Covvalveyog ib qho kev tswj xyuas nyob rau hauv lub tshuab xa dej, uas muaj cov haujlwm xws li kev txiav tawm, kev hloov kho, kev khiav dej num, kev tiv thaiv kev thim rov qab, kev ruaj khov siab, kev khiav dej num los yog dej ntws tawm. Valves siv nyob rau hauv kev tswj cov kua dej muaj xws li los ntawm qhov yooj yim tshaj plaws cut-off li qub mus rau ntau yam li qub siv nyob rau hauv tsis tshua muaj heev tsis siv neeg tswj systems, nrog rau ntau yam ntawm ntau yam thiab specifications. Valves tuaj yeem siv los tswj cov dej ntws ntawm ntau hom kua xws li huab cua, dej, chav dej, ntau yam corrosive media, av nkos, roj, kua hlau thiab xov tooj cua. Valves kuj tau muab faib ua cam khwb cia hlau li qub, cam khwb cia steel li qub, stainless hlau li qub, chrome molybdenum steel li qub, chrome molybdenum vanadium steel li qub, duplex steel li qub, yas li qub, tsis yog tus qauv kev cai li qub thiab lwm yam khoom siv valve raws li cov khoom siv. Dab tsi kev cai yuav tsum tau them sai sai rau thaum yuav khoom li qub
1. Valve specifications thiab pawg yuav tsum tau raws li cov kev cai ntawm pipeline tsim cov ntaub ntawv
1.1 Tus qauv ntawm lub valve yuav tsum qhia tus lej ntawm cov qauv hauv lub tebchaws. Yog tias nws yog tus qauv kev lag luam, cov lus piav qhia txog tus qauv yuav tsum tau qhia.
1.2 Lub siab ua haujlwm ntawm lub valve xav tau≥kev ua haujlwm siab ntawm cov kav dej. Nyob rau hauv qhov chaw tsis muaj kev cuam tshuam rau tus nqi, kev ua haujlwm siab uas lub valve tuaj yeem tiv taus yuav tsum siab tshaj qhov ua haujlwm siab ntawm cov kav dej; ib sab ntawm lub valve yuav tsum muaj peev xwm tiv taus 1.1 npaug ntawm kev ua haujlwm siab ntawm lub valve thaum nws raug kaw tus nqi, tsis muaj to; Thaum lub valve qhib, lub valve lub cev yuav tsum muaj peev xwm tiv taus qhov yuav tsum tau ua ob zaug ntawm kev ua haujlwm siab ntawm lub valve.
1.3 Rau cov qauv tsim valve, lub teb chaws tus qauv ntawm lub hauv paus yuav tsum tau teev. Yog tias nws yog tus qauv kev lag luam, cov ntaub ntawv lag luam yuav tsum tau txuas nrog rau daim ntawv cog lus yuav khoom
2. Xaiv cov khoom ntawm lub valve
2.1 Cov khoom siv valve, txij li cov kav dej grey cam khwb cia yog maj mam tsis pom zoo, cov khoom siv ntawm lub cev valve yuav tsum yog cov hlau tsis huv, thiab qib thiab cov ntaub ntawv kuaj lub cev thiab tshuaj lom neeg ntawm cov khoom yuav tsum tau qhia.
2.2 NwsvalveCov khoom siv qia yuav tsum tau ua los ntawm stainless hlau valve qia (2CR13), thiab txoj kab uas hla loj yuav tsum yog lub valve qia embedded hauv stainless hlau.
2.3 Cov khoom siv txiv ntoo yog cam khwb cia txhuas tooj dag lossis cam khwb cia txhuas bronze, thiab nws qhov nyuaj thiab lub zog yog ntau dua li ntawm lub qia valve.
2.4 Cov khoom ntawm lub valve qia bushing yuav tsum tsis muaj hardness thiab lub zog ntau dua li ntawm lub valve qia, thiab nws yuav tsum tsis txhob tsim electrochemical corrosion nrog lub valve qia thiab valve lub cev nyob rau hauv dej immersion.
2.5 Cov khoom ntawm lub sealing nto①Muaj ntau homli qub, sib txawv sealing txoj kev thiab cov khoom yuav tsum tau;②Ordinary wedge gate li qub, cov khoom siv, kho txoj kev, thiab txoj kev sib tsoo ntawm lub nplhaib tooj liab yuav tsum tau piav qhia;③Mos-sealed rooj vag li qub, cov khoom siv roj hmab hauv ob sab phlu ntawm lub phaj valve Lub cev, tshuaj lom neeg thiab kev kuaj xyuas cov ntaub ntawv;④Npauj npaim li qub yuav tsum qhia cov khoom siv ntawm lub sealing nto ntawm lub valve lub cev thiab cov khoom ntawm lub sealing nto ntawm tus npauj npaim phaj; lawv cov ntaub ntawv kuaj lub cev thiab tshuaj lom neeg, tshwj xeeb tshaj yog kev tu cev, kev ua haujlwm tiv thaiv kev laus thiab hnav tsis kam ntawm roj hmab; Qhov muag roj hmab thiab EPDM roj hmab, thiab lwm yam, nws yog nruj me ntsis txwv tsis pub sib tov cov roj hmab reclaimed.
