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 tsom xam ntawm cov kev ntsuas siab thiab siv cov kev ua haujlwm ntawm brass rooj vag valve
Lub hauv paus rau phau ntawv
Brass Rooj vag li qub rau cov khoom siv hauv dej, nrog kev ntsuas ua haujlwm zoo rau kev ua haujlwm zoo nkauj Cov Kev Siv .} los ntawm kev tshuaj xyuas cov khoom siv, cov qauv tsim qauv, thiab cov kws tsim qauv tiag tiag tuaj yeem ua kom muaj kev sib raug zoo RUBE thiab system muaj kev ntseeg siab {}}
Tshuab siab ntaus nqi thiab cov qauv
Kev Ntsuas Cov Kev Ntsuam Xyuas Thoob Ntiaj Teb
Nrag cov rooj vag li qub ua raws li kev sib txuas siab siab ntaus tshuab:
Pn (siab nominal): Ntau yam nyob hauv Tebchaws Europe, tsim kev siab siab hauv bar . A PN16 Valve yog nyob rau 16 bar (232 psi).
Kev Ntsuas Chav Kawm: Siv nyob rau hauv North America, raws li asme b 16.34.}}}}} withstand kub .
BS En 1074: British tus qauv ntsuas qhov siab-ntsuas kub rau cov dej ua haujlwm li cas, txhais tau pn {} siv}}} {3}
Siab-kub (PT) cov duab kos
**
PT cov kab kos cuam tshuam txog kev ntsuas siab kom ntsuas kub:
Ambient kub (20 degree): Ib qho pn20 brass valve (c36000) withstal 20 bar, tab sis ntawm 100 degree, txoj kev ntsuas ntsuas mus rau 12 .
Kub: Tooj dag poob 15% lub zog tensile ntawm 100 degree, xav tau cov siab txo {tus nqi ntawm 150 psi at the 200 depur f {{8}
Kev kuaj thiab ntawv pov thawj
Plhaub mus xeem: 1.5× rated pressure for 15 minutes (e.g., PN16 valve tested at 24 bar).
TES TES: 1 {{. 1 × Cov ntsuas ntsuas siab, tsawg dua los yog sib npaug rau 0.01 × dn (mm / min) xau.
Kev Kuaj Mus Ncig:)
Qhov Tseem Ceeb Tiv Thaiv Kev Ntsuas
Cov Khoom Siv Khoom Siv thiab Kev Tsim Kho
Tooj dag alloy muaj pes tsawg:
C36000 (61% CU, 39% ZN): Tensile Lub Zog 370 MPa, haum rau pn {} pn 25.
C89833 (Aluminium-tooj dag): 400 mpa kom muaj zog, ua rau muaj zog, ua rau cov ntau loj thiab tsawg}
Phab Ntsa Thickness: Suav los ntawm Barlow tus qauv: t {{}}}}}}}}} Txoj Haujlwm Kev ntxhov siab {}. rau a 2- nti valve ntawm 16 bar, t =3.2 mpa mpa mpa}} {13.
Cov txheej txheem tsim khoom: Forged tooj dag li qub muaj 20% ntau dua cov kev ntsuas ntau dua li ntiab tawm vim yog cov khoom lag luam grain .
Tsim cov yam ntxwv thiab kev faib tawm kev ntxhov siab
Qauv Tsim Qauv: Bolted Bonneks nrog cov ntsaws ruaj ruaj nrog cov ntsaws ruaj ruaj (PTFE lossis kauv} n}}
Rooj vag Rigidity: Cov khoom siv npoo hauv DN hauv DN 50+ lawb tawm kom tiv thaiv kev sib tw hauv siab los ntawm 50% ntawm 16 bar .
Qia Lub Zog: Threads stems (ACME lossis Trapezoidal) yuav tsum muaj lub suab tawv loj dua lossis sib npaug}}}} {5} n rau 100 mm lub rooj vag).
Siv tau hauj lwm cov haujlwm rau ntau haiv neeg xov xwm
Cov Dej Cov Khoom Siv Potable
Siab Ntau Yam: {2-10 bar ({}} psi}} pn16}} pn16?} Ps}
Txwv qhov kub txwv: Tsawg dua los yog sib npaug rau 80℃los tiv thaiv kev tiv thaiv dozincification ins2}} ntawm 60 degree, tooj dag li qub nyob rau hauv cov dej muag (cigo₃<50 ppm) have 0.05 mm/year corrosion rate, vs. 0.02 mm/year at 20°C.
Dej Zoo: Hard water (CaCO₃ >200 ppm) cov qauv tiv thaiv, tso cai rau kev ua haujlwm siab dua (nce mus txog PN20) nrog kev kho kom raug.
Muaj Cov Txheej Txheem Chav Ua Dej
Chav Kev Siv:
Siab: txog li 10 bar (145 psi) ntawm 180 degree, siv cov txhuas tsis muaj tooj liab nrog cov rooj zaum npib tsib-plated {}}
Limitation: Zinc volatilization at >200℃txwv txo cov chav kub kom tsawg dua lossis sib npaug rau 190℃rau pn16 li qub.
