Nrig Fligh flange Valve
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!
Kev sib txheeb ntawm kev xaiv ntawm cov ntaub ntawv sealing thiab cov kev pabcuam lub neej ntawm brass rooj vag valve
Lub hauv paus rau phau ntawv
Cov kev pabcuam lub neej ntawm brass rooj vag valve yog profoundly intias {}} kev ua haujlwm ntawm cov khoom siv ua ntej thiab kev ua haujlwm ib puag ncig, thiab kev siv tshuab hluav taws xob daws teeb meem valve thiav ntev .}} los ntawm kev nkag siab cov ntaub ntawv sib raug zoo ntawm cov ntaub ntawv sib raug zoo ntawm kev txiav txim siab valuality valve {5 {5 5}
Cov khoom siv tseem ceeb Fealing cov khoom siv thiab lawv cov kev cuam tshuam rau lub neej pabcuam
Tshuaj lom neeg tsis kam thiab cov ntawv foob
Thermoplastic Ntsaws (PTFE):
Tshuaj lom neeg inertness: resistos ntau cov acids, alkalis, thiab cov kuab tshuaj .
Service life in 5% H₂SO₄: >10 xyoo vs . 2 xyoo rau elastomeric ntsaws ruaj ruaj .
Elastomeric Ntsaws Ruaj Ruaj (EPDM):
Tsis muaj zog rau cov roj thiab hydrocarbons:
O hauv cov roj ntxhia (ntim hloov +20%) txo cov sib zog ntawm 30% tsis pub dhau 6 lub hlis.
Hlau Ntsaws (Stainless hlau):
Superior tshuaj tsis kam nyob hauv Harsh Media:
Nyob rau hauv seaterater (3 . 5% nacl), cov ntsaws ruaj ruaj rau kev ntseeg siab rau 5 ×.
Qhov kub thiab txias thiab foob ntev
Kev kub-ntsaws ruaj ruaj (graphite):
Thermal stability txog 650 degree:
Suitable for steam systems; service life at 180°C: >8 xyoo vs . 3 xyoo rau PTFE .
Tsawg-ntsuas kub (Viton):
Yooj yooj yim ntawm -20 degree:
Tswj hwm kev quab yuam hauv cov ntawv thov cryogenic, tsis zoo epdm uas ham rau hauv qab {}}℃.
Cov Khoom Siv Neeg Kho Tshuab thiab Hnav Kuj
Hardness thiab Compression Teeb:
Ntug dej ib 70 PTFE vs . ntug dej hiav txwv A 60 EPDM:
PTFE muaj 50% qis dua kev teeb tsa, txo qis-ua kom muaj kev so los ntawm 40%.
Puas ua:
Polyurethane sealaus nyob hauv Abrasive slurries:
Hnav tus nqi 0 {{{4 4}} 01 hli vs . 0.05 hli, kev pab cuam deb li epdm, txuas ntxiv lub neej ntawm 2 txog 10 xyoo.
Cawv ntawm cov khoom sealing cov khoom siv ntawm valve ntev
Elastomeric Ntsaws: Ntsuas Tus Nqi thiab Kev Pab Lub Neej
EPDM (ethylene-propylene diene monomer):
Qhov zoo tshaj plaws rau dej thiab chav (120℃max):
Kev pabcuam lub neej hauv cov dej muaj txiaj ntsig: 5-7 xyoo; Hauv 150 Degree Chav:<2 years (thermal degradation).
Viton (fluorocarbon elastomer):
Tshuaj lom neeg nyob rau hauv cov roj thiab roj:
{10-}} xyoo lub neej nyob hauv cov roj av vs . 1}}}
Silicone Elastomers:
High-kub hloov pauv (200℃max):
Qhov zoo tagnrho rau qhov cub qhov rooj kaw, tab sis tsis zoo nyob rau hauv aqueous systems (o kev pheej hmoo) .