2.6 Valve ncej packing①Vim tias cov li qub hauv cov yeeb nkab network feem ntau qhib thiab kaw tsis tu ncua, cov ntim khoom yuav tsum tsis muaj zog rau ntau xyoo, thiab cov ntim khoom yuav tsis muaj hnub nyoog, thiaj li tswj tau cov nyhuv sealing ntev;②Lub valve ncej packing yuav tsum tuaj yeem qhib thiab kaw, cov nyhuv sealing zoo;③Raws li cov kev xav tau saum toj no, lub valve ncej ntim yuav tsum tsis txhob hloov lub neej lossis ntau tshaj kaum xyoo;④Yog tias cov khoom ntim yuav tsum tau hloov, lub valve tsim yuav tsum xav txog cov kev ntsuas uas tuaj yeem hloov tau raws li cov dej siab.
3. Hloov pauv ceev kis lub thawv
3.1 Cov khoom siv lub cev lub cev thiab sab hauv thiab sab nraud tiv thaiv corrosion yog raws li txoj cai ntawm lub valve lub cev. tus
3.2 Lub thawv yuav tsum muaj kev ntsuas kev sib khi, thiab lub thawv tuaj yeem tiv taus immersion hauv kab dej ntawm 3 meters tom qab sib dhos. tus
3.3 Rau qhov qhib thiab kaw cov cuab yeej txwv ntawm lub thawv, cov txiv ntoo kho yuav tsum nyob hauv lub thawv. tus
3.4 Kev tsim qauv ntawm kev sib kis yog tsim nyog. Thaum qhib thiab kaw, nws tsuas tuaj yeem tsav lub valve ncej kom tig yam tsis ua rau nws txav mus los. tus
3.5 Lub thawv hloov pauv ceev thiab lub foob ntawm lub valve tsis tuaj yeem txuas rau hauv qhov tsis muaj paug tag nrho. tus
3.6 Tsis muaj cov khib nyiab hauv lub thawv, thiab cov iav meshing yuav tsum tau tiv thaiv los ntawm roj.
4.Valvekev khiav hauj lwm mechanism
4.1 Qhov qhib thiab kaw kev taw qhia ntawm kev ua haujlwm valve yuav tsum raug kaw clockwise. tus
4.2 Txij li thaum lub valve nyob rau hauv cov yeeb nkab network feem ntau qhib thiab kaw manually, tus naj npawb ntawm qhib thiab kaw revolutions yuav tsum tsis txhob ntau dhau, txawm li cas los loj-inch li qub yuav tsum nyob rau hauv 200-600 revolutions. tus
4.3 Txhawm rau pab txhawb kev qhib thiab kaw haujlwm los ntawm ib tus neeg, qhov siab tshaj plaws qhib thiab kaw lub zog yuav tsum yog 240m-m nyob rau hauv lub siab ntawm cov kav dej.
4.4 Lub sijhawm qhib thiab kaw qhov kawg ntawm lub valve yuav tsum yog lub kaum sab xis square nrog qhov ntev thiab fim hauv av kom cov neeg tuaj yeem ua haujlwm ncaj qha los ntawm av. Valves nrog discs tsis haum rau cov kav dej hauv av. tus
4.5 Zaub vaj huam sib luag ntawm valve qhib thiab kaw degree
①Lub nplai kab ntawm qhov qhib thiab kaw qhov ntsuas ntawm lub valve yuav tsum tau muab pov rau ntawm lub gearbox npog los yog ntawm lub plhaub ntawm lub vaj huam sib luag tom qab kev taw qhia tau hloov, tag nrho cov ntsia hlau rau hauv av, thiab cov nplai kab yuav tsum tau pleev xim rau cov hmoov fluorescent los qhia. qhov muag pom; Nyob rau hauv cov xwm txheej zoo dua, stainless hlau phaj tuaj yeem siv tau, txwv tsis pub nws yog xim hlau phaj, tsis txhob siv cov tawv nqaij aluminium los ua nws;③Qhov taw qhia koob yog qhov muag pom thiab ruaj khov, thaum qhov qhib thiab kaw qhov kev hloov kho yog qhov tseeb, nws yuav tsum tau muab xauv nrog rivets. tus
4.6 Yog tiasvalveyog faus tob, thiab qhov kev ncua deb ntawm kev khiav hauj lwm mechanism thiab cov zaub vaj huam sib luag yog≥15m los ntawm hauv av, yuav tsum muaj qhov txuas txuas ntxiv, thiab nws yuav tsum tau kho kom ruaj khov kom cov neeg tuaj yeem saib xyuas thiab ua haujlwm hauv av. Qhov ntawd yog hais tias, qhov qhib thiab kaw kev ua haujlwm ntawm cov li qub hauv cov yeeb nkab network tsis haum rau kev ua haujlwm downhole.
