CovJohn Crane 502 mechanical foobyog ib qho - caij nplooj ntoos hlav, elastomer bellows foob engineered rau kev txhim khu kev qha thoob plaws xav tau kev siv twj tso kua mis. Tsis zoo li cov pa pusher-style seals, nws tsis yog-pusher bellows tsim tshem tawm cov ncej fretting thiab dynamic O-ring hang-up - ob qho tib si tsis ua hauj lwm ua rau hauv cov khoom siv teb. Ua haujlwm thoob plaws qhov kub ntawm -40℃rau +180 degree, siab txog li 25 bar, thiab ncej qhov ntau thiab tsawg los ntawm 12mm mus rau 100mm, lub foob no tau txais nws lub koob npe nrov hauv kev kho dej, tshuaj ua haujlwm, thiab kev kho twj tso kua mis thoob ntiaj teb. Kev nkag siab txog nws cov yam ntxwv tseem ceeb pab cov kws kho tsheb thiab cov kws tshaj lij kev tsim khoom ua kom muaj txiaj ntsig zoo dua, kev txiav txim siab nrhiav nyiaj txiag zoo dua.
Nkag siab txog John Crane 502 Mechanical Seal: Specifications and Design Features
Technical Parameters uas txhais tau tias nws versatility
John Crane 502 mechanical seal yuav siv tau rau ntau qhov sib txawv. Cov no yog cov pov thawj txwv ntawm kev ua tau zoo:
Qhov kub thiab txias: -40℃rau +180 degree
Qhov siab tshaj plaws: Tsawg dua lossis sib npaug li 25 bar
Ncej ceev tshaj plaws: Tsawg dua lossis sib npaug li 15 m / s
Ncej loj npog: 12mm - 100mm
Raws li cov specs no, nws yog ib nrab ntawm -ntau cov neeg ua haujlwm muaj peev xwm siv tau rau cov twj centrifugal, tov khoom, thiab compressors hauv cov nroj tsuag tshuaj, cov dej hauv nroog, thiab cov chaw lag luam dav dav [1].
Xaiv cov ntaub ntawv raug yog ib feem tseem ceeb ntawm kev tsim. Muaj plaub hom foob pob: A rau carbon, B rau ceramic, Q1 / Q2 rau silicon carbide, thiab U1 / U2 rau tungsten carbide. VITON (FKM), EPDM, NBR, FFKM, thiab AFLAS yog txhua hom elastomers. Stainless hlau 304 yog siv los ua hlau qhov chaw. Qhov kev sib xyaw no ua rau cov tshuaj sib xyaw ua ke nrog ntau cov xov xwm sib txawv, los ntawm cov dej huv mus rau cov kua dej uas ntxhib me ntsis [2].
Lub hauv paus 'cov duab ua kom paub tseeb tias lub caij nplooj ntoos hlav axial yog sib npaug ntawm lub ntsej muag foob. Qhov no ua rau lub ntsej muag sib npaug txawm tias hnav tshwm sim dhau sijhawm. Qhov no tus kheej - kev them nyiaj tus cwj pwm txo qis tus naj npawb ntawm cov sij hawm hloov pauv, uas ncaj qha ua rau txo nqi kho.
Yuav ua li cas John Crane 502 Mechanical Seal Ua Haujlwm: Ib qho kev sib tsoo
Txoj Cai Tsis yog-Pusher Bellows
Cov roj hmab daim di ncauj uas ua raws li lub caij nplooj ntoos hlav thiab lub foob thib ob yog dab tsi ua rau John Crane 502 mechanical seal tshwj xeeb ntawm engineering. Lub ntsej muag rotating ntawm ib txwm pusher foob yog thawb tawm tsam lub rooj zaum ruaj khov los ntawm lub caij nplooj ntoos hlav sib cais, thiab O- nplhaib swb raws li tus ncej. O-Ring uas swb yog qhov txuas tsis muaj zog; nws ua rau tus ncej fret thiab tau daig thaum deposits tsim, raws li pom nyob rau hauv ib tugEagle burgmann sib npaug foob.
John Crane 502 txhua yam foob tau tshem ntawm qhov teeb meem no tag nrho. Lub tshuab nqus tsev txav mus rau hauv qhov kev taw qhia axial, uas ua rau lub ntsej muag foob tiv thaiv lub rooj zaum tsis muaj lub foob thib ob uas swb. Qhov no ua rau kom muaj kev sib cuag zoo nrog cov khoom txav tsawg, uas ncaj qha txhais tau tias muaj feem tsawg ntawm kev ua tsis tiav hauv cov xwm txheej uas muaj cov khoom ntxhib lossis cov xov xwm fibrous.
Component Roles thiab Installation Guide
Plaub qhov uas ua rau lub foob sib dhos yog lub taub hau spinning (uas muaj lub caij nplooj ntoos hlav ua hauv), lub rooj zaum ruaj khov, lub ntsej muag foob, thiab cov khoom siv tsav tsheb. Ua ntej muab tag nrho ua ke, txhua qhov yuav tsum tau kuaj xyuas.
Txhawm rau txhim kho kom raug, cov kauj ruam no yuav tsum tau ua:
Ntxuav lub ncej thiab foob chamber kom huv si ua ntej haum; tej grit los yog burr yuav ua rau lub tog hauv ncoo thiab lub ntsej muag tsawg.
Lubricate cov khoom elastomer maj mam nrog cov kua sib xws - tsis txhob roj av roj ntawm EPDM.
Xyuas kom cov ncej runout tsis tshaj 0.05mm TIR; ntau dhau runout accelerates lub ntsej muag hnav txawm nyob rau hauv ib tug bellows tsim.
Paub meej tias axial teeb qhov ntev tiv thaiv cov khoom siv kos duab; compression tsis raug ua rau tsis sib xws ntawm lub ntsej muag lossis lub suab nrov tshaj - txuas ntxiv.
Ua raws li cov kauj ruam no tshem tawm cov teeb meem feem ntau ntawm kev teeb tsa uas ua rau kom ntxov ntxov ntxov thiab raug nqi ntau dua. Lub tshuab nqus tsev tsim tuaj yeem tswj tau qee qhov ncej wobble thiab xaus kev ua si, tab sis nws tsis yog qhov hloov pauv rau kev qhuab qhia kom raug.
Kev tu thiab kev daws teeb meem: Ua kom lub neej ntev ntawm 502 foob
Cov txheej txheem tshuaj xyuas niaj hnub
Kev kho lub twj tso kua mis tsis tu ncua yuav tsum suav nrog kev kuaj xyuas los ntawm pab pawg saib xyuas. Yog hais tias cov khoom siv hauv qab no tawg rau ntawm qhov chaw, swells chemically, los yog hardens, txhais tau tias cov roj hmab qib tsis ua hauj lwm nrog cov txheej txheem kua. Tshawb xyuas lub foob sab rau concentric hnav qauv. Yog hais tias qhov hnav tsis ncaj, nws txhais tau hais tias cov ncej tsis zoo sib xws los yog cov bearings hnav tawm ua ntej ntawm lub foob.
Kev daws cov hom kev ua tsis tiav
Muaj ob hom kev ua tsis tiav uas ua rau feem ntau ntawm John Crane 502 mechanical seal units ua tsis tiav hauv kev pabcuam abrasive:
Accelerated lub ntsej muag hnav los ntawm cov khoom particle ingress: cov khoom uas tau txais mus rau hauv lub twj tso kua mis nruab nrab ceev lub ntsej muag hnav. Cov khoom txav ntawm lub ntsej muag lub ntsej muag thiab ua raws li qhov sib xyaw ua ke thaum muaj cov khib nyiab tshem tawm hauv xov xwm, uas tshwm sim ntau hauv kev kho dej khib nyiab thiab kev siv cov mining slurry. Hloov lub ntsej muag ua ke los ntawm Carbon / Ceramic rau SiC / SiC lossis TC / TC ua rau lub neej ua haujlwm ntev dua. Silicon Carbide sab yog nyuaj dua 2,500 HV, yog li lawv zoo dua ntawm kev txwv tsis pub hnav dua li cov ntaub ntawv softer [3].
Bellows degradation los ntawm chemical incompatibility: Tshuaj incompatibility tuaj yeem ua rau lub plab zom mov. Yog tias cov txheej txheem cov kua dej nkag mus rau hauv kev sib cuag nrog cov roj hmab tsis sib xws, lub hauv caug poob nws qhov yooj yim thiab tawg. Qhov teeb meem no ib txwm kho los ntawm kev hloov ntawm NBR mus rau VITON rau hydrocarbon media lossis EPDM rau alkaline dej- raws li kev kho mob.
Cov ntaub ntawv pov thawj los ntawm cov neeg ua haujlwm twj tso kua mis qhia tau hais tias xaiv lub ntsej muag zoo thiab elastomer sib xyaw thaum pib tuaj yeem nce lub sijhawm nruab nrab ntawm kev kho los ntawm 40-60% piv rau kev siv cov khoom siv teeb tsa [4].
Muab piv rau 502 nrog Lwm Txoj Kev: Ua Kev Xaiv Cov Lus Qhia
John Crane 502 mechanical seal stands from other products on the market. Hom 501 yog qhov qub, tsim qauv yooj yim dua. Nws ua haujlwm zoo nrog dej huv tab sis tsis muaj tshuaj tiv thaiv ntawm 502'sroj hmab foob foobntau. Hom 503 yog tsim los rau cov haujlwm uas muaj qhov kub thiab txias siab, thiab feem ntau nws raug nqi ntau dua. Thaum siv 502 rau qee yam haujlwm, xaiv 503 ntxiv tus nqi yam tsis tau txhim kho kev ua haujlwm.
Thaum piv rau thib peb - tog xaiv xws li EagleBurgmann MG1 thiab AESSEAL M01, 502 ua haujlwm zoo ntawm kev ntsuas qhov ntev thiab muab ntau yam ntawm elastomers. Qhov sib txawv tseem ceeb yog tus nqi ntawm cov khoom siv thiab lawv cov khoom siv. Cov khoom sib npaug tom qab uas tuav qhov sib npaug ntawm qhov sib npaug thiab cov khoom sib npaug sib npaug muab qhov sib piv kev sib khi ua haujlwm tsis yog -tseem ceeb lossis nqi- cov ntawv thov rhiab heev - uas yog raws nraim cov ntaub ntawv siv uas cov kws kho tsheb nrhiav kom txo cov kev siv nyiaj ua haujlwm yam tsis tau txais kev pheej hmoo ua tsis tiav.
Kev txiav txim siab txog kev yuav khoom: Lub Uttox Aftermarket Hloov
Vim li cas engineers xaiv Aftermarket Equivalents
Thawj cov khoom siv foob tus nqi yog ib feem loj ntawm kev siv nyiaj txiag, tshwj xeeb tshaj yog rau cov tuam txhab kev pabcuam uas yuav tsum tau nrog ntau lub twj tso kua mis qauv ib zaug. Tom qab kev muag khoom 502-sib npaug sib npaug los ntawm cov neeg tsim khoom pom zoo tuaj yeem siv los hloov pauv thiab muaj qhov loj tib yam tab sis raug nqi 30-50% tsawg dua rau ib chav. Rau kev ua haujlwm txij nkawm ua 50-100 lub foob hloov ib xyoos, qhov sib txawv no yog cov khoom siv.
Raws li nyob rau hauv Zhejiang, Tuam Tshoj, Uttox yog lub tuam txhab kev sib tsoo tshuab nrog ntau tshaj 30 xyoo ntawm kev paub. Lawv muab ib qho ncaj qha - hloov pauv hloov uas ua haujlwm nrog John Crane 502 txhua yam foob. Uttox 502- hom foob haum rau qhov kev ntsuas qhov qub, cov khoom siv ntsej muag, thiab kev xaiv elastomer. Nws los hauv Uttox-branded ntim thiab pom tseeb tias yog Hom 502 sib npaug. Qhov no txhais tau hais tias qhov chaw yog qhov tseeb, thiab cov ntaub ntawv khaws cia tuaj yeem taug qab.
Nov yog cov txiaj ntsig tseem ceeb ntawm cov cuab yeej no coj mus rau kev yuav khoom:
Cov khoom siv yooj yim: Cov ntsej muag xaiv suav nrog Carbon / Ceramic, SiC / SiC, thiab TC / TC pairings; elastomers npog VITON, EPDM, NBR, FFKM, thiab AFLAS kom phim cov txheej txheem chemistry.
Tsawg MOQ thiab cov qauv muaj nyob: Koj tuaj yeem tau txais ib qho -cov qauv ua ntej koj cog lus rau kev yuav ntau, uas txo qhov kev pheej hmoo ntawm kev sim rau kev sib raug zoo ntawm kev yuav khoom tshiab.
Qhov dav dav dav dav dav dav dav: ntau yam ntawm qhov ntau thiab tsawg, los ntawm 12 hli mus rau 100 hli, txhais tau hais tias John Crane 502 txhua yam foob tuaj yeem siv nrog ntau lub twj tso kua mis.
Kev xa khoom sai: Muaj ntau cov Tshuag ntawm tes txhais tau tias lub sij hawm luv luv, uas yog ib qho tseem ceeb heev thaum lub twj tso kua mis downtime nqi nyiaj hauv kev tsim khoom.
Cov txiaj ntsig zoo no ua rau Uttox 502-tshaj foob qhov kev xaiv ua tau zoo rau cov tuam txhab kev pabcuam kev pabcuam nrhiav tus neeg muag khoom txhim khu kev qha uas tuaj yeem ntsuas nrog lawv cov ntim ua haujlwm. Mus ntsib www.uttox.com kom paub ntau ntxiv txog cov khoom.
Xaus
CovJohn Crane 502 mechanical foobua haujlwm tsis tu ncua ua tsaug rau nws cov elastomer bellows tsim, muaj peev xwm ua haujlwm nrog ntau yam khoom siv, thiab muaj peev xwm ua haujlwm tsis zoo. Nws tsis yog - tus qauv pusher txiav rau txoj hauv kev uas cov ntsaws ruaj ruaj tsis tu ncua ua rau hauv qhov chaw ntxhib lossis tshuaj lom neeg. Rau cov kws kho tsheb thiab cov kws tshaj lij kev muag khoom uas tswj hwm ntau yam - cov twj tso kua mis, kev nkag siab txog cov qauv tsim no txhim kho qhov raug xaiv thiab txo qhov kev ua tsis tiav. Kev hloov pauv tom qab ua los ntawm cov tuam txhab txawj ntse yog ib txoj hauv kev pheej yig kom ua tiav qib ntawm kev ua tau zoo yam tsis tas yuav them tus nqi siab ntawm OEM cov khoom siv.
FAQ
Q1: Puas yog Uttox 502-hom foob qhov ntev zoo ib yam rau thawj JC 502?
Yog lawm. Lub foob hloov los ntawm Uttox yog ua kom haum raws li qhov sib npaug ntawm qhov loj me rau John Crane 502 txhua yam foob. Nws nruab ncaj qha mus rau hauv lub twj tso kua mis chamber Ameslikas haum nrog JC 502 foob yam tsis muaj kev hloov kho.
Q2: Cov khoom siv ntsej muag twg kuv yuav tsum xaiv rau kev pabcuam abrasive slurry?
SiC/SiC los yog TC/TC lub ntsej muag ua ke tau pom zoo rau cov ntawv thov cuam tshuam nrog cov khoom raug tshem tawm. Ob cov ntaub ntawv tseem ceeb tshaj tawm Carbon / Ceramic nyob rau hauv abrasive tej yam kev mob vim lawv superior hardness.
Q3: Lub 502 bellows puas tuaj yeem ua haujlwm lub tshuab nqus tsev?
Tus tsim ntawm lub tshuab nqus tsev nqus tsev vacuum. Rau cov ntawv thov nqus dej tob, hu rau tus neeg muag khoom rau ob npaug - foob lossis kev txhawb nqa sab hauv yog pom zoo kom tsis txhob muaj qhov hloov pauv.
Q4: Dab tsi ua rau ntxov ntxov plab tawg?
Qhov laj thawj tseem ceeb yog cov txheej txheem kua dej thiab qib roj hmab tsis hnov mob rau ib leeg. Ua ntej xaiv NBR, EPDM, VITON, FFKM, lossis AFLAS, koj yuav tsum nco ntsoov sib piv cov kua nruab nrab rau cov roj hmab tshuaj tiv thaiv kab mob.
Q5: Dab tsi yog qhov tsawg kawg nkaus txiav txim kom muaj nuj nqis rau Uttox 502-sib npaug sib npaug?
Uttox muaj ib qho -cov qauv rau kev kuaj kev tsim nyog. Batch nqi uas hloov tau tuaj yeem ua haujlwm rau ob lub khw kho me me thiab cov tuam txhab kev pabcuam loj.
Koom tes nrog Uttox rau Koj Tom ntej John Crane 502 Mechanical Seal Order
Uttox coj 30 xyoo ntawm kev tsim kev txawj ntse rau txhua lub foob peb tsim. PebJohn Crane 502 mechanical foobCov chaw tsim khoom muaj peev xwm npog tag nrho cov khoom siv ntsej muag, elastomers, thiab qhov ntau thiab tsawg ntawm ncej - txhawb nqa los ntawm pab pawg kws tshaj lij uas muab kev qhia xaiv dawb. Txawm hais tias koj xav tau ib qho kev sim me me lossis daim ntawv cog lus muag khoom, tiv tauj peb ntawm info@uttox.com lossis mus ntsib www.uttox.com kom thov tus qauv, lees paub qhov tshwj xeeb, lossis sib tham txog tus nqi ntim.
Cov ntaub ntawv
1. Lub koom haum Hydraulic. (2023). Pump Standards thiab Application Guidelines. Lub koom haum Hydraulic.
2. European Sealing Association. (2022). Mechanical Seal Selection and Application Guide. ESA Technical Publication.
3. Stachowiak, GW, & Batchelor, AW (2014). Engineering Tribology (4th ed.). Butterworth -Heinemann.
4. Bloch, HP, & Budris, AR (2021). Pump User's Handbook: Life Extension (4th ed.). Fairmont Xovxwm.
5. American National Standards Institute. (2022). ANSI/ASME B73.1: Specification rau Kab rov tav End Suction Centrifugal Pumps. ASME.
6. Müller, HK, & Nau, BS (1998). Fluid Sealing Technology: Cov Ntsiab Cai thiab Daim Ntawv Thov. Marcel Dekker.