Compressed cua:
Siab: {{{06-10 bar ({1}}}}}}}}}}
Me acids / alkalis:
pH {4-10, tsawg dua los yog sib npaug ntawm 6℃withined li qub hauv 5%
Tubrog Nkoj thiab High-Corrosion Ib puag ncig
Dej hiav txwv:
Siab: Tsawg dua los yog sib npaug rau 10 bar (145 psi), siv alinch-trass (20, {?
Cov Ntawv Thov Offshore:
Kub: {{-20℃rau 60 degree, xav tau kev cuam tshuam rau tooj dag zog (charpy v-} {{5 .
Xaiv Xaiv thiab Kev Sau Npe
Siab Ntsuam Xyuas Sib Tw
Muab rau qhov kub: Siv cov kab kos PT los kho cov kev ntsuas . chav kawm 12 {} {{6} {{}.
Kev Nyab Xeeb Kev Nyab Xeeb: Thov 1 {{{. 5} . ib lub valve nyob rau hauv 8 barr system yuav tsum tau muaj pes tsawg pn16 (16 bar).
Kev Txiav Txim Siab Tshaj Tawm
Corrosion Allowance: Ntxiv 1-2 hli phab ntsa tuab rau seasater valve hauv 3%}} mm rau dej) {.
Foob Cov Khoom Xaiv:
EPDM: tsawg dua los yog sib npaug rau 120 degree, haum rau dej / roj.
PTFE: tsawg dua los yog sib luag rau 260 degree, zoo tagnrho rau chav / tshuaj noj tab sis yuav tsum tau 30% dua kaw lub zog.
Txhim kho thiab ua haujlwm txwv
Kev Tiv Thaiv Kev Tiv Thaiv Siab: 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 hwm kev nthuav dav thermal: Allow 0.15 mm/100 mm expansion for temperature swings. Use flexible hoses or expansion joints in systems with >50 DEPITE kub hloov pauv .
Kev Kawm Cov Ntaub Ntawv Xav Txog Kev Ntsuas Siab Ntsuas
Cov Dej Kaj Siab Tshaj Plaws
4- nti tooj dag brass rooj vag valve nyob rau hauv lub tsev siab (60 m qhov siab):
Siab Xam: Hydrostatic siab=60 m × 0 {{}}}}=6 bar.
Ntsuam Xyuas Kev Ntsuas: Pn10 valve (10 bar) nrog 1 . × kev nyab xeeb.
Ua yeeb yam: Withstood 8 bar thaum lub sij hawm nqus dej; tsis muaj xau ntxiv tom qab 5 xyoos kev ua haujlwm .
MUAJ MUAJ CHOV CUA KUB
{2.5- nti valve nyob rau hauv ib 150 degree, 8 bar chav kab:
Cov Khoom Xaiv: C89833 Aluminium-tooj (tensile lub zog 400 mpa ntawm 150 degree) {{4 4}}
Tso ua: 8 bar tsawg dua los yog sib npaug rau 10 bar (pn10 ntaus nqi ntawm 150 degree) .
Qho kawg: Khiav lag luam rau 8 xyoo nrog kev tshuaj xyuas txhua xyoo; Cov me nplai tsim, tsis muaj qhov kev ua kom yuam-.
Offshore platform cua txias dej
{3- nti valve hauv seawater (20, {} ppm clr 0., 6 bar siab:
Kev Hloov Kho: Aluminium-tooj dag lub cev, zinc anode, PTFE tog .
Siab Ntsuam: Pn16 (16 bar) rau tus account rau 60% derating vim yog corrosion .
Qho kawg: Tom qab 3 xyoos, xeb tus nqi<0.02 mm/year; maintained pressure integrity.
Yav Tom Ntej Cov Qauv Hauv Siab Ntsuam Xyuas Kev Ua Haujlwm
Cov ntaub ntawv tshaj lij
Nanocomposite tooj dag: 5% graphene oxide txhawb qhov zog nce tensile lub zog los ntawm 30%, ua kom muaj kev sib tw ntau dua (dn}) {4 4}}
Hlau Matrix Composites Hlau: Tooj dag nrog 10% cua silicon carlicide cov lus tiv thaiv tiv taus
Smart Pading
Ua ke siab sensors: Mems Sensors nyob rau hauv Valve Lub Cev Muab cov ntaub ntawv siab tiag tiag-ntsuas kub, kev ceeb toom thaum nce 80% ntawm cov ntsuas ntsuas kub {}}
Kev twv xyuas cov anyalytics: Ai Algorithms tshawb xyuas lub voj voog mus rau kev ua kom lub neej tseem tshuav, txo kev txo qis zuj zus los ntawm 50%.
Ntxiv Kev Lag Luam
Lub Topology-optimized Li Qub: 3D-prined tooj dag li qub nrog cov qauv huab cua muaj kev ntsuas siab thaum txo cov kev ntsuas kom ua kom muaj kev cuam tshuam nrog ua kom muaj kev ntxhov siab tsis zoo.
Tag
Cov qauv kev ntsuas siab thiab kev ua haujlwm ntawm cov qauv sib tw ntawm cov khoom siv dag zog, thiab kev tshuaj xyuas cov khoom siv hluav taws xob ua ntej, thiab kev tshuaj ntsuam cov khoom siv ntawm cov kev xav tau ntawm cov ntawv thov siab dua thiab cov khoom siv hnyav dua ua hauj lwm ib puag ncig, kev ncaj ncees raws li cov khoom siv hauv cov kua tswj cov tshuab .