Thermoplastic ci: ruaj khov hauv kev xav tau xov xwm
PTFE (polytetrafluoroethylene):
Tshuaj lom neeg inertness thiab tsawg kev sib txhuam:
{{015-} xyoo thov lub neej hauv 10% Naoh vs. 5} xyoo rau epdm .
Limitations: Cold flow at high pressures (>10 bar), txo cov khoom sib khi rau lub sij hawm .
Peek (Polneretherketone):
High-zog thiab hnav tsis kam:
{8-} xyoo thov lub neej lub neej nyob rau hauv abrasive slurries, 2 × ntev dua ptfe .
Hlau Ntsaws: Ntev hauv cov xwm txheej huab
Stainless hlau (316L):
Hlau-rau-hlau sealing hauv cov ntawv thov siab:
Service life in 20 bar natural gas: >20 xyoo, nrog kev txij nkawm tsawg .
Tooj liab thiab tooj dag ciav:
Mos hlau deformation rau kev sib khi txhim khu kev qha:
Hauv lub tshuab nqus tsev, tooj liab ntsaws ruaj nrees rau 10+} {{}}
Sealing Cov Qauv Xaiv Cov Khoom Siv Rau Kev Pab Cuam Tshuam
Media Kev Tshawb Xyuas Kev Tshawb Fawb
Acid / alkali Kuj:
pH {2-12}: PTFE lossis fluorocarbon elastomers (Viton) .
pH<2 or >12: Cov Ntsaws Ntoo Hlau (316L SS) nrog kev nyuaj tig tau.
Hydrocarbon Kev Sib Xws:
Roj thiab cov roj: Viton lossis Peek; zam epdm (o kev pheej hmoo) .
Kub thiab siab tsis txhob
Kev kub-kub (150-300 degree):
Graphite-ntim cov ntsaws ruaj ruaj lossis cov hlau-rau-hlau tsim .
High-Pressure (>16 bar)):
Hlau Hlau Nrog Wedge Gate tsim qauv (E .}}}}}} {{.
Ua Haujlwm Tuaj Ua Haujlwm Xav Tau
Nquag Cycling (100+ cmles / hli):
Tsawg-sib tov PTFE cov ntsaws ruaj ruaj kom txo qis kev hnav (kev pabcuam lub neej 10, {0} mus '} {3}
Zoo li qub sealing (tsis tshua muaj haujlwm):
Elastomeric ntsaws ruaj ruaj nrog kev teeb tsis zoo (E {. g., epdm nrog<10% set after 1,000 hours).
Cov tswv yim txij nkawm rau lub neej pabcuam puv nkaus lub neej
Kev tiv thaiv kev soj ntsuam
Kev kuaj pom thiab sab nraud:
Kev tshuaj xyuas txhua xyoo rau:
Cov kab nrib pleb hauv elastomers (taw qhia tshuaj lom neeg lossis overheating) .
PTFE cold flow (deformation >0 {.} 5 hli yuav tsum hloov).
Tawv Force Force Ntsuas:
Torque kuaj kom paub tseeb zaum kev ntxhov siab ntau dua lossis sib npaug rau 10 MPa rau kev daws teeb meem kev sib khi ....
Ib puag ncig kev txiav txim siab
Corrosive ib puag ncig:
Lub quarterly lubrication nrog tshuaj-resistant roj (e ., ptfe-based) rau qia ntsaws ruaj khov {}}
Kev Kub Siab Kub:
Kev hloov pauv txhua xyoo los tiv thaiv oxidation (kev pabcuam lub neej ntawm 300 degree) {{2} {2}
Cov sijhawm sib hloov pauv cov sijhawm
Elastomeric Ntsaws Ruaj Ruaj:
Hloov txhua 3-5} xyoo nyob rau hauv cov dej (epdm); 1-2} xyoo nyob rau hauv chemicals (viton) .
PTFE ntsaws ruaj ruaj:
Hloov txhua 5-8 xyoo hauv cov xov xwm tsis muaj abrasive; 2-3} xyoo hauv slurries .
Cov Ntaub Ntawv Kawm: Kev Cuam Tshuam Khoom Rau Lub Neej
Tshuaj Kev Cog Valve
Koom haum tshaj xov: 10% hcl ntawm 60℃.
Kaw xaiv:
EPDM: Ua tsis tiav hauv 6 lub hlis (o, tshuaj tua kab mob) .
PTFE: kav 8 xyoo nrog tsawg kawg ntawm kev coj .
Tseem ceeb tswv yim: PTFE's Tshuaj Kuj Txuas Kev Pab Lub Neej Ntawm Lub Neej Ntawm 16 × Vs. Elastomers {}}
Chav Cua Sov System Valve
Yam xwm txheej: 180 degree, 10 bar chav .
Foob kev ua tau zoo:
PTFE: Hardened tom qab 2 xyoos (thermal degradation) .
Graphite: tswj cov sealing rau 10+} xyoo yam tsis muaj kev ua tsis tau .
Qho kawg: Graphite ntsaws ruaj ruaj muab 5 × ntev ntev lub neej nyob rau hauv high-kub chav .
Offshore Roj Pipeline Valve
Huab cua: Seasater (3 {. 5% nacl), 50 degree, 15 bar.
Foob sib piv:
Neoprene: corroded hauv 1 xyoos (chloride nres) .
316l ss hlau foob: ua haujlwm rau 15 xyoos nrog tsis muaj leakage .
Tag: Cov ntsaws ruaj ruaj rau sab nrauv elastomers los ntawm 15 × hauv kev mob siab rau marrine .
Yav tom ntej cov ncauj lus hauv cov ntaub ntawv sealing rau kev ua haujlwm ntev
Nanocomposite sealing cov ntaub ntawv
**
Graphene-txhawb PTFE:
0 {. 5% Graphene txo cov khaub thuas 800%, txuas ntxiv PTFE Service lub neej txij 8 txog 15 xyoos.
Cov Nanotube (CNT) Elastomers:
Cnt-epdm composites nce tshuaj tiv thaiv los ntawm 300% nyob rau hauv acids .
Yus tus kheej kho cov ntsaws cov thev naus laus zis
Microencapsulated elastomers:
Capsules tso tawm cov neeg sawv cev ntawm kev tawg, sib khi me me tsis xws luag saib xyuas automonously .
Daim duab nco polymer corde:
Restore thawj puab tom qab lub zog cycling, tswj hwm kev quab yuam sealting tshaj 10, {0} mus.
Ntse Seev Saib Xyuas Tshuab
Iot-enabled foob sensors:
Ntsuas compression quab yuam, ntsuas kub, thiab tshuaj lom neeg raug nyob rau hauv real-time .
AI-kwv yees hloov lub sijhawm hloov:
Tshuab kawm qauv kev sib tw ua haujlwm tsis ua haujlwm nrog 90% qhov tseeb, txhim kho kev txij nkawm.
Tag
Kev xaiv ntawm cov ntaub ntawv sib tw yog qhov tseem ceeb ntawm tooj dag gate, thiab cov khoom siv tshuab hluav taws xob muaj kev cuam tshuam nrog kev ua haujlwm ntev ntev Foob cov ntaub ntawv rau cov xov xwm tshwj xeeb, cov kev xav tau, enterning beels cov ntaub ntawv ua ntej, ua kom zoo rau cov khoom siv dag zog ua ntej, ua kom muaj kev sib raug zoo thiab cov kev pabcuam tooj dag zog ua ntej kev ua tau zoo thiab lub cev muaj kev cia siab .
Cim npe nrov: Brass Flange Rooj Rooj Vag Valve, Suav, Tuam Tshoj Chaw tsim khoom, Hoobkas, pheej yig, tus nqi qis, hauv Tshuag, qauv dawb
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