"Pneumatic" yog hais txog lub tshuab ua haujlwm, uas siv cua compressed los ua haujlwm lub valve, ua kom muaj kev tswj hwm chaw taws teeb lossis tsis siv neeg.
Lub flanged npauj npaim valve yog ib hom kev sib txuas, muaj cov flanges sib xyaw rau ob qho kawg ntawm lub cev valve, uas tso cai rau kev sib txuas ruaj ntseg rau cov yeeb nkab flanges.
Cov hlau cam khwb cia thiab cov hlau ductile npauj npaim li qub yog siv dav rau kev tswj kev ntws hauv ntau yam lag luam, tab sis lawv txawv ntawm cov khoom siv, kev ua tau zoo, tus nqi thiab daim ntawv thov.
Qhov txawv ntawm lub valve npauj npaim thiab lub valve kuaj npauj npaim yog dab tsi? Txawm hais tias lawv muaj lub npe zoo sib xws thiab ob qho tib si siv lub qauv disc-type, lawv cov haujlwm, kev ua haujlwm, thiab kev siv yog txawv heev.
Pneumatic npauj npaim li qub, nrog lawv cov qauv yooj yim, kev ua haujlwm sai, thiab kev siv nyiaj tsim nyog, tau dhau los ua ib qho tseem ceeb ntawm cov kav dej niaj hnub.
Cov qauv no tau luam tawm los ntawm BSI thiab ua raws li cov qauv European (EN), muab cov qauv dav dav rau kev tsim qauv, cov ntaub ntawv, qhov ntev, kev sim, thiab kev ua haujlwm ntawm cov npauj npaim li qub.
- DN150: Nominal txoj kab uas hla 150 hli (sib npaug rau 6 nti hauv NPS).
- 150lb / 150 / Chav Kawm 150: Kev ntsuas siab ANSI/ASME Chav Kawm 150 (kwv yees li 150 psi, sib npaug rau PN20 hauv Suav Teb/Lub Tebchaws Yelemees).
Tsab xov xwm no tshawb nrhiav qhov sib txawv tseem ceeb, qhov zoo, qhov tsis zoo, thiab kev siv ntawm cov li qub lug thiab ob chav flange npauj npaim los coj koj txoj kev txiav txim siab.
- Kev Nthuav Qhia: Kev Nthuav Qhia Txog Kev Lag Luam Valve
- Qhov chaw: Centro Citibanamex
- Tus lej sawv ntsug: A231
- Hnub Tim: 2-4, Cuaj Hlis
• Kev Tshwm Sim: ECWATECH 2025
• Cov Hnub Tim: Cuaj Hlis 9–11, 2025
• Rooj Muag Khoom: 8C8.6
• Qhov Chaw: Crocus Expo International Exhibition Centre, Moscow, Russia
Cov lus qhia luv luv txog qhov ntau thiab tsawg ntawm cov npauj npaim valve nrog ntau txoj kev sib txuas thiab cov qauv tsim, raws li cov qauv kev lag luam thiab kev coj ua. Vim tias qhov ntau thiab tsawg ntawm cov kab uas hla yuav txawv nyob ntawm tus neeg tsim khoom thiab qhov xwm txheej ntawm daim ntawv thov (xws li qib siab, hom nruab nrab, thiab lwm yam), tsab xov xwm no muab cov ntaub ntawv rau zfa valves.
Lub valve npauj npaim yog lub valve ib feem plaub ntawm lub voj voog. Nws yog siv los tswj lossis cais cov kua dej ntws hauv cov kav dej. Lub valve npauj npaim thiab vim nws txoj kev tsim qauv yooj yim thiab kev ua haujlwm zoo thiab los ntawm txhua qhov chaw ntawm lub neej.
Lub hauv paus chiv keeb ntawm lub npe ntawm npauj npaim valve: lub valve flap yog zoo li ib tug npauj npaim thiab yog li ntawd hu ua.
