Cov tswv ntawm lub tsev me thiab tsev nyob sab nraud lub nroog yuav tsum xav los ntawm kev yuav ua li cas xa dej rau hauv tsev. Yog li yuav ua li cas xaiv cov ntaub ntawv rau cov khoom siv dej? Cia peb sim ua kom paub nws
Yog li, koj muaj qhov dej ntws. Ib qho dej tau tuaj yeem ua tau zoo, ib qho dej haus lossis kev ua haujlwm zoo ntawm txoj kev uas lub raj uas muaj kev sib txuas ntawm koj (ntxig) yuav tsum. Nyob rau hauv txhua rooj plaub, txoj kev siv raj xa mus yuav tsum blunting hauv qab theem primer ntawm cov av kom dej hauv nws tsis khov txawm tias muaj zog thiab ntev-ntev frosts.
Cov kav dej yuav yog dab tsi?
Nees nkaum xyoo dhau los, txhua yam tau yooj yim thiab meej nrog cov kav dej: cov kav hlau tau siv - steel galvanized, tsis tshua muaj hlau. Tam sim no qhov ntau ntawm cov kav dej rau kev muab dej tau nthuav dav.
Viega kav, SmartPress Series (Stainless Hlau Fittings)
Cov kav dej rau tsev cov kav dej uas yog xaiv los ntawm lawv cov yam ntxwv tswv yim, kev pabcuam lub neej, yooj yim ntawm kev teeb tsa thiab, tau, nqi. Cov kav dej ua los ntawm cov polyethylene, Polypropylene PP, PVC polyvinylene pp, pvc polyvinyl chloride, thiab lwm yam) thiab cov khoom siv sib xyaw tau txais qhov kev tshaj tawm zoo tshaj plaws. Tom kawg suav nrog cov kav hlau sib ceg-polymer thiab cov kav dej polymer txhawb nqa nrog cov fiberglass.
Viega kav, Cov Lus Qhia Txog Cov Lus Qhia (Tooj)
Peb xaiv cov khoom
Polypropylene (pp)
Polypropylene kav yog qhov txawv los ntawm tus nqi tsawg. Cia peb hais 1 zaum M Tsis muaj pp yeeb nkab nrog txoj kab uas hla ntawm 20 mm tuaj yeem muas tau rau 25-30 rubles. Polypropylene yog qhov nruj heev, cov kav dej tau zoo tuav daim ntawv, tab sis lawv tsis tuaj yeem khoov. Kev sib txuas ntawm PP kav thiab fittings yog tsim siv vuam. Qhov no yuav tsum muaj cov cuab yeej tshwj xeeb uas, txawm li cas los xij, tuaj yeem yuav kwv yees li 1 txhiab rubles. Lub ntsiab tsis zoo ntawm PP kav yog ib qho kub kub deformation thaum rhuab. Qee cov qauv ntawm cov kav dej xws li tsis tuaj yeem siv rau twj tso kua dej nrog qhov kub thiab txias saum 60 ° C. Piv txwv li, cov no yog cov kav dej ua los ntawm propylene random copolymer (txhais los ntawm PP-R). Tam sim no cov tuam tsev lag luam hloov mus rau thermostabilized polypropylene (PP-RCT), uas yog tsim rau cov kua mob rau 85 ° C nrog cov neeg them nyiaj uas sov yuav raug npaj rau cov kav dej. Nyob rau hauv lawv lub luag haujlwm, muaj cais cov cheeb tsam nkhaus ntawm cov yeeb nkab lossis p-puab cov ntxig.| Qhov dav Kav Pipes, saib | Yeeb nkab kab rov tav, cm | Yeeb Nkab PP Kab Rov Tav, Saib | Pndt pnd ntsug, cm | Yeeb nkab pp ntsug, cm |
|---|---|---|---|---|
| nees kaum | 35-40 | 45-50 | 50-55 | 60-75 |
| 25. | 40-45 | 60-75 | 70-75 | 75-80 |
| 32. | 45-55 | 70-75 | 90-100 | 100-110 |
| 40. | 50-5 | 90-95 | 110-120 | 130-140. |
* Cov kauj ruam yog nyob ntawm cov kav dej ntawm cov kav dej thiab dej kub (lub rooj qhia qhov tseem ceeb rau dej nrog qhov kub ntawm 20 ° Kub, cov kauj ruam txo qis).
Tsis tshua muaj siab polyethylene (pnd)
Yog hais txog ib qho ntawm cov kav dej pheej yig tshaj plaws. Bay yeeb nkab nrog txoj kab uas hla ntawm 20 mm thiab 25 m ntev tuaj yeem muas tau rau 400-500 rubles. PND kav tau ntev ntev hauv qab no xaub thiab feem ntau siv rau Mount txoj kev npaj, tab sis lawv, tsis haum rau dej nrog qhov kub siab tshaj 40 ° C.
Tsis tshua muaj siab polyethylene leeges thiab fittings (pnd) tau siv dav thaum tso dej sab nraum zoov
| Hom Yeeb Nkab | Polyprropylene | Polyethylene Tsis tshua muaj siab | Hlau | Stitched polyethylene | Hlau | Tooj liab |
| Nta | Hard Trumpet, kev lag luam ib qho ntawm cov pheej yig tshaj, tab tom mus rau qhov kev sib txuas tsis zoo, tsis zoo rau siab ntev | Kev lag luam ib qho ntawm pheej yig tshaj, tsis ntshai ntawm ultraviolet | Kev hloov pauv ntawm lub raj, yooj yim mounted, impenetrable rau cov pa, tsis ntshai ntawm cov dej kub siab | Hloov cov yeeb nkab, sib sau ua ke ntawm cov inadvertent compound, tsis zoo tiv thaiv qhov cuam tshuam ntawm lub hnub ci | Hard Trumpet, threaded, vuam lossis critting fittings | Tshuaj Kuj Yooj taus, zoo Tsos, Siab Nqe |
| Daim ntawv thov | Muab dej txias, PP-RCT HOM thiab cov dej dej kub, xaim hluav taws xob | Txoj kev network ntawm dej Kav | Cua sov, khoom siv dej, kab hluav taws xob sab nraum zoov | Sab nraum zoov cua sov tes hauj lwm (sov pem teb) thiab khoom siv dej | Universal Ntaus Siv Txhua Qhov | Cua sov, dej mov khoom khoom kim heev network (suav nrog cov ntsiab lus zoo nkauj) |
Hlau Yas (MP)
Cov no yog cov kav dej multier nyob rau hauv uas sab nraud thiab sab hauv cov raj nplaim yog ua los ntawm cov ntaub ntawv polymeric, thiab nruab nrab ntawm lawv yog txheej ntawm txhuas. MP kav tso rau feem ntau rau cua sov, txij li lawv cov qauv tshem tawm cov diffusion ntawm oxygen ntawm lawv cov phab ntsa. Tab sis lawv kuj tseem siv rau cov xov tooj hauv tsev los vim muaj ntau tus qauv zoo: lawv hloov tau, thaum zoo tuav daim foos thiab tsis txhob muab cov cai tiv thaiv kub. Ib qho ntxiv, lawv tau txaus los tsuas yog mount nrog kev pab los ntawm kev tshem tawm crittingable. Cov kev sib tw ntawd tau ua rau muaj kev sib kis ntawm MP kav, txawm hais tias lawv cov nqi siab dua (tus nqi ntawm lawv yog kwv yees li ntawm PP, fittings kuj yog li ob zaug li kim). Nws yuav tsum, txawm li cas los xij, nco ntsoov tias fittings uas tshem tawm tsis yog qhov kev teeb tsa txhim khu kev ua haujlwm tshaj plaws. Cov xwm txheej ntawm cov tebchaw xws li cov tebchaw thiab kuaj xyuas txhua rau lub hlis ib xyoos. Yog tias qhov kev sib txuas tsis muaj zog, nws yuav tsum nruj. Tshem tawm cov fittings tsis tuaj yeem muab tso rau hauv cov pob zeb ua ke los yog hauv lwm txoj kev uas tsis suav nrog kev nkag mus thiab tshuaj xyuas.
Cov kav dej qab yog tsim tau siv seamless txhuas puas cov kav dej tsim
Stitched polyethylene
Stitched hu ua Polyethylene, kho nrog txoj kev tshwj xeeb (piv txwv li, txoj kev siv tshuaj lom neeg lossis UV Irradiation), yog li ntawd txoj sia hlau ntawm nws cov molecules tau txuas nrog txhua lwm yam. Cov ntaub ntawv zoo li no tau muaj zog heev, siv tshuaj heev heev thiab ruaj khov. Cov kav dej los ntawm nws yog li 80-120 rubles. Rau 1 p. M, lawv tuaj yeem siv rau khaub thuas, thiab rau dej kub. Lawv siv nrog tsis paub crimp fittings thiab feem ntau yog nyob ntawm cov kev xaiv txhim khu kev qha tshaj plaws. Elasticity ntawm phab ntsa tiv thaiv lawv los ntawm kev puas tsuaj thaum nws khoov thiab nyem. Tsuas yog txwv tsuas yog stitched polyethylene kom raug rau lub hnub ncaj qha.
Universal Yeeb Nkab Rautiitan Flex (Rehuam) rau kev ua dej cua sov thiab dej; Cov Khoom Siv - Stitched PE-XA Polyethylene
Cov cim qhia kev lag luam ntawm cov kav dej
Txhua cov ntaub ntawv tsim nyog feem ntau yog qhia ntawm cov yeeb nkab. Qhov no yog, ua ntej, hom yeeb nkab thiab cov khoom siv uas nws tau ua. Lub cheeb thiab nominal ua hauj lwm siab tej zaum kuj yuav qhia (PN npav yog tsis tam sim no yuav tsum tau, tab sis yog feem ntau siv rau cai rau tus pub ua hauj lwm siab ntawm ib tug dej kub ntawm 20 ° C). Piv txwv li, PP-R DN32 PN10 yog lub raj polypropylene muaj lub cheeb ntawm 32 mm thiab tsim rau kev siab 10 bar. Los yog, piv txwv li, pp-r / pp-r gf / pp-RCT (SDR11). Nws zoo nkaus li ntshai, tab sis qhov tseeb nws yog peb txheej txheej, txheej nruab nrab - txhawb nqa nrog cov fiberglass polypropylene, tsim rau siab 20 bar. SDR yog qhov ntsuas tau qhia raws li cov qauv European, hloov ntawm PN qub. Lub dimensionless tus nqi txhais tau qhov sib piv ntawm cov kab mob sab nraud ntawm cov yeeb nkab rau lub thickness ntawm polymer phab ntsa. Tus nqi me dua, qhov siab dua lub zog uas cov yeeb nkab tuaj yeem tiv taus. SDR6 txhais tau tias cov yeeb nkab yuav tiv thaiv lub siab ntawm 25 ATM, SDR11 - 12 DM, SDR26 - 4 ATM.
Cov neeg tsim khoom lag luam feem ntau siv cov xim liab: Cov kav dej nrog cov kab liab yog tsim rau cov dej kub, nrog xiav - rau txias. Feem ntau, nrog qee qhov txuj ci nws yog qhov ua tau kom kawm paub txog tag nrho cov kev tsim.
Dab tsi tshiab ntawm cov yeeb nkab thiab txhim kho?
Los ntawm cov novelties, ua ntej ntawm txhua qhov, ntau yam ntawm cov fittings kev hloov kho uas tau txhim khu kev qha thiab yooj yim dua txhua xyoo. Tsis yog li ntawd ntev tau tshwm sim, piv txwv li, cov fittings ua los ntawm cross-xa polyethylene PE-XA Polyethylene nrog Rautiitan Gilbe (RefeRing Rings thiab lwm cov ntsiab lus yuav hnav. Los yog, piv txwv li, viba tus tshiab xovxwm fittings, ua tsaug rau uas lub installe ntawm stainless hlau) lossis cov xov tooj, solder, txuag lub sijhawm thiab yog fireproof.
Qhov yooj yooj yim ntawm cov kav dej polymer muab ib qho ntxiv ntxiv thaum nruab
Nco ntsoov cov tsos ntawm cov kav dej ua los ntawm cov khoom tshiab. Qhov no feem ntau yog feem ntau ua haujlwm, xws li stitched polyethylene cov khoom uas tiv thaiv cov diffusion ntawm oxygen ntawm oxygen, li hauv lub ct (ovenop) kab. Lossis cov kav dej polymer nrog txheej txheej sab nraud tiv thaiv los ntawm cov teebmeem ntawm ultraviolet. Lub qhov rov qab muaj cov khoom uas txawv ntawm cov yeeb nkab txawv, cov raj multi-txheej nrog cov sab nraud txheej sib txawv nrog cov kua roj vanish. Cov qauv no khaws txhua qhov zoo ntawm cov kav dej hlau-polymer, tab sis ntxiv rau thiab zoo li zoo dua.
Kev teeb tsa cov dej ua haujlwm siv hlau-yas kav (a).
Muaj lwm yam kev txhim kho kev tsim kho. Yog li, txhawb nqa los ntawm basalt lossis fiberglass tso cai rau koj kom ua kom lub zog ntawm cov yeeb nkab ob peb zaug thiab peb zaug txo cov coefficient ntawm kub nthuav dav. Ntau txawv zoo li cov kav dej xws li cov kav dej nrog cov tshuaj ntxiv ntawm cov tshuaj ntxiv, xws li HP PPR Nano AG (HP sib (HP sib txawv (HP sib txawv (HP sib txawv (HP sib txawv (HP sib txawv (HP sib txawv (HP sib txawv (HP sib txawv (HP sib txuas) koob. Cov ntsiab lus ntawm cov nyiaj sib txuas thiab cov tshuaj txwv tsis pub muaj cov kab mob tseem ceeb ntawm cov kab mob tseem ceeb hauv cov raj xa dej tsis xwm yeem.
Txhawm rau nruab sab hauv cov phab ntsa thiab hauv cov pob zeb ua tiav, tsuas yog cov hlab nrog cov fittings tsis paub yog siv, uas tsis tas yuav tu ncua. Yog tias lub installation ntawm xws li fittings yuav tsum tau cov cuab yeej tshwj xeeb, koj tuaj yeem xauj nws
Sergey Bakin, Lub taub hau ntawm kev txhawb pab pawg kev taw qhia txog Refeering Engineering tshuab nyob rau sab hnub tuaj Europe
Txhua qhov compound technologies tuaj yeem faib ua ob chav - paub thiab tag nrho. Thawj suav nrog threaded, threaded thiab flange kev sib txuas. Qhov tsis txaus ntseeg ntawm txhua qhov tsis sib thooj yog lawv lub zog tsis muaj zog nyob rau lub sijhawm thiab vim li ntawd, kev ua txhaum ntawm lub zog thiab nruj. Cov kev sib txuas no yuav tsum tau ua kom nruj. Yog li ntawd, raws li cov qauv kev tsim qauv, nws raug txwv rau kev tsim kho cov kav dej nrog txoj kev sib txuas hauv txoj kev zais cia. Cov kev sib txuas hauv zos tsis tas yuav tu ncua thiab pub zais pa yeeb gasket nrog lawv. Ib tug compound los ntawm axial nias nrog kev pab los ntawm saib xyuas tes tsho yog suav tias yog ib qho ntawm feem ntau yam thiab muab ib tug siab kaw kev twb kev txuas.
Tus editorial board ua tsaug viega, rov ua, leroy merlin, onor rau kev pab npaj cov khoom siv.