Ifan Hoobkas 30+ xyooTxais kev txhawb nqa xim / loj Customized them nyiaj yug dawb {}} Nrhiav catalog thiab cov qauv dawb. Qhov no yog peb FacebookLub vas sab: www . Facebook . com, Nyem rau saib xyuas yog tias cov khoom lag luam video . sib piv nrog cov khoom lag luam dhaux, peb li cov khoom lag luam los ntawm qhov zoo tshaj plaws yog koj qhov kev xaiv zoo tshaj plaws, zoo siab tos txais yuav!
Txhaum kev kuaj mob thiab cov lus qhia kho kho kom nrawm rau Brass Rooj Vag Valve
Lub hauv paus rau phau ntawv
Cov kab ke tooj dag lub rooj vag yog cov haujlwm hauv cov pa hluav taws xob, lawv tuaj yeem tsim kho cov teeb meem ntawm Brass Downtime {}} Cov txheej txheem kev ntsuas Cov kev daws teeb meem.}} Seb rau cov chaw nyob lossis cov ntawv qhia kev lag luam thiab cov kev paub txij nkawm los daws cov teeb meem valve zoo.
Cov tsos mob yuam kev thiab cov tsos mob
Forting swb
Tia Qaum Taw: Dripping los ntawm lub qia packing gland, feem ntau tshwm sim los ntawm pas dej ntsuab {{}} nti ib zaug, khib nyiab ib zaug.
Bonnet Jointing: SUPAGE ntawm lub cev valve thiab bonnet, feem ntau vim yog polts lossis ib tug deterated gasket {} {} {} {} .
Rooj Take Nrau: Tsis muaj peev xwm nres ntws thaum kaw tag nrho, pom los ntawm cov khib nyiab mus los ntawm cov khib nyiab ntawm lub rooj zaum, hnav, lossis lub rooj zaum ua rau lub rooj noj mov.
Cov teeb meem kev ua haujlwm
Stuck rooj vag: Tsis muaj peev xwm qhib lossis kaw lub valve, feem ntau vim yog cov ntxhia pob, lossis misalignment {1} {% ntau dua kev ua haujlwm .
Ntau dhau torque: Kev quab yuam uas tsis muaj zog uas yuav tsum tau tig lub pob zeb ua si, tshwm sim los ntawm galling ntawm cov qia uas siv, seized pob, lossis lub rooj zaum tsis zoo {}}
Nrov nrov: Sib tsoo lossis rattling suab thaum ua yeeb yam, feem ntau los ntawm kev xoob sab hauv cov khoom, khib nyiab hauv txoj kev ntws, lossis cov khoom siv hnav zoo nkauj.
Cov teeb meem teeb meem
Lub cev corrosion: Pitting lossis thinning ntawm lub cev lub cev, tshwj xeeb tshaj yog nyob rau hauv corrosive tawm {}} ib 30% thickness poob hauv lub cev phab ntsa teeb liab.
Nrib bonnet: Pom cov kab nrib pleb hauv lub kaus mom, feem ntau vim muaj kev ntxhov siab ntau dhau los hauv lub pob txha uas muaj kev ntxhov siab hauv lub cev tsis muaj peev xwm ua tsis tau zoo .
THoob loo: Ua tiav qhov tsis ua haujlwm ntawm lub qia, kev tiv thaiv kev ua . Qhov no yog qhov tsis tshua muaj kev txhaum, feem ntau yog ua rau muaj kev txhaum loj, feem ntau yog kev qaug zog.
Kev kuaj mob cov txheej txheem
Kev Saib Xyuas Kev Pom
Kev kuaj kom tau: Thov cov dej xau rau tej zaum cov ntsiab lus ib {{1} mm} mm} mm} mm} Lub rooj zaum hauv lub rooj zaum 20 npuas ib feeb ntawm 6 bar {{4}
Kev Ntsuam Xyuas Corrosion: Examine the valve body, bonnet, and stem for surface corrosion. Use a magnifying glass to identify pitting (depth >0 {. 5 hli yuav tsum tau saib xyuas).
Kev puas tsuaj lub cev: Saib rau cov nrib pleb, deformations, lossis cov cheebtsam uas tsis muaj lawm. lub rooj vag tawg thaum lub valve raug kaw .
Kev Kuaj Ua Haujlwm
Kev Xeem Ua Ntej: Lub voj voog lub valve los ntawm kev qhib thiab kaw cov chaw, ntsuas cua ntsawj ntshaer wrenchque rau ib}} nti valve yuav tsum<15 ft-lb; exceeding 25 ft-lb indicates a problem.
Rooj zaum nruj: Close the valve and apply 1.1× rated pressure to the inlet. Allow 5 minutes; pressure drop >0 {. 5 bar qhia pom lub rooj xau.