Ntawm ntau hom npauj npaim li qub, cov npauj npaim li qub ua haujlwm siab (HPBV) thiab cov npauj npaim li qub sib xyaw yog ob hom qauv tsim uas siv ntau tshaj plaws. Qhov kev sib piv no yuav rhuav tshem qhov sib txawv ntawm ob qho los ntawm ntau qhov ntau thiab tsawg los ua kom pom tseeb lawv lub luag haujlwm hauv kev lag luam thiab kev siv hauv nroog.
Kev daws cov teeb meem no yuav tsum tau xaiv lub valve kom raug, teeb tsa zoo, saib xyuas tas li, thiab kho kom zoo. Los ntawm kev xaiv cov ntaub ntawv uas haum rau daim ntawv thov, ua raws li cov lus qhia teeb tsa thiab saib xyuas cov xwm txheej ua haujlwm, cov neeg siv tuaj yeem txo qhov kev pheej hmoo ntawm kev xau.
Cov ntaub ntawv ntawm cov rooj zaum valve sib txawv muaj cov yam ntxwv ntawm lub cev thiab tshuaj sib txawv thiab haum rau ntau yam kev ua haujlwm. Hauv tsab xov xwm no, peb feem ntau kawm thiab piv cov hom tseem ceeb, kev ua tau zoo thiab kev siv ntawm cov rooj zaum valve elastic.
Hauv tsab xov xwm no, peb yuav tshuaj xyuas 7 lub rooj zaum mos mos npauj npaim valve chaw tsim khoom hauv Suav teb thiab ua qhov kev tshuaj xyuas ntxaws ntxaws los ntawm cov ntsiab lus ntawm daim ntawv pov thawj thiab kev tsim nyog, cov khoom zoo, peev xwm tsim khoom thiab kev xa khoom, kev sib tw nqi, kev muaj peev xwm ua haujlwm, kev pabcuam tom qab muag, thiab lub koob npe nrov hauv kev lag luam.
Kev tshuaj xyuas tob txog qhov sib txawv ntawm API 607 thiab API 608 cov qauv, ua tus tswv ntawm cov ntsiab lus tseem ceeb ntawm kev xaiv cov valve lag luam, suav nrog cov kev cai xeem tshiab thiab cov lus qhia ua raws li txoj cai.
Lub qhov dej npauj npaim yog ib lub cuab yeej uas tswj cov dej ntws hauv cov yeeb nkab. Nws raug tswj los ntawm kev tig lub disc ib feem plaub ntawm ib qho kev tig. Lawv feem ntau yog siv rau hauv cov ntawv thov uas lawv kaw sai.
Nws paub zoo tias cov npauj npaim valve ua haujlwm tau zoo heev, tsim qauv me me thiab pheej yig, yog li lawv siv dav hauv ntau yam lag luam. Txawm li cas los xij, zoo li txhua yam khoom siv kho tshuab, cov npauj npaim valve kuj tuaj yeem ua tsis tiav. Kev ua tsis tiav raug faib ua kev yug los thiab kev tau txais.
Muaj qhov sib txawv ntawm pawg A npauj npaim valve thiab pawg B npauj npaim valve hauv cov qauv. Pawg A npauj npaim valve yog hom "concentric", pawg B npauj npaim valve yog hom "offset".
Kev hloov cov roj hmab foob ntawm cov npauj npaim valve yog ib qho txheej txheem nyuaj uas xav tau kev paub txog kev siv tshuab, kev ua kom raug, thiab cov cuab yeej zoo kom ntseeg tau tias lub valve ua haujlwm tau zoo thiab kev sib khi ruaj khov. Phau ntawv qhia tob no rau cov kws tshaj lij thiab cov kws kho tshuab saib xyuas lub valve muab cov lus qhia ntxaws ntxaws, cov kev coj ua zoo tshaj plaws, thiab cov lus qhia daws teeb meem.