5. Valvekev ntsuas kev ua haujlwm
5.1 Thaum lub valve yog tsim nyob rau hauv batch ntawm ib tug tej yam specifications, lub koom haum tso cai yuav tsum tau entrusted los ua cov nram qab no kev ntsuam xyuas:①Qhov qhib thiab kaw lub zog ntawm lub valve nyob rau hauv kev ua haujlwm siab;②Raws li kev ua haujlwm siab, lub sijhawm qhib thiab kaw tas li uas tuaj yeem ua kom lub valve kaw kom nruj;③Kev kuaj xyuas qhov dej tsis kam coefficient ntawm lub valve nyob rau hauv cov xwm txheej ntawm cov kav dej xa dej. tus
5.2 Cov kev ntsuam xyuas hauv qab no yuav tsum tau ua ua ntej lub valve tawm ntawm lub Hoobkas:①Thaum lub valve qhib, lub valve lub cev yuav tsum tiv thaiv qhov ntsuas sab hauv ntawm ob zaug ntawm lub siab ua haujlwm ntawm lub valve;②Thaum lub valve raug kaw, ob sab yuav tsum dais 11 lub sij hawm ua hauj lwm siab ntawm lub valve, tsis muaj to; tab sis cov hlau nplaum npauj npaim valve, tus nqi xau tsis ntau dua li qhov yuav tsum tau ua
6. Sab hauv thiab sab nraud los tiv thaiv corrosion ntawm li qub
6.1 Sab hauv thiab sab nraudvalvelub cev (xws li lub thawv sib kis ceev ceev) yuav tsum tau txhaj tshuaj blasted thawj zaug kom tshem tawm cov xuab zeb thiab xeb, thiab siv zog rau electrostatically tsuag hmoov tsis muaj tshuaj lom epoxy resin nrog lub thickness ntawm 0 ~ 3mm los yog ntau tshaj. Thaum nws yog ib qho nyuaj rau electrostatically spray non-toxic epoxy resin rau ntxiv-loj li qub, zoo xws li cov xim tsis muaj tshuaj lom epoxy yuav tsum tau txhuam thiab txau.
6.2 Sab hauv ntawm lub cev valve thiab txhua qhov chaw ntawm lub phaj valve yuav tsum tau ua kom muaj kev tiv thaiv corrosion. Ntawm ib sab, nws yuav tsis xeb thaum ntub dej, thiab tsis muaj electrochemical corrosion yuav tshwm sim ntawm ob lub hlau; ntawm qhov tod tes, qhov saum npoo yog du kom txo tau cov dej tsis kam. tus
6.3 Cov kev cai tu cev ntawm cov tshuaj tiv thaiv corrosion epoxy resin los yog pleev xim rau hauv lub valve lub cev yuav tsum muaj cov ntaub ntawv ntsuam xyuas ntawm cov cai sib xws. Cov khoom siv tshuaj lom neeg thiab lub cev yuav tsum ua kom tau raws li qhov yuav tsum tau ua
7. Valve ntim thiab kev thauj mus los
7.1 Ob sab ntawm lub valve yuav tsum tau muab kaw nrog lub teeb thaiv daim hlau. tus
7.2 Qhov nruab nrab thiab me me caliber li qub yuav tsum tau bundled nrog straw ropes thiab thauj nyob rau hauv ntim.
7.3 Loj-inch li qub tseem tau ntim nrog cov ntoo yooj yim tuav kom tsis txhob muaj kev puas tsuaj thaum lub sijhawm thauj mus los
8. Tshawb xyuas lub Hoobkas phau ntawv ntawm lub valve
8.1 Lub valve yog cov khoom siv, thiab cov ntaub ntawv tseem ceeb hauv qab no yuav tsum tau qhia hauv lub Hoobkas phau ntawv: valve specification; qauv; ua haujlwm siab; tsim qauv; valve lub cev khoom; valve qia khoom; sealing khoom; valve ