sib txuas ntawm polyethylene kav dej ntawm kev ua txhaum cov fittings tau nruj ntawm tes
Qhov chaw seem yog muab tso rau ntawm npaj cov khoom npaj hauv qhov kev txiav txim siab: lub crimp txiv ntoo yog ncab, ces lub collet, taug qab - lub nplhaib tawv ncauj. Roj hmab gasket nruab rau hauv lub tsev uas haum. Tam sim no lub tsev thiab cov yeeb nkab nrog cov ntsiab lus peb txuas nrog cov ntsiab lus, lub zog siv - nws yog ib qho tsim nyog los tso kom txog thaum nws nres. Zawm txhua qhov chaw rau rooj plaub thiab nrog kev pab los ntawm Crimp txiv ntseej txuas. Qhov tshwm sim kev twb kev txuas ntawm polyethylene kav dej kiv nrog yuam nrog lawv txhais tes. Txog kev ntseeg tau, koj tuaj yeem tiv toj ib lub rooj sib tham tshwj xeeb. Kev siv ntawm lwm cov cuab yeej hais tawm yog tsis xav tau: koj tuaj yeem ua rau cov yas ua kom puas.
Bendelki thiab lawv cov nyiaj
Ntxiv rau cov fittings, muaj lwm cov khoom siv nthuav uas tso cai rau koj ua cov ceg ntawm cov raj xa dej tiav. Cov no yog cov saddles - tshwj xeeb tsim cov couplings. Ntawm no clutch muaj yog ib lossis ntau qhov threaded qhov. Lawv feem ntau muab lub crane, thiab cov ceg tshiab ntawm cov dej muab tau txuas nrog nws.
Kev Sadelles rau Polyethylene dej kav dej
Cedeks yog muab tso rau ntawm cov yeeb nkab, nrawm nrog cov screws. Tom qab ntawd, nyob rau hauv ceg ntawm lub laum thiab tuab tho nyob rau saum npoo ntawm cov yeeb nkab, lub qhov yog drilling. Thaum nws npaj tau, lub crane yog ntsia, cov ceg yog mus. Yog li txhim kho lub system nrog kev siv zog minimal thiab cov nqi.
Flange cov tebchaw thiab hloov mus rau hlau
Hauv cov kav dej, cov ntsiab lus ntawm cov system uas tsis muaj xov, thiab cov flange txuas tuaj yeem ntsia tau. Cov no feem ntau yog cranes lossis lwm yam kaw lossis tswj cov fittings. Txhawm rau txuas nrog cov ntsiab lus ntawd muaj cov fittings tshwj xeeb rau tus pnd. Ntawm ib sab tes, txoj kev xaiv compression yog qauv, ntawm lwm qhov - lub Flange. Kev teeb tsa yog tus qauv - nrog rau Crimp txiv ntoo ntawm ib sab, gaskets thiab bolts bolts rau ntawm ib sab flange.
Flange Flange compound pnd
Thaum cov khoom siv dej khoom siv los ntawm Polyethylene Pipes kuj tseem suav cov lus nug txog cov duab sib txuas ntawm polyethylene thiab hlau. Rau cov rooj plaub no, fittings siv, ntawm ib sab muaj xov. Nws tuaj yeem yog sab nraud lossis sab hauv - nyob ntawm seb hom khoom siv tau raug teeb tsa lossis kev hloov pauv. Xws li cov fittings ncaj, muaj lub kaum sab xis ntawm 90 °.
Fittings rau kev hloov nrog HDPE rau hlau
Xov txheem hloov kho - xov (nrog winding zoo nkauj) ntawm ib sab thiab crimp txiv ntoo nyob rau lwm yam.
Tshooj nyob rau lub ncauj lus: ecrenumination ntawm lub qhov rooj nrog lawv tus kheej txhais tes hauv lub tsheb