Hydrostatic siab ntsuas: Rau cov khoom tseem ceeb, ua daim plhaub plhaub ntawm 1 .}}}}} Kev kuaj so feeb yuav tsum tau kho tam sim.
Kev Kuaj Xyuas Kev Taw Qhia
Ultrasonic kuaj: Siv lub ntsuas ultrasonic ultrasonic los txheeb xyuas cov dej xau me me (qis rau 0 {. khz yog qhov zoo tshaj plaws rau kev ntsuas valve.
Qhov thermography infrarraph: Tshawb xyuas qhov ntsuas qhov ntsuas tsis tau qhia txog cov hmoov av zais lossis kev sib txhuam ntau dhau ntawm {
Thickness gauging: Siv ib lub ultrasonic tuab meter ntsuas kom ntsuas phab ntsa tuab . nyeem ntawv<80% of the original thickness requires valve replacement.
Kho cov tswv yim sai
Cov Qia Leakage Ntsiab
Zawm tshuab pob: Tig lub pas dej txiv ntseej 1/4 tig moos tau (Max 2 Ft-Lb rau {}} nti}}
Hloov ntim:
Tshem tawm cov txiv ntseej gland thiab hom qub (feem ntau braided PTFE) .
Ntub cov khoom siv tshiab ntawm silicone roj thiab nruab rau hauv 1 /4- nti txheej, kom txhua lub rooj zaum kom zoo.
Zawm lub gland txiv ntseej maj, hloov ob sab kom tsis txhob ua tsis ncaj ncees .
Lub rooj zaum swb
Tshem cov khib nyiab: Qhib lub pob valve, soj ntsuam lub rooj zaum thiab rooj vag rau cov khib nyiab (nplai, xeb, cov lus) {{} siv cov ntaub mos muag lossis txhuam kom huv; tsis txhob abrading lub rooj zaum saum npoo .
Muab lub rooj zaum: For minor wear (surface roughness Ra >1.6μm), siv {{1} maj mam grit lapping compound:
Thov kev sib txuas rau lub rooj zaum, ntxig rau lub rooj vag, thiab tig {10-15 lub sij hawm hauv txhua qhov kev taw qhia .
Yaug kom huv si thiab kuaj xyuas cov khaub ncaws hnav zoo nkauj ua tiav (RA<1.0μm).
Hloov Lub Rooj Zaum Zaum: Rau kev puas tsuaj hnyav, tshem tawm lub rooj zaum qub (nias-haum lossis nruab ib qho kev tsim khoom zoo thiab ua kom muaj kev tsim nyog thiab ua kom muaj kev tsim nyog ua kom zoo nkauj (e}} nti nti)} {}
Cov Rooj Vis Rov Qab
Txo thiab ntub: Thov cov roj txho (e {. g}}}}} ×} × qub torque) .
Tshem tawm thiab huv: Yog tias daig, disassemble lub pob valve:
Tshem tawm lub pob tw, tshawb xyuas lub rooj vag thiab cov lus qhia rau corrosion lossis tso nyiaj .
Siv cov hlau txhuam (tooj dag rau cov khoom siv tooj dag) kom huv si, tom qab ntawd siv cov tshuaj tiv thaiv (tooj liab) kom txav chaw .
Rov hais dua, kom pom lub rooj vag txav mus ua ntej rov qab ua ntej reinstalling .
Kho Vaj Tse Ceev
Kev sib khi ib ntus rau lub cev txia: Siv Epoxy Putty (ntsuas rau 10 bar, 150 degree) ntawm cov leak me me. putty, thiab kho kom muaj 2 teev ua ntej rov ua haujlwm siab {}}
Khov sealing rau cov tshuab tsis yog cov tshuab: Siv dej khov qhuav los yog sib xyaw kom khov yeeb cov yeeb nkab seem ({}}} degree) ntws los tsis muaj system .
Tiv thaiv kev tu thiab ntev
Sijhawm niaj hnub tu
Ib Hlis:
Tshawb xyuas cov dej xau, zom cov pob khaus yog tias tsim nyog (max 1/4 lem) .
Lubricate qia xov nrog cov khoom noj-roj roj (2-3 dauv rau 1-}
Kev pab cuam txhua xyoo:
Rhuav tshem lub valve, huv txhua yam nrog daws .
Inspect seat and gate for wear, lap if needed (Ra >1.6μm).
Hloov cov ntim thiab gasket, txawm tias tsis xau .
Kev sim ncua biennial:
Ua hydrostatic xeem ntawm 1 {.}} × rated siab rau 15 feeb.
Check dimensional stability with calipers (body OD variation >0 {. 5% yuav tsum muaj kev saib xyuas).
Kev Tiv Thaiv Corrosion
Cov tshuaj tiv thaiv corrosion: Thov zinc-nplua nuj primer (80% zinc cov ntsiab lus sab nraud hauv kev xeb ib puag ncig.
Dielectric unions: Nruab nruab nrab ntawm tooj dag li qub thiab tsis sib xws ntawm galvanic corrosion {}} Atefine tshuab.
Kev Kho Mob Dej: Kho? 7.5-8.5 hauv cov dej muag muag los txhawb kev tiv thaiv kev tiv thaiv kev tiv thaiv, txo tus nqi corrosion los ntawm 60%.
Kev Ua Haujlwm Zoo Tshaj Plaws
Zam kev qhib ib nrab: Ua haujlwm li qub qhib lossis kaw kom txo qis kom muaj kev ntws tawm thiab lub rooj zaum hnav ({}}}} parting rau tag nrho cov haujlwm {}}
Tswj siab surges: Nruab cov khoom tso tsheb thauj khoom lossis cov kev sib tw siab li qub kom tsis txhob hloov pauv tsawg dua lossis sib npaug ntawm 1}} A PN16 Valve yuav tiv taus 20.8 bar sort.
Kev Tswj Cov Thermal: Allow for thermal expansion (0.15 mm/100 mm length) with flexible hoses or expansion joints in systems with >50 DEPITE kub hloov pauv .
Cov Ntaub Ntawv Kawm Txog Kev Ua Txhaum
Thaj Chaw Dej Kho Vaj Valve
Txhaum: {1- nti dag brass valve nrog qia to qia (10 drops / min) hauv lub zog dej nyuaj.
Kev kuaj: Hnav ptfe packing, me teev ntawm qia .
Kev kho: Hloov cov ntim nrog graphite-impregnated PTFE, ntxuav qia nrog vinegar tov .
Qho kawg: Tee nres; valve ua hauj lwm du rau 3 ntau xyoo .
Kev lag luam Chav Hluav Taws Xob Rov Qab
Txhaum: {{2.5- nti valve nyob rau hauv kab kab (180 degree, 8 kg / h ncu poob) {}}
Kev kuaj: PTFE lub rooj deformation los ntawm qhov kub, hlau-rau-hlau sib cuag kev puas tsuaj.
Kev kho: Hloov nrog graphite-impregnated PTFE lub rooj, lapped lub rooj vag saum npoo {}}
Qho kawg: To ntswg kom tsawg<1 kg/h; annual energy savings of $3,500.
Marine Valve txau
Txhaum: {{3- nti valve hauv dej hiav txwv nrog lub cev pitting (qhov tob 0}} 8 hli, thawj tuab 4 mm).
Kev kuaj: Chloride-ntxias pitting corrosion, galvanic corrosion los ntawm hlau kav .
Kev kho: Hloov nrog txhuas-tooj dag valve, teeb tsa Dielectric cov union, applied epoxy txheej (500 μm).
Qho kawg: Corrosion tus nqi poob ntawm 0.1 mm / xyoo rau<0.01 mm/year over 5 years.
Cov cuab yeej tshaj lij thiab yav tom ntej sib
NTSE NTSUAM DAGECTIC AIDS
Iot-enabled Valve Saib: Wireless sensors uas khiav torque, thiab to
Ar Kho Cov Lus Qhia: Augmented kev muaj tiag apps uas overlay kho cov kauj ruam rau lub valve, cov kws qhia kev los ntawm kev rho tawm thiab hloov .
Cov kev txhim kho thev naus laus zis heev
Txau Txau Hluav Taws Xob: Siv los kho cov pitting me (tob<1 mm) by depositing a brass powder coating at supersonic speeds, restoring wall thickness without heat damage.
3D-upded hloov chaw: Cov tshuab luam ntawv rau ntawm valve Cheebtsam (e {{1} g}, siv cov qog ua kom huv, kom kho cov sij hawm coj los ntawm 80% {4 4}}
Kho tus kheej cov ntaub ntawv
Cov Txheej Txheem Txheej Txheem Microensulated: Cov rooj zaum thiab cov kab uas tso tawm nrog microCapsules uas tso tawm cov tub corrosion lossis roj hnav me me, rov ua rau 0 {1 hli) autonomously.
Tag
Kev ua kom muaj kev txhaum ua tau zoo thiab kho cov txheej txheem tooj dag zog ua kom pom kev zoo siab, thiab ua kom cov txheej txheem kho kom zoo dua qub li qub, txo cov nqi thiab cov nqi ua haujlwm hauv cov kua hauv ntiaj teb thoob ntiaj teb.