Kev ua tsis tiav ntawm cov twj tso kua mis xa cov kav dej kawg fittings thiab hoses

Lub hom phiaj

Qhov kev ceeb toom kev nyab xeeb no qhia txog qhov kev pheej hmoo ntawm kev ua tsis tiav ntawm cov twj tso kua mis xa tawm nrog rau kev ua tsis tiav ntawm qhov kawg fittings.

Cov lag luam uas haum rau qhov kawg fittings rau cov pob zeb xa khoom hoses thiab cov kav dej yuav tsum ua raws li thiab sau cov ntaub ntawv siv hluav taws xob zoo thiab muab cov ntaub ntawv qhia txog kev tshuaj xyuas rau cov neeg siv khoom.

Cov tswv ntawm lub twj tso kua mis yuav tsum tau txais cov ntaub ntawv los ntawm cov chaw muag khoom ntawm cov kav dej thiab cov kav dej ntawm cov txheej txheem tsim khoom siv thiab kev tshuaj xyuas tsim nyog.

Keeb kwm

Muaj cov xwm txheej hauv Queensland uas cov kab xa khoom ua tsis tiav thiab txau cov pob zeb hauv qab siab.

Failures muaj xws li:

• roj hmab xa hose tsis ua hauj lwm
• coupling qia tawg nrog qhov kawg tawg (saib duab 1)
• kawg haum pib cais los ntawm cov roj hmab hose (saib duab 2) nrog cov pob zeb txau tawm ntawm qhov sib txawv
• flange tawg thiab tawg tawm ntawm cov hlau 90-degree, 6-nti mus rau 5-nti reducer khoov, nyob ntawm lub hopper (saib Daim duab 3 thiab 4).

Lub twj tso kua mis siab tuaj yeem ua rau ntau tshaj 85 bar, tshwj xeeb tshaj yog thaum muaj kev thaiv. Tag nrho cov xwm txheej no muaj peev xwm ua rau muaj kev raug mob hnyav yog tias cov neeg ua haujlwm tau nyob ze rau qhov chaw tsis ua haujlwm. Nyob rau hauv ib qho xwm txheej, lub tsheb lub qhov rais tau tawg li ntawm 15 meters deb.

Kev tawg thiab ua tsis tiav ib feem ntawm lub kav dej kav

Swaged kawg haum uas tau sib cais los ntawm lub hose

Ua tsis tiav flange ntawm steel reducer khoov

Pab txhawb nqa

Hoses thiab fittings kawg tuaj yeem ua tsis tiav vim:

• lub siab ntsuas ntawm lub twj tso kua mis ntau tshaj ntawm cov roj hmab hose los yog kawg fittings
• incorrect tolerances nyob rau hauv thiab sab nrauv ntawm lub coupling
• cov txheej txheem swaging lossis crimping tsis ua raws li cov chaw tsim khoom tshwj xeeb
• tsis raug specifications rau cov roj hmab hose
• hnav ntau dhau-tshwj xeeb tshaj yog nyob rau sab hauv ntawm qhov haum ntawm cov pob zeb ntws.

Flanges ntawm cov yeeb nkab steel tuaj yeem ua tsis tiav vim:

• welding tsis zoo vim qhov tsis raug electrodes, kev npaj tsis raug, tsis muaj kev nkag mus, lossis lwm yam vuam irregularities
• flanges thiab cov kav dej yog tsim los ntawm cov hlau uas tuaj yeem nyuaj rau vuam
• tsis zoo txuam ntawm flanges rau cov kav dej (piv txwv li lub flange tsis haum zoo ntawm cov yeeb nkab kawg)
• mishandling ntawm cov yeeb nkab flange (piv txwv li bashing lub flange los yog yeeb nkab nrog ib tug rauj thaum cov yeeb nkab uas nyob ib sab thiab / los yog hose clamp tsis sib haum)
• tsis zoo haum hose clamps (xws li qhov loj me, pob zeb tsim).

Yuav tsum ua

Lub twj tso kua mis cov tswv

Cov tswv ntawm lub twj tso kua mis yuav tsum tau xyuas kom meej tias lub siab ntsuas ntawm lub twj tso kua mis tsis pub dhau ntawm cov kav dej. Piv txwv li, yog tias lub twj tso kua mis raug ntsuas ntawm 85 Bar pob zeb siab ces nws yog qhov tsis tsim nyog rau cov raj xa dej los hloov cov roj hmab hose nrog qhov siab tshaj plaws ntawm 45 Bar. Cov tswv yuav tsum tau ua cov kauj ruam tsim nyog los xyuas kom meej tias qhov kev lees paub zoo tau ua raws thaum txuas qhov kawg fittings kom tsis txhob ua tsis tiav ntawm qhov kawg fittings. Nws yog feem ntau yooj yim dua kom tau txais ntawv pov thawj los ntawm ib lub chaw muag khoom hauv zos thaum yuav khoom.

Yog tias tus tswv lub twj tso kua mis tuaj yeem xa cov khoom los ntawm txawv teb chaws, nws yuav nyuaj dua kom tau txais cov ntaub ntawv ntseeg siab ntawm cov txheej txheem tsim khoom. Qhov no yog rooj plaub thaum tus neeg muag khoom txawv teb chaws tsis paub los yog tsis muaj cov chaw tsim khoom lub cim. Unscrupulous manufacturers kuj tau paub los luam cov tuam txhab npe thiab cov cim lag luam, yog li kev kos npe ntawm cov khoom ib leeg yuav tsis muab pov thawj txaus tias cov khoom haum rau lub hom phiaj.

Lub twj tso kua mis tus tswv uas import khoom los ntawm txawv teb chaws yuav siv sij hawm nyob rau hauv lub luag hauj lwm ntawm ib tug importer nyob rau hauv lubUa Haujlwm Kev Noj Qab Haus Huv thiab Kev Nyab Xeeb Txoj Cai 2011(WHS Act). Tus neeg xa khoom yuav tsum tau ua, lossis npaj kom tau ua tiav, suav nrog, ntsuas, ntsuas, lossis kuaj cov cuab yeej los tswj kev nyab xeeb.

Cov neeg muag khoom ntawm cov kav dej thiab cov kav dej

Cov neeg muag khoom ntawm cov hoses thiab cov kav dej uas muaj qhov kawg fittings yuav tsum ua kom muaj kev ruaj ntseg zoo ua raws li thaum txuas qhov kawg fittings thiab cov ntaub ntawv ntawm qhov kev pab cuam no muaj rau tus neeg yuav khoom.

Cov neeg muag khoom yuav tsum tau muab cov ntaub ntawv qhia txog kev ua haujlwm ntawm cov khoom nrog rau cov txheej txheem tshuaj xyuas uas yuav tsum tau siv.

Yog tias tus neeg muag khoom txuas qhov kawg fittings rau cov kav dej lossis cov kav dej, tus neeg muag khoom siv lub luag haujlwm rau cov tuam txhab raws li WHS Act ntxiv rau cov dej num rau cov neeg xa khoom.

Fittings kawg fittings rau hoses

Qhov kawg fittings yog txuas nrog roj hmab hoses siv ob txoj kev, crimping thiab swaging. Nrog rau txoj kev crimping, compressive rog yog siv radially rau sab nraud (ferrule) ntawm qhov kawg haum nrog lub puab qia tso rau hauv qhov kawg ntawm lub hose. Lub crimped kawg haum tuaj yeem pom tau meej meej los ntawm kev pom tseeb ntawm qhov chaw sab nraud ntawm qhov kawg haum (saib Daim duab 5). Nrog rau txoj kev swaging, qhov kawg haum yog txuas mus rau lub hose thaum kawg haum raug thawb mus rau qhov kawg ntawm hose nyob rau hauv hydraulic siab. Txawm hais tias yuav muaj qee qhov cim ntawm qhov kawg haum los ntawm cov txheej txheem tsim, swaged kawg fittings tsis muaj qhov pom tseeb indentations zoo li crimped kawg haum. Diam duab 2 yog ib qho piv txwv ntawm qhov kawg swaged haum uas yog ib feem ntawm lub hose.

Txawm hais tias crimping thiab swaging yog qhov sib txawv, ob qho tib si txoj kev vam khom ntau ntawm kev siv cov khoom zoo ntawm qhov raug kam rau ua nrog rau kev ua kom cov txheej txheem nruj rau txuas qhov kawg fittings ua raws.

Hose manufacturers feem ntau tsuas yog lees paub tias lawv cov hose muaj peev xwm tiv taus cov kev cai tshwj xeeb thaum muaj cov kav dej zoo kawg nkaus. Qee cov hose manufacturers ua haujlwm raws li lub tswv yim ntawm asib phimqhov twg lawv yuav tsuas lav lawv hose rau lub siab tshaj plaws, thaum kawg fittings los ntawm ib tug tshwj xeeb chaw tsim tshuaj paus siv ib tug verifiable crimping los yog swaging txoj kev.

Thaum sib dhos kawg fittings ntawm hoses xyuas kom meej:

• ua raws li tag nrho cov xwm txheej tau teev tseg los ntawm lub hose thiab / lossis qhov kawg haum chaw tsim khoom
• cov khoom siv hose thiab qhov ntev yog tsim nyog rau kev siv cov pob zeb ua vaj tse thiab rau kev sib haum xeeb ntawm qhov tshwj xeeb ntawm qhov kawg haum
• qhov loj ntawm sab nraud thiab sab hauv ntawm qhov haum yuav tsum yog nyob rau hauv qhov kam rau ua tau teev tseg los ntawm cov chaw tsim khoom hose lossis cov chaw tsim khoom haum rau qhov ntev ntawm lub hose siv.
• txoj kev txuas qhov kawg haum yuav tsum ua raws li cov lus qhia ntawm cov chaw tsim khoom (cov ntaub ntawv los ntawm cov chaw tsim khoom hose kuj yuav xav tau).

Kev ntsuam xyuas qhov kawg haum yog ib txoj hauv kev los pab ua kom pom kev ncaj ncees ntawm kev sib txuas. Kev soj ntsuam pov thawj ntawm tag nrho cov fittings los yog kev puas tsuaj ntawm cov qauv yog cov txheej txheem uas yuav siv tau. Yog tias qhov kev ntsuas pov thawj tau ua tiav, txoj kev sim yuav tsum tau ua kom lub fitting thiab hose tsis puas.

Tom qab txuas qhov kawg haum rau lub hose, qhov haum yuav tsum tau cim tas mus li nrog cov ntaub ntawv ntawm tus lej batch thiab cov cim cim ntawm lub tuam txhab txuas qhov kawg haum. Qhov no yuav pab nrog traceability thiab authentication ntawm cov txheej txheem sib dhos. Txoj kev kos npe yuav tsum tsis txhob cuam tshuam rau kev ncaj ncees ntawm lub hose los ua ke.

Yog tias muaj kev tsis ntseeg txog cov txheej txheem tsim khoom lossis kev kuaj xyuas ntsig txog qhov kawg haum, cov lus qhia ntawm cov khoom siv thawj zaug (OEM) yuav tsum tau txais. Yog tias qhov no tsis muaj, yuav tsum tau txais cov lus qhia ntawm tus kws tshaj lij uas tsim nyog tsim nyog.

Cov ntaub ntawv pov thawj ntawm txoj kev txuas qhov kawg haum yuav tsum tau khaws cia los ntawm kev lag luam txuas qhov kawg haum thiab yuav tsum muaj nyob rau ntawm kev thov.

Vuam flanges rau steel yeeb nkab

Vuam flanges rau steel piping siv rau pob zeb twj tso kua mis yog ib qho teeb meem nyuaj thiab yuav tsum tau muaj cov tswv yim thiab kev txawj ntse los xyuas kom meej cov txheej txheem vuam yuav ua rau cov khoom zoo.

Cov hauv qab no yuav tsum tau ua kom ntseeg tau:

• Tsuas yog cov yeeb nkab tshwj xeeb rau kev siv cov pob zeb ua vaj tse yuav tsum tau siv. Ua ntej vuam, yuav tsum muaj qee txoj kev txhim khu kev qha los xyuas kom meej tias cov yeeb nkab thiab flanges yog hom tiag tiag.
• Cov kev qhia tshwj xeeb ntawm vuam yuav tsum tau sib haum rau cov yeeb nkab thiab cov khoom flange cov yam ntxwv thiab cov ntsiab lus siab ntawm cov yeeb nkab tau welded. Cov ntaub ntawv yuav tsum tau txais los ntawm cov chaw tsim khoom yeeb nkab ntawm qhov teeb meem no.
• Vuam yuav tsum tau ua raws li cov txheej txheem vuam cov ntsiab lus uas suav nrog kev xaiv electrode, cov lus qhia ua ntej cua sov (qhov xav tau) thiab siv txoj kev vuam uas tau pom zoo los ntawm cov chaw tsim khoom siv yeeb nkab.
• Ua qhov kev sim ua kom puas tsuaj ntawm cov qauv ntsuas kom paub tseeb tias txoj kev vuam yog haum rau lub hom phiaj.

Kev tshuaj xyuas cov hoses thiab cov kav dej

Cov tswv thiab cov neeg ua haujlwm ntawm cov khoom siv twj tso kua mis yuav tsum tau ua kom muaj kev tshuaj xyuas tsis tu ncua ntawm cov kav dej thiab cov kav dej. Kev tshuaj xyuas txoj hauv kev thiab ncua sij hawm rau kev ntsuas cov yeeb nkab thickness yog teev nyob rau hauvTxoj Cai Pumping Code of Practice 2019(PDF, 1.97 MB). Txawm li cas los xij, ntxiv rau, ib qho kev tshuaj xyuas yuav tsum tau siv rau qhov kawg fittings ntawm cov roj hmab hoses thiab flanges ntawm cov kav hlau.

Kev tshuaj xyuas cov hoses

Cov ntaub ntawv pov thawj ntawm kev tshuaj xyuas cov hoses (piv txwv li los ntawm OEM), yuav tsum tau muab los ntawm cov lag luam uas haum rau qhov kawg haum thiab qhov no yuav tsum raug xa mus los ntawm tus neeg xa khoom hose mus rau tus neeg siv kawg.

Qhov kev tshuaj ntsuam xyuas yuav tsum suav nrog kev tshuaj xyuas ua ntej siv thiab kev tshuaj xyuas ib ntus nrog lub sijhawm raws li kev siv ntau zaus thiab qhov chaw ua haujlwm.

Qhov kev tshuaj ntsuam xyuas yuav tsum muaj xws li:

• Kev tshuaj xyuas sab hauv nrog cov teeb pom kev txaus los kuaj xyuas cov raj hose yog qhov tsim nyog, tsis muaj cov ntaub ntawv xov xwm lossis cov hlau txuas ntxiv, tsis muaj qhov thaiv, rips, txiav los yog kua muag ntawm lub raj raj, thiab tsis muaj qhov sib tsoo ntawm lub raj sab hauv. lub cev
• Kev tshuaj xyuas sab nraud los kuaj xyuas qhov kev puas tsuaj nrog rau kev txiav, kua muag, puas ntsoog nthuav tawm cov khoom siv ntxiv, tshuaj tua kab mob, kinks lossis qhov chaw tawg, qhov muag muag, tawg lossis huab cua
• Kev tshuaj xyuas qhov kawg fittings rau kev hnav ntau dhau thiab thinning ntawm phab ntsa thickness
• kev tshuaj xyuas qhov kawg fittings rau cov kab nrib pleb. Yog tias muaj kev tsis ntseeg lossis muaj keeb kwm ntawm kev tawg, yuav tsum tau kuaj xyuas tsis muaj kev puas tsuaj
• xyuas qhov kawg fittings yog zoo lawm thiab tsis plam ntawm lub hose vim muaj hnub nyoog laus los yog los ntawm mechanical rub loads.

Tshawb xyuas welded flanges ntawm cov yeeb nkab steel

Ntxiv rau qhov kev ntsuam xyuas tuab ntawm cov kav dej steel (tseem ceeb hauv Txoj Cai Tswjfwm) thiab kuaj xyuas cov kav dej kom puas tsuaj, nws yog ib qho tseem ceeb uas yuav tsum tau xyuas cov flanges ntawm cov kav dej ua vaj tse.

Qhov kev tshuaj ntsuam xyuas yuav tsum suav nrog kev tshuaj xyuas:

• welds rau tawg, tsis muaj weld, weld undercut thiab weld sib xws
• flanges los xyuas lawv tsis deformed thiab tsis muaj rauj cov cim
• yeeb nkab xaus rau sab hauv rau kev hnav tsis sib xws thiab tawg
• flanges kom ntseeg tau tias lawv tsis pub dawb los ntawm cov pob zeb tsim thiab lwm yam khoom txawv teb chaws.