Peb zoo siab tshaj tawm tias peb lub tuam txhab yuav nthuav tawm peb cov khoom tshiab thiab kev tsim kho tshiab ntawm R22, FENASAN kev nthuav qhia, uas yuav muaj nyob rau lub Kaum Hli 22 txog Lub Kaum Hli 24, 2024.
Qhov hnyav ntawm lub valve npauj npaim yog qhov tseem ceeb rau kev tsim qauv ntawm lub kaw lus. Nws cuam tshuam rau kev teeb tsa, kev saib xyuas, thiab kev ua haujlwm ntawm lub kaw lus tag nrho. Paub txog nws txoj kev tsim qauv me me thiab kev tswj hwm dej ntws zoo.
Cov qhov dej npauj npaim ua haujlwm tau zoo ua rau lub luag haujlwm tseem ceeb ntawm cov qhov dej npauj npaim ua si hauv kev siv hauv kev lag luam. Cov qhov dej no tuaj yeem tswj tau cov kua dej ntws zoo.
Peb thov caw koj tuaj koom kev nthuav qhia WASTETECH/ECWATECH uas yuav los txog no,8E8.2 IEC Crocus Expo, Moscowrau10-12 Cuaj Hlis, 2024.
To taub seb cov npauj npaim valve tswj cov dej ntws li cas nrog lub disc uas tig. Tshawb nrhiav ZFA cov kev daws teeb meem uas pheej yig thiab tsis tas yuav saib xyuas ntau rau cov kab ke dej loj.
Lub luag haujlwm tseem ceeb ntawm lub valve npauj npaim yog txuas lossis txiav cov kav dej ntws, hloov qhov kev ntws ntawm cov khoom nruab nrab, kho qhov siab thiab ntws ntawm cov khoom nruab nrab, thiab teeb tsa ntau lub valve, loj thiab me, hauv lub kaw lus. Kev paub ntsuas qhov loj ntawm lub valve npauj npaim tuaj yeem tiv thaiv kev ua haujlwm tsis zoo thiab kev ua yuam kev kim.
Cov txheej txheem teeb tsa ntawm lub valve npauj npaim muaj ntau kauj ruam tseem ceeb. Kev ntxuav ua ntej teeb tsa, kev teeb tsa kom raug, kev kho thiab kev tshuaj xyuas zaum kawg ua kom muaj kev ua haujlwm zoo tshaj plaws.
Cov txheej txheem teeb tsa ntawm lub valve npauj npaim muaj ntau kauj ruam tseem ceeb. Kev ntxuav ua ntej teeb tsa, kev teeb tsa kom raug, kev kho thiab kev tshuaj xyuas zaum kawg ua kom muaj kev ua haujlwm zoo tshaj plaws.
Cov tuam txhab no nyob rau sab qab teb yog nyob rau hauv Jiangsu, Zhejiang, Shanghai cheeb tsam, feem ntau yog tsim cov qhov rooj vag kaw ruaj khov, thaum sab qaum teb yog nyob rau hauv Beijing, Tianjin, Hebei cheeb tsam, feem ntau yog tsim cov qhov rooj vag kaw ruaj khov.
Tsab xov xwm no yuav qhia txog ntau hom kev kuaj xyuas thiab cov kev xav txog lawv cov lus qhia teeb tsa kom ntxaws.
Hauv qhov kev sib piv no, peb yuav ua tib zoo saib xyuas qhov tsim, qhov zoo, qhov tsis zoo thiab kev siv ntawm ob lub li qub no.
Tsab xov xwm no yuav tham txog qhov sib txawv ntawm cov npauj npaim li qub thiab cov qhov rooj li qub kom ntxaws los ntawm cov ntsiab lus ntawm lub hauv paus ntsiab lus, kev sib xyaw, tus nqi, kev ruaj khov, kev tswj hwm dej ntws, kev teeb tsa thiab kev saib xyuas.
Yog tias qhov kev tshem tawm ntawm cov yeeb nkab raug txwv thiab qhov siab qis, DN≤2000, peb pom zoo kom siv wafer npauj npaim valve;Yog tias qhov kev tshem tawm ntawm cov yeeb nkab txaus thiab qhov siab yog nruab nrab lossis qis, DN≤3000, flange npauj npaim valve raug pom zoo.
Yog tias qhov kub thiab txias siab heev thiab tsis muaj cov khoom loj, koj tuaj yeem xaiv lub qhov rooj npauj npaim uas muaj hlau nplaum tag nrho.Txwv tsis pub, thov xaiv lub valve ntau txheej sealing butterfly uas pheej yig dua.
Hauv tsab xov xwm no, peb yuav kawm txog lub tswv yim ntawm qhov ntsuas siab tshaj plaws uas lub valve npauj npaim tuaj yeem tiv taus, thiab kawm txog qhov cuam tshuam rau qhov ntsuas siab los ntawm cov yam xws li kev tsim lub valve npauj npaim, cov khoom siv, kev sib khi, thiab lwm yam.
Yog tias qhov kub thiab txias siab heev thiab tsis muaj cov khoom loj, koj tuaj yeem xaiv lub qhov rooj npauj npaim uas muaj hlau nplaum tag nrho.Txwv tsis pub, thov xaiv lub valve ntau txheej sealing butterfly uas pheej yig dua.
Cov txheej txheem sib dhos ntawm lub valve npauj npaim yog ib qho txheej txheem yooj yim tab sis nyuaj. Tsuas yog thaum txhua kauj ruam ua tib zoo ua kom lub valve npauj npaim thiaj li ua haujlwm tau zoo li qub. Cov hauv qab no yog cov lus piav qhia luv luv ntawm cov txheej txheem sib dhos ntawm lub valve npauj npaim wafer.
Kev kho lub valve uas siv lub npauj npaim yuav txawv nyob ntawm seb puas muaj kev puas tsuaj lossis tsis ua haujlwm. Muaj ob hom kev kho, kev kho dav dav thiab kev kho hnyav.
Lub sijhawm qhib thiab kaw ntawm lub valve npauj npaim muaj feem cuam tshuam nrog qhov ceev ntawm lub actuator, lub zog ntawm cov kua dej thiab lwm yam.
t=(90/ω)*60,
Lub qhov rooj vag yog lub qhov rooj siv los qhib thiab kaw cov kua dej ntws hauv cov kav dej. Nws qhib lossis kaw lub qhov rooj los ntawm kev tsa lub qhov rooj kom tso cai lossis txwv cov kua dej ntws. Nws yuav tsum tau hais meej tias lub qhov rooj vag tsis tuaj yeem siv rau kev tswj cov dej ntws.
Muaj ntau hom npauj npaim valve disc raws li kev siv ntawm cov npauj npaim valves, qhov ntau thiab tsawg ntawm npauj npaim valve rau cov khoom lag luam yog los ntawm DN50-DN600, yog li peb yuav qhia cov valve discs raws li qhov ntau thiab tsawg siv tas li.
Qhov sib txawv, qhov zoo thiab qhov tsis zoo ntawm lub valve npauj npaim thiab lub pob valve yog dab tsi?Hauv tsab xov xwm no, peb tshuaj xyuas nws los ntawm cov yam ntxwv ntawm cov qauv, lub hauv paus ntsiab lus, qhov ntau thiab tsawg ntawm kev siv thiab kev sib khi.
Tuam Tshoj txoj kev lag luam valve yeej ib txwm yog ib qho ntawm cov lag luam ua lag luam hauv ntiaj teb. Hauv kev lag luam loj heev no, cov tuam txhab twg sawv tawm thiab dhau los ua kaum lub tuam txhab saum toj kawg nkaus hauv Tuam Tshoj txoj kev lag luam valve?
Nws feem ntau nyob ntawm qib ntawm kev ua kom ntsiag to. Cov twj tso kua mis ntsiag to tsuas yog tshem tawm suab nrov thiab txo cov suab nrov. Cov twj tso kua mis ntsiag to tuaj yeem tiv thaiv thiab ua kom lub suab ntsiag to ncaj qha thaum siv.
kev sim siab > lub siab nominal > tsim siab > ua haujlwm siab.
Lub hauv paus ntsiab lus ua haujlwm ntawm lub valve hluav taws xob yog tsav lub cuab yeej kis tau los ntawm lub cev muaj zog kom tig lub phaj valve, yog li hloov pauv thaj chaw ntawm cov kua dej hauv lub cev valve thiab tswj cov dej ntws.
Raws li kev tshawb nrhiav thiab kev txheeb xyuas, kev xeb yog ib qho ntawm cov yam tseem ceeb ua rau muaj kev puas tsuaj rau cov npauj npaim li qub.
Yog li ntawd, kev kho cov txheej txheem saum npoo ntawm lub cev valve thiab lub phaj valve yog txoj hauv kev tiv thaiv zoo tshaj plaws tiv thaiv kev xeb hauv qhov chaw sab nraud.
Cov foob tawv yog ua los ntawm hlau, xws li cov hlau gaskets, cov hlau rings, thiab lwm yam, thiab kev sib khi yog ua tiav los ntawm kev sib txhuam ntawm cov hlau. Cov foob mos yog ua los ntawm cov ntaub ntawv elastic, xws li roj hmab, PTFE, thiab lwm yam.
Ntau thiab ntau lub teb chaws Suav tau xa tawm mus rau ntau lub teb chaws thoob ntiaj teb, thiab tom qab ntawd ntau tus neeg siv khoom txawv teb chaws tsis nkag siab txog qhov tseem ceeb ntawm Tuam Tshoj tus lej valve, hnub no peb yuav coj koj mus rau kev nkag siab tshwj xeeb, vam tias yuav pab tau peb cov neeg siv khoom.
Kev xaiv ntawm ob hom npauj npaim no nyob ntawm qhov xav tau tshwj xeeb ntawm daim ntawv thov, suav nrog qhov chaw txwv, qhov yuav tsum tau ua kom siab, zaus ntawm kev saib xyuas, thiab kev txiav txim siab txog kev siv nyiaj txiag.
Raws li daim ntawv txuas flange, lub cev valve feem ntau muab faib ua: wafer hom A, wafer hom LT, ib qho flange, ob chav flange, thiab U hom flange.
Wafer hom A yog qhov tsis muaj xov txuas, LT hom 24 "saum toj no cov lus qhia loj feem ntau siv lub zog zoo dua U-hom valve lub cev los ua qhov txuas xov, qhov kawg ntawm cov kav dej yuav tsum siv LT hom.
Lub pob valve zoo li V muaj qhov chaw nres nkoj zoo li V ntawm ib sab ntawm lub plawv valve hemispherical.
Qhov qhib ntawm lub pob O-puab yog puag ncig, nws qhov kev tiv thaiv dej ntws me me, thiab qhov hloov pauv ceev.
Hauv tsab xov xwm dhau los, peb tau tham txog lub qhov rooj thiab lub ntiaj teb li qub, hnub no peb txav mus rau lub npauj npaim li qub thiab lub qhov xyuas cov li qub, uas feem ntau siv rau hauv kev kho dej.
Lub valve yog lub cuab yeej tswj hwm cov kav dej kua. Nws lub luag haujlwm tseem ceeb yog txuas lossis txiav cov ntshav ntws ntawm cov kav dej, hloov qhov kev taw qhia ntawm cov dej ntws, kho qhov siab thiab ntws ntawm cov dej ntws, thiab teeb tsa ntau yam valve, loj thiab me, hauv lub kaw lus. Ib qho kev lees paub tseem ceeb rau kev ua haujlwm ib txwm ntawm cov kav dej thiab cov khoom siv.
Cov coefficients ntawm kev tswj lub valve ntws (Cv, Kv thiab C) ntawm cov tshuab sib txawv yog cov tswj lub valve nyob rau hauv qhov sib txawv ntawm qhov siab, qhov ntim ntawm cov dej ncig hauv ib chav ntawm lub sijhawm thaum lub valve tswj qhib tag nrho, Cv, Kv thiab C muaj kev sib raug zoo ntawm Cv = 1.156Kv, Cv = 1.167C. Tsab xov xwm no qhia txog kev txhais, chav tsev, kev hloov pauv thiab cov txheej txheem ntawm Cv, Kv thiab C.
Lub rooj zaum valve yog ib qho uas tshem tau sab hauv lub valve, lub luag haujlwm tseem ceeb yog txhawb lub phaj valve qhib tag nrho lossis kaw tag nrho, thiab ua lub luag haujlwm sealing. Feem ntau, lub cheeb ntawm lub rooj zaum yog qhov loj ntawm lub valve caliber. Cov khoom siv rooj zaum valve npauj npaim dav heev, cov khoom siv feem ntau yog EPDM, NBR, PTFE, thiab cov khoom siv hlau tawv sealing carbide. Tom ntej no peb yuav qhia ib qho los ntawm ib qho...
Lub qhov ntsuas cua yog hais txog qhov qhib thiab kaw ntawm lub qhov ntsuas cua puag ncig thiab vam khom lawv qhov hnyav thiab qhov siab ntawm lub qhov ntsuas cua los tsim cov haujlwm los thaiv qhov nruab nrab ntws rov qab ntawm lub qhov ntsuas cua. Lub qhov ntsuas cua yog lub qhov ntsuas cua tsis siv neeg, tseem hu ua lub qhov ntsuas cua, lub qhov ntsuas cua ib txoj kev, lub qhov ntsuas tsis rov qab los yog lub qhov ntsuas cua cais.
Wafer check valvesKuj tseem hu ua cov qhov dej ntws rov qab, cov qhov dej nres rov qab, thiab cov qhov dej nias rov qab. Cov hom qhov dej no tau qhib thiab kaw tau los ntawm lub zog uas tsim los ntawm cov dej ntws ntawm cov khoom nruab nrab hauv cov kav dej, uas yog ib hom qhov dej tsis siv neeg.
Vim nws qhov me me thiab cov qauv yooj yim, lub valve npauj npaim tau dhau los ua ib qho ntawm cov valve siv ntau tshaj plaws hauv kev lag luam, ntau thiab ntau dua tau siv rau lub zog fais fab hydroelectric, kev ywg dej, kev tsim dej thiab kev ntws dej, kev tsim kho hauv nroog thiab lwm yam kab ke, siv los txiav lossis nruab nrab ntawm cov dej ntws ntawm cov xov xwm ncig. Tom qab ntawd lub valve npauj npaim siv rau cov teeb meem uas xav tau kev saib xyuas thiab cov kev daws teeb meem, hnub no peb yuav tshwj xeeb kom nkag siab.
Cov qhov rooj vag kaw mos mos thiab cov qhov rooj vag kaw tawv yog cov khoom siv feem ntau siv rau kev tswj thiab cuam tshuam cov dej ntws, ob qho tib si muaj kev ua haujlwm zoo sealing, ntau yam kev siv, thiab yog ib qho ntawm cov khoom uas cov neeg siv khoom yuav ntau dua. Qee tus neeg yuav khoom tshiab yuav xav paub, zoo ib yam li lub qhov rooj vag, qhov txawv tshwj xeeb ntawm lawv yog dab tsi
Tus qauv AWWA yog Lub Koom Haum American Water Works Association thawj zaug luam tawm cov ntaub ntawv pom zoo hauv xyoo 1908. Niaj hnub no, muaj ntau dua 190 AWWA Cov Qauv. Los ntawm qhov chaw mus rau qhov chaw khaws cia, los ntawm kev kho mus rau kev faib tawm, AWWA Cov Qauv npog cov khoom thiab cov txheej txheem ntsig txog txhua qhov chaw ntawm kev kho dej thiab kev muab dej. AWWA C504 yog tus sawv cev ib txwm muaj, nws yog ib hom pob zeb rooj zaum npauj npaim valve.
Cov npauj npaim loj feem ntau yog hais txog cov npauj npaim uas muaj txoj kab uas hla loj dua DN500, feem ntau txuas nrog flanges, wafers. Muaj ob hom npauj npaim loj: concentric npauj npaim valve thiab eccentric npauj npaim valve.
Peb qhov eccentricities ntawm Triple Eccentric Butterfly Valve yog xa mus rau:
Qhov eccentricity thawj zaug: lub valve ncej nyob tom qab lub valve phaj, tso cai rau lub foobnplhaib kom nyob ib puag ncig tag nrho lub rooj zaum uas sib chwv.
Qhov thib ob eccentricity: lub spindle yog laterally offset los ntawm lub center kab ntawm lub cev valve, uas tiv thaiv kev cuam tshuam nrog kev qhib thiab kaw ntawm lub valve.
Qhov txawv thib peb: lub rooj zaum yog offset los ntawm kab nruab nrab ntawm lub valve ncej, uas tshem tawm kev sib txhuam ntawmdaim disc thiab lub rooj zaum thaum kaw thiab qhib.
Lub valve npauj npaim ob chav eccentric yog lub npe tom qab nws ob lub qauv eccentric. Yog li ntawd, lub qauv ob chav eccentric zoo li cas?
Qhov hu ua ob chav eccentric, thawj eccentric txhais tau hais tias lub valve ncej nyob tawm ntawm qhov chaw ntawm qhov chaw sealing, uas txhais tau hais tias lub qia nyob tom qab lub phaj valve. Qhov eccentricity no ua rau qhov chaw sib cuag ntawm ob lub phaj valve thiab lub rooj zaum valve ua qhov chaw sealing, uas kov yeej qhov tsis zoo uas muaj nyob rau hauv concentric butterfly valves, yog li tshem tawm qhov ua tau ntawm kev xau sab hauv ntawm qhov sib tshuam sab saud thiab sab qis ntawm lub valve ncej thiab lub rooj zaum valve.
Lub valve npauj npaim, tseem hu ua lub valve flap, yog ib qho qauv yooj yim ntawm lub valve hloov kho, uas tuaj yeem siv rau hauv cov kav dej siab qis kom kaw qhov ntws. Tig ib ncig ntawm lub valve ncej kom ua tiav qhib thiab kaw lub valve.
Raws li cov qauv sib txuas sib txawv, nws muaj peev xwm muab faib ua wafer butterfly valve, lug butterfly valve, flange butterfly valve, welded butterfly valve, screw thread butterfly valve, clamp butterfly valve, thiab lwm yam. Ntawm cov qauv sib txuas uas siv ntau tshaj plaws yog wafer butterfly valve thiab lug butterfly valve.
Lub pneumatic npauj npaim valve yog tsim los ntawm lub pneumatic actuator thiab lub butterfly valve. Cua actuated npauj npaim valve siv cua compressed ua lub zog los tsav lub valve stem thiab tswj kev tig ntawm lub disc ncig lub qhov kom qhib thiab kaw lub valve.
Raws li cov khoom siv pneumatic, nws muaj peev xwm muab faib ua ib qho pneumatic npauj npaim valve thiab ob chav ua pneumatic npauj npaim valve.
Zhongfa Valve yog ib lub chaw tsim khoom ntawm cov khoom siv npauj npaim thiab cov khoom siv npauj npaim, tsim muaj xyoo 2006, muab cov khoom siv thiab cov khoom siv npauj npaim rau ntau dua 20 lub tebchaws hauv ntiaj teb, tom ntej no, Zhongfa Valve yuav tshaj tawm cov lus qhia ntxaws ntxaws ntawm cov khoom siv npauj npaim.
Cov li qub npauj npaim yog ib tsev neeg ntawm cov li qub tig ib feem plaub uas siv rau hauv cov kav dej, lawv feem ntau raug faib ua pawg los ntawm kev tsim kho thiab kev sib txuas. ZFA yog ib lub tuam txhab tsim cov li qub npauj npaim wafer, cov tuam txhab tsim cov li qub flange, thiab cov tuam txhab tsim cov li qub lug hauv Suav teb.
Cov hom los ntawm Kev Sib Txuas, lawv yog plaub hom.
ZFA Valvelub zog fais fab npauj npaim valveCov li qub no muab faib ua ob pawg hauv qab no: cov li qub npauj npaim nruab nrab thiab cov li qub npauj npaim eccentric, ntawm cov li qub npauj npaim nruab nrab kuj muab faib ua cov li qub npauj npaim wafer, cov li qub npauj npaim lug thiab cov li qub flange.
Cov roj hmab hluav taws xob uas siv rau npauj npaim yog sib sau ua ke los ntawm cov roj hmab thiab cov khoom siv hluav taws xob. Nws siv dav hauv roj av, tshuaj lom neeg, hluav taws xob, metallurgy, khoom noj, tshuaj, textile, ntawv thiab lwm yam lag luam. Cov khoom nruab nrab feem ntau yog roj av, cua, pa dej, dej, dej hiav txwv thiab roj. Cov roj hmab uas siv lub cev muaj zog yog siv los tswj cov dej ntws thiab txiav cov khoom nruab nrab ntawm cov kav dej kev lag luam.
Peb tuaj yeem muab cov API609 npauj npaim li qub hauv qab no:
Raws li qhov kev sib txuas, peb muajob chav flange npauj npaim valve,wafer npauj npaim valvethiablub pob valve npauj npaim;
Raws li cov khoom siv, peb tuaj yeem muab cov khoom siv hlau ductile, cov khoom siv carbon steel, cov khoom siv stainless hlau, cov khoom siv tooj dag, cov khoom siv hlau super duplex;
Raws li cov txheej txheem, peb tuaj yeem muab API609 npauj npaim valve nrog casting lub cev thiab vuam lub cev.
PTFE Lining Valve tseem hu ua fluorine yas txheej tiv taus corrosion valves, yog cov yas fluorine pwm rau hauv phab ntsa sab hauv ntawm cov hlau lossis hlau valve bearing qhov chaw lossis sab nraud ntawm lub valve sab hauv. Fluorine yas ntawm no feem ntau suav nrog: PTFE, PFA, FEP thiab lwm yam. FEP txheej npauj npaim valve, teflon txheej npauj npaim valve thiab FEP txheej npauj npaim valve feem ntau yog siv rau hauv cov xov xwm corrosive muaj zog.
Peb cov wafer npauj npaim li qub yog ua raws li tus qauv thoob ntiaj teb ntawm ASTM, ANSI, ISO, BS, DIN, GOST, JIS, KS thiab lwm yam. Loj DN40-DN1200, nominal siab: 0.1Mpa ~ 2.5Mpa, qhov kub thiab txias tsim nyog: -30 ℃ txog 200 ℃.
Peb feem ntau xa tawm mus rau 22 lub tebchaws xws li Tebchaws Meskas, Russia, Canada, Spain thiab lwm yam.
n cov nqe lus ntawm cov khoom siv, stainless hlaunpauj npaim li qubMuaj nyob rau hauv SS304, SS316, SS304L, SS316L, SS2205, SS2507, SS410, SS431, SS416, SS201, Hais txog cov qauv, cov hlau tsis xeb npauj npaim li qub muaj nyob rau hauv cov kab centric thiab eccentric. Cov hlau tsis xeb npauj npaim li qub kab centric feem ntau yog ua los ntawm cov hlau tsis xeb rau lub cev valve, lub phaj valve, thiab tus ncej, thiab EPDM lossis NBR rau lub rooj zaum valve, Lawv feem ntau yog tsim los rau kev tswj hwm kev ntws thiab kev tswj hwm cov xov xwm corrosive, tshwj xeeb tshaj yog ntau yam kua qaub muaj zog, xws li sulfuric acid thiab aqua regia.