Kev Taw Qhia
Kev xaiv ntawm lub foob hlau bellows thiab lub foob elastomer bellows cuam tshuam ntau dua li qhov haum lossis tus nqi: nws txiav txim siab seb lub twj tso kua mis tswj tau cua sov, tshuaj lom neeg tawm tsam, kev txav ntawm lub qhov, thiab lub sijhawm ua haujlwm ntev npaum li cas. Tsab xov xwm no piav qhia txog qhov sib txawv ntawm ob qho kev tsim, nrog rau kev tsom mus rau qhov twg lub foob hlau bellows mechanical muab cov txiaj ntsig meej meej los ntawm kev tshem tawm cov ntsiab lus tsis ua haujlwm ntsig txog elastomer. Koj yuav kawm paub tias cov xwm txheej ua haujlwm twg nyiam txhua qhov kev xaiv, kev ua tau zoo twg yuav tsum tau cia siab, thiab yuav ua li cas los ntsuas kev ntseeg tau, kev xav tau txij nkawm, thiab tus nqi lub neej ua ntej ua qhov kev xaiv.
Yuav Ua Li Cas Soj Ntsuam Xyuas Lub Rooj Sib Tham Mechanical Seal Hlau Bellows
Kev xaiv cov thev naus laus zis sealing kom raug yog qhov kev txiav txim siab tseem ceeb hauv kev tsim kho uas qhia txog kev ntseeg tau, kev nyab xeeb, thiab kev saib xyuas ntawm cov khoom siv tig hauv kev lag luam. Qhov nruab nrab ntawm qhov kev txiav txim siab no yog kev xaiv ntawm cov foob pob hluav taws elastomer ib txwm muaj thiabhlau bellows mechanical sealTxawm hais tias elastomers ua haujlwm tau zoo hauv cov ntawv thov tus qauv, cov chaw ua haujlwm hnyav xav tau kev daws teeb meem zoo dua.
Ib lub foob hlau uas siv lub tshuab nqus pa hloov lub foob thib ob uas hloov pauv tau yooj yim—feem ntau yog lub nplhaib elastomer O—nrog lub plawv hlau uas txuas ntxiv mus thiab yoog tau. Qhov kev hloov pauv tseem ceeb no hauv kev tsim qauv tshem tawm qhov tsis muaj zog uas cuam tshuam nrog kev puas tsuaj ntawm elastomer, muab qhov zoo dua ntawm kev siv tshuab hauv cov xwm txheej tshwj xeeb ntawm kev tswj cov kua dej.
Vim li cas kev xaiv thiaj cuam tshuam rau kev ntseeg tau thiab tus nqi siv tas mus li
Qhov sib raug zoo ntawmkev xaiv cov khoom siv foobthiab kev ntseeg siab ntawm lub Hoobkas mus sij hawm ntev tsis tuaj yeem hais ntau dhau. Hauv cov txheej txheem ua haujlwm nyuaj, kev ua tsis tiav ntawm lub foob pob suav txog ze li ntawm 70% ntawm tag nrho lub sijhawm tsis ua haujlwm ntawm lub twj tso kua mis. Kev hloov kho mus rau qhov tsim hlau bellows hauv cov ntawv thov nrog cov xov xwm nruj tuaj yeem hloov pauv Lub Sijhawm Nruab Nrab Ntawm Kev Ua Tsis Tau Zoo (MTBF).
Piv txwv li, cov twj centrifugal uas ua haujlwm hauv cov chaw ua roj kub siab feem ntau pom lub foob pusher MTBF nyob ruaj khov ntawm 12 txog 18 lub hlis vim yog elastomer hardening. Los ntawm kev hloov mus rau lub foob hlau bellows uas tau teev tseg kom raug, cov chaw ua haujlwm feem ntau txuas ntxiv MTBF mus rau ntau dua 36 txog 60 lub hlis. Txawm hais tias tus nqi pib siv rau lub tshuab bellows hlau siab dua, tus nqi siv lub neej (LCC) poob qis sai sai thaum suav nrog kev tshem tawm cov kev tsis ua haujlwm tsis tau npaj tseg, txo cov neeg ua haujlwm txij nkawm, thiab tsis tas yuav hloov lub tes tsho ncej.
Cov xwm txheej ua haujlwm yuav ua li cas rau kev xaiv lub foob
Cov kev ntsuas ua haujlwm—tshwj xeeb yog qhov kub, kev ua haujlwm ntawm cov tshuaj lom neeg, thiab cov kua viscosity—yog cov tsav tsheb tseem ceeb hauv kev xaiv cov foob. Cov fluoroelastomers txheem (FKM) lossis perfluoroelastomers (FFKM) feem ntau qhia txog kev puas tsuaj thermal lossis extrusion thaum qhov kub ua haujlwm tas mus li tshaj 200 ° C txog 260 ° C (392 ° F txog 500 ° F).
Ntawm qhov tod tes, cov hlau bellows uas tau vuam los ntawm ntug uas ua los ntawm cov hlau alloys ua tau zoo tuaj yeem tiv taus qhov kub thiab txias ua haujlwm tas mus li tshaj 400 ° C (750 ° F) yam tsis poob qhov ruaj khov ntawm cov qauv lossis lub caij nplooj ntoos hlav nruj. Ntxiv mus, cov xwm txheej ua haujlwm ntawm qhov tod tes ua rau muaj kev xaiv zoo sib xws; cov ntawv thov cryogenic ua haujlwm qis dua -75 ° C (-103 ° F) ua rau elastomers tawg thiab tawg, ua rau cov hlau bellows tsuas yog qhov kev xaiv engineering rau kev ruaj khov ntawm lub ntsej muag.
Cov Khoom Siv Hlau Bellows vs Pusher Mechanical Seals
Yuav kom ua tau ib qho kev qhia tshwj xeeb, cov engineers yuav tsum nkag siab txog qhov sib txawv ntawm cov pusher seals thiab cov hlau bellows seals uas tsis yog pusher. Lub pusher seal siv cov dynamic secondary elastomer uas yuav tsum txav mus los, lossis "thawb," raws lub twj tso kua mis lossis lub tes tsho kom them rau qhov hnav ntawm lub ntsej muag seal thiab thermal expansion. Lub hlau bellows seal yog ib qho tsim uas tsis yog pusher.
Hauv qhov kev teeb tsa tsis yog-pusher, lub bellows unit nws tus kheej yog statically kaw rau lub ncej lossis lub tes tsho, feem ntau ntawm static O-ring lossis graphite wedge. Tag nrho cov axial txav uas yuav tsum tau tswj lub ntsej muag sib cuag yog nqus los ntawm flexing ntawm cov hlau convolutions, tshem tawm tag nrho qhov xav tau rau elastomer kom swb dynamically.
Yuav ua li cas txhua tus qauv tsim kom muaj kev ywj pheej thiab kev thauj khoom ntsej muag
Cov qauv tsim ntawm lub thawb siv ib lossis ntau lub caij nplooj ntoos hlav los muab lub zog kaw uas tsim nyog rau ntawm lub ntsej muag foob. Thaum lub nplhaib O-ring txav mus los tswj qhov kev thauj khoom no, cov khoom me me tuaj yeem sib sau ua ke ntawm tus ncej, ua rau lub elastomer dai. Qhov dai no ua rau lub ntsej muag sib cais thiab xau tam sim ntawd. Ntxiv mus, qhov kev txav me me tas li ntawm lub nplhaib O-ring tawm tsam qhov chaw hlau feem ntau ua rau lub ncej ntxhov siab heev.
Ib lub foob hlau uas siv lub tshuab foob pob hluav taws daws cov teeb meem no los ntawm kev xa cov khoom sib npaug, 360-degree lub ntsej muag thauj khoom ncaj qha los ntawm cov hlau convolutions. Vim tias tsis muaj kev sib txhuam ntawm cov elastomer theem ob, kev sib txhuam ntawm lub ncej raug tshem tawm tag nrho. Kev faib tawm ntawm lub caij nplooj ntoos hlav siab kuj txo qhov kev cuam tshuam ntawm lub ntsej muag, tswj kom muaj qhov sib txawv ntawm kev sib khi hauv qab kev ntxhov siab hloov pauv.
Cov kev txwv kev ua haujlwm twg tseem ceeb tshaj plaws
Kev nkag siab txog qhov txwv kev ua haujlwm tseeb ntawm ob qho qauv tsim yog qhov tseem ceeb rau kev tiv thaiv kev puas tsuaj loj heev ntawm lub twj tso kua mis. Viscosity thiab particulate concentration yog cov yam tseem ceeb uas hnyav heev. Cov caij nplooj ntoos hlav foob Pusher muaj kev phom sij heev rau kev txhaws thaum cov kua viscosity tshaj 1,500 cSt lossis thaum cov khoom seem sib sau ua ke hauv cov hnab tshos caij nplooj ntoos hlav.
| Kev Ntsuas Ua Haujlwm | Pusher Mechanical Seal | Cov Hlau Bellows Foob |
|---|---|---|
| Kub Tshaj Plaws (Ib txwm muaj) | 200 ° C (Txwv los ntawm elastomer) | 400°C+ (nyob ntawm cov hlau sib xyaw) |
| Kev Tswj Xyuas Qhov Siab Tshaj Plaws | ~1,500 cSt | ~3,000 cSt |
| Muaj peev xwm ua kom lub zog ntawm lub ncej | Siab (Dynamic O-ring) | Xoom (Lub foob thib ob ruaj khov) |
| Kev kam rau ua me me | Qis (Cov springs txhaws yooj yim) | Siab (Kev tig sab nraud uas ntxuav tau tus kheej) |
Vim tias cov hlau bellows tsis muaj lub hnab tshos nruj, lawv tswj cov viscosities txog li 3,000 cSt ua ntej yuav tsum tau hloov kho tshwj xeeb. Thaum teeb tsa ua lub bellows tig, lub zog centrifugal nquag pov cov particulates tawm ntawm cov convolutions, muab cov nyhuv ntxuav tus kheej uas cov foob pusher tsis tuaj yeem rov ua dua.
Cov Qauv Tseem Ceeb rau Kev Sib Piv ntawm Lub Cim
Kev sib piv cov hom foob yuav tsum tau muaj kev tshuaj xyuas tsis tu ncua ntawm cov qib kev ua tau zoo, kev cuam tshuam rau kev lag luam, thiab cov qauv kev ua raws li ib puag ncig. Cov pab pawg engineering yuav tsum ntsuas qhov muaj peev xwm kho tshuab tam sim ntawd piv rau qhov kev ua haujlwm ntev ntawm cov khoom siv.
Txawm hais tias cov hlau bellows ua tau zoo hauv cov xwm txheej hnyav, lawv qhov kev xaiv yuav tsum tau ua pov thawj los ntawm kev sib phim cov qauv nruj, xyuas kom meej tias cov thev naus laus zis sib haum nrog ob qho tib si cov txheej txheem xav tau thiabcov tswv yim saib xyuas cov nroj tsuag.
Yuav ua li cas piv cov yam ntxwv kev ua tau zoo
Kev sib piv kev ua tau zoo nyob ntawm qhov txwv siab thiab qhov ceev ntawm lub qws. Cov foob pob, tshwj xeeb tshaj yog cov uas muaj kev tsim qauv sib npaug, muaj peev xwm ua tau zoo heev rau kev tswj hwm qhov siab heev, feem ntau ntsuas rau qhov chaw siab tshaj 100 bar (1,450 psi). Cov hlau bellows, thaum yoog tau yooj yim heev, ntsib cov kev txwv ntawm cov qauv hais txog qhov siab.
Cov hlau bellows txheem feem ntau tsuas yog siv tau li ntawm 20 bar (290 psi). Cov hlau bellows uas vuam ntug zoo tuaj yeem txuas ntxiv qhov kev txwv no mus txog 69 bar (1,000 psi), tab sis lawv tseem rhiab heev rau qhov siab dua li cov foob pusher hnyav. Thaum piv rau qhov ceev ntawm lub qhov, cov hlau bellows zoo tuaj yeem ua haujlwm tau yooj yim ntawm qhov ceev ntawm qhov chaw txog li 25 m/s, ua rau lawv sib tw heev rau cov qhov loj ntawm API twj tso kua mis txheem.
Yuav tsum tshuaj xyuas cov nqi thiab lub neej voj voog li cas
Kev tshuaj xyuas tus nqi yuav tsum hloov ntawm qhov kev xav CapEx-xwb mus rau tus qauv tag nrho ntawm kev muaj (TCO). Tus nqi yuav khoom thawj zaug ntawm lub foob pob hlau uas txuas nrog ntug feem ntau yog 2.0x txog 3.0x siab dua li lub foob pob elastomer pusher tus qauv vim yog qhov nyuaj metallurgy thiab kev vuam precision xav tau.
Txawm li cas los xij, cov yam ntxwv ntawm lub neej ua haujlwm sai sai them rov qab rau qhov nqi pib no. Los ntawm kev tshem tawm qhov xav tau hloov cov pas nrig twj tso kua mis lossis cov tes tsho tiv thaiv - uas tuaj yeem raug nqi ntau dua $ 2,000 rau ib qho kev kho dua tshiab ntawm cov twj API loj - thiab los ntawm kev ncua MTBF los ntawm ntau xyoo, qhov rov qab los ntawm kev nqis peev (ROI) rau kev hloov kho cov hlau bellows feem ntau pom tau hauv 12 txog 18 lub hlis thawj zaug ntawm kev ua haujlwm.
Qhov twg cov kev cai ua raws li txoj cai cuam tshuam rau kev xaiv
Cov kev cai ib puag ncig ua lub luag haujlwm tseem ceeb hauv kev xaiv cov foob, tshwj xeeb tshaj yog nyob rau hauvcov lag luam tshuaj lom neeg thiab petrochemicalCov chaw ua haujlwm yuav tsum ua raws li cov qauv kev tso pa tawm uas nruj heev, xws li EPA Txoj Kev 21, uas feem ntau yuam kom cov khoom siv xau kom nyob qis dua 500 feem ib lab (ppm) ntawm cov organic compounds (VOCs).
Cov foob pob hlau tau txais kev nyiam heev hauv cov tswv yim ua raws li txoj cai vim tias lawv tshem tawm qhov dynamic O-ring, uas yog qhov tsis ua haujlwm rau cov pa phem. Hauv cov ntawv thov refining tswj hwm los ntawm API 682 cov qauv, Hom B (hlau bellows) foob tau teev tseg meej rau Qeb 2 thiab Qeb 3 cov kev pabcuam kub siab, ua kom ntseeg tau tias ua raws li ob qho tib si ib puag ncig thiab cov qauv kev nyab xeeb thoob ntiaj teb.
Phau Ntawv Qhia Txog Kev Xaiv Thiab Kev Yuav Khoom
Kev hloov ntawm kev xaiv theoretical mus rau kev siv tau tiag tiag yuav tsum muaj txoj hauv kev uas muaj cov qauv. Kev yuav lub foob pob hlau tsis yog kev lag luam khoom muag; nws xav tau kev sib txuas lus engineering meej ntawm pab pawg neeg ntseeg siab ntawm lub Hoobkas thiabchaw tsim khoom foob.
Kev tshuaj xyuas thiab kev tsim nyog ua kom ntseeg tau tias lub foob xa tuaj yuav ua haujlwm raws li nws cov MTBF teev tseg, tiv thaiv kev siv tsis raug.
Yuav tsum siv cov txheej txheem tshuaj ntsuam twg
Cov txheej txheem tshuaj xyuas yuav tsum pib nrog kev tshuaj xyuas cov kua thiab lub kaw lus kom ntxaws. Cov kws ua haujlwm yuav tsum sau cov ntaub ntawv tshuaj lom neeg kom meej, suav nrog cov khoom me me, kom paub tseeb tias cov khoom siv hlau sib xws. Kev nqus cov kua nrog cov chlorides me me tuaj yeem ua rau muaj kev ntxhov siab corrosion cracking hauv cov hlau stainless hlau 300-series txheem.
Tom ntej no, daim ntawv thov yuav tsum tau txhais. Qhov no suav nrog kev kos duab qhov kub thiab txias tsawg kawg nkaus thiab siab tshaj plaws, kev ntxhov siab tas mus li thiab ib ntus, thiab feem pua ntawm cov khoom khov kho. Tsuas yog tom qab daim ntawv no tau tsim tsa yuav tsum tau kev tshuaj ntsuam txav mus rau kev xaiv hom kev tsim kho bellows - xaiv ntawm cov bellows tsim rau cov ntawv thov qis dua lossis cov bellows ntug-welded rau kev ua tau zoo tshaj plaws.
Cov ntsiab lus tshwj xeeb twg feem ntau tsis nco qab
Muaj ntau cov ntsiab lus tseem ceeb uas feem ntau tsis quav ntsej thaum lub sijhawm yuav khoom, ua rau lub sijhawm qaug zog tsis ua haujlwm sai. Ib qho ntawm cov ntsiab lus no yog qhov tuab ntawm lub phaj bellows. Cov phaj welded ntug txheem yog txij li 0.10 hli txog 0.15 hli hauv qhov tuab. Kev teev cov phaj tuab dua (piv txwv li, 0.20 hli) ua rau qhov ntsuas siab nce ntxiv tab sis txo qhov yooj ywm axial, uas yuav tsum tau rov suav dua qhov tseeb ntawm lub zog thauj khoom ntawm lub ntsej muag.
| Bellows Metallurgy | Max Kev Ua Haujlwm Temp | Daim Ntawv Thov Kev Lag Luam Tseem Ceeb |
|---|---|---|
| AM350 Cov Hlau Tsis Xeb | 315°C (600°F) | Chaw ua roj av dav dav, cov tshuaj lom neeg nruab nrab |
| Cov hlau C-276 (Hastelloy) | 425°C (800°F) | Cov dej qab zib heev, cov kua qaub, cov kua qaub |
| Inconel 718 | 425°C+ (800°F+) | Kev kub siab, kub siab, cryogenics |
| Cov hlau nplaum 20 | 150°C (300°F) | Cov concentration ntawm sulfuric acid |
Kev xaiv cov hlau sib xyaw yog lwm qhov tsis meej uas feem ntau tsis nco qab. Kev tsis ua raws li AM350 yuav txuag tau cov nqi ua ntej, tab sis kev hloov kho mus rau Alloy C-276 lossis Inconel 718 yog qhov yuav tsum tau ua thaum cuam tshuam nrog cov tshuaj xeb hnyav lossis qhov kub tshaj 315 ° C. Kev tsis qhia meej txog cov hlau sib xyaw kom raug rau cov kua dej tshwj xeeb yog qhov ua rau lub bellows tawg ntxov.
Yuav ua li cas thiaj li tsim nyog rau cov neeg muab khoom thiab cov neeg muag khoom
Kev tsim nyog rau tus neeg muag khoom rau cov hlau bellows yuav tsum tau kuaj xyuas lawv cov peev xwm tsim khoom thiab kev lees paub zoo. Cov neeg yuav khoom yuav tsum tau ua kom muaj daim ntawv pov thawj ISO 9001 thiab thov cov ntaub ntawv pov thawj ntawm kev kuaj hlau hauv tsev. Vim tias cov txheej txheem vuam ntug muaj ntau txhiab qhov micro-welds, tus neeg muag khoom yuav tsum ua qhov kev kuaj xyuas qhov xau.
Cov neeg muag khoom uas txais tau yuav tsum siv kev kuaj xyuas qhov xau ntawm helium mass spectrometry, lav qhov xau ntawm tsawg dua 1 × 10 ^-7 atm cc / sec thoob plaws lub rooj sib dhos bellows. Ntxiv mus, cov neeg yuav khoom yuav tsum xav tias yuav muaj kev sib txawv ntawm cov khoom siv sib txawv; thaum cov ntsaws ruaj ruaj feem ntau yog cov khoom lag luam tawm ntawm lub txee (COTS), cov bellows ntug-welded kev cai feem ntau xav tau Qhov Tsawg Kawg Nkaus (MOQ) lossis nqa lub sijhawm ua khoom ntawm 6 txog 8 lub lis piam. Daim ntawv pov thawj khoom siv taug qab (xws li EN 10204 3.1) yuav tsum yog qhov yuav tsum tau sib tham tsis tau los xyuas qhov tseeb ntawm cov hlau.
Thaum Cov Hlau Bellows Seals Yog Qhov Zoo Tshaj Plaws
Kev txiav txim siab qhov haum rau lub foob hlau bellows mechanical seal yuav tsum tau sib phim cov txuj ci tshwj xeeb ntawm cov thev naus laus zis rau cov hom kev ua tsis tiav uas tau ntsib hauv lub Hoobkas. Thaum siv kom raug, cov foob no ua haujlwm ua qhov kev daws teeb meem zoo rau cov teeb meem kev ntseeg siab ntawm lub twj tso kua mis.
Txawm hais tias lawv tsis yog qhov hloov pauv thoob ntiaj teb rau txhua lub foob pusher, lawv daim ntawv thov hauv cov chaw muaj kev ntxhov siab, ua rau muaj kev ruaj khov ua haujlwm tsis muaj qhov sib piv.
Cov ntawv thov twg nyiam cov hlau bellows
Tshwj xeebkev siv rau kev lag luamyeej ib txwm nyiam cov qauv hlau bellows. Kev ua cov hydrocarbon kub siab, xws li cov asphalt kub lossis cov roj nqus tsev hnyav (HVGO) twj tso kua mis, xav tau cov foob uas yuav tsis coke lossis khi. Cov kua hloov pauv cua sov (roj kub) twj tso kua mis ua haujlwm zoo dua 200 ° C vam khom tsuas yog cov hlau bellows kom tiv thaiv kev puas tsuaj loj heev uas cuam tshuam nrog elastomer yaj.
Tsis tas li ntawd xwb, cov ntawv thov uas muaj cov khoom siv abrasive suspended solids txog li 5% ntawm qhov hnyav yog cov neeg sib tw tseem ceeb. Hauv cov chaw no, cov O-rings dynamic ntawm cov pusher seals raug rhuav tshem sai sai los ntawm cov khoom me me, thiab lawv cov coil springs tau ntim nrog cov khoom khov. Lub foob hlau uas tig tau centrifuge tawm cov khoom khov no, tswj kev thauj khoom zoo tshaj plaws thiab tiv thaiv lub foob kom tsis txhob dai.
Cov lus qhia twg pab cov pab pawg xaiv nrog kev ntseeg siab
Yuav kom xaiv tau nrog kev ntseeg siab, cov pab pawg engineering yuav tsum siv cov txheej txheem txiav txim siab txheem. Yog tias daim ntawv thov tshaj 200 ° C, ua haujlwm qis dua -40 ° C, siv cov kuab tshuaj hnyav uas ua rau elastomers o, lossis raug kev txom nyem los ntawm kev mob ntev, lub foob hlau bellows mechanical seal yuav tsum yog qhov kev qhia tshwj xeeb.
Cov pab pawg yuav tsum muab qhov tseem ceeb rau cov ntsuas kev ntseeg siab mus sij hawm ntev dua li cov peev nyiaj yuav khoom. Kev teeb tsa API 682 Hom B rau cov khoom siv hauv qhov chaw ua haujlwm ua kom yooj yim rau cov khoom muag thiab xyuas kom meej tias thaum muaj xwm txheej hnyav, cov thev naus laus zis sealing twb tau tsim los tiv taus kev ntxhov siab thermal thiab mechanical, thaum kawg tiv thaiv kev tsim khoom hauv Hoobkas thiab cov neeg ua haujlwm.
Cov Ntsiab Lus Tseem Ceeb
- Cov lus xaus tseem ceeb tshaj plaws thiab cov laj thawj rau cov hlau bellow mechanical seal
- Cov lus qhia tshwj xeeb, kev ua raws li txoj cai, thiab kev kuaj xyuas kev pheej hmoo uas tsim nyog lees paub ua ntej koj cog lus
- Cov kauj ruam tom ntej thiab cov lus ceeb toom uas cov nyeem ntawv tuaj yeem siv tau tam sim ntawd
Cov Lus Nug Feem Ntau
Thaum twg kuv yuav tsum xaiv lub foob pob hlau es tsis txhob siv lub foob pob elastomer?
Xaiv cov hlau bellows rau qhov kub siab, cov tshuaj lom neeg hnyav, kev ua haujlwm cryogenic, lossis thaum muaj kev pheej hmoo ntawm kev sib txhuam ntawm tus ncej thiab O-ring dai. Elastomer bellows haum rau cov kev pabcuam huv dua, qhov kub nruab nrab.
Qhov kub thiab txias li cas ua rau cov hlau bellows seals yog qhov kev xaiv zoo dua?
Feem ntau cov hlau bellows nyiam siv qhov kub siab tshaj 200°C thiab tuaj yeem ua haujlwm tau 400°C+ nyob ntawm cov hlau sib xyaw. Lawv kuj tsim nyog rau qhov kub qis heev uas cov elastomers tuaj yeem tawg.
Vim li cas cov hlau bellows seals txhim kho kev ntseeg siab ntawm lub twj tso kua mis?
Lawv siv tus qauv tsim uas tsis thawb, yog li ntawd tsis muaj dynamic elastomer swb rau ntawm tus ncej. Qhov no pab tiv thaiv kom tsis txhob dai, txo qhov kev pheej hmoo ntawm kev xau, thiab tshem tawm kev ntxhov siab ntawm tus ncej thaum ua haujlwm hnyav.
Puas yog Victor Seals muab cov hlau bellows seals rau OEM twj hloov?
Yog. Victor Seals muab cov khoom siv kho tshuab uas siv tau rau OEM thiab hloov tau rau cov hom lag luam xws li IMO, Alfa Laval, Grundfos, APV, Flygt, Fristam, Lowara, thiab Allweiler.
Cov foob hlau puas zoo dua rau cov kua dej uas nplaum lossis qias neeg?
Feem ntau yog. Cov qauv hlau bellows zam kev txhaws ntawm lub caij nplooj ntoos hlav uas feem ntau tshwm sim hauv qee lub foob pusher thiab tuaj yeem tswj tau cov viscosities siab dua, ua rau lawv siv tau rau cov haujlwm twj tso kua mis hauv kev lag luam uas nyuaj dua.
Lub sijhawm tshaj tawm: Lub Rau Hli-14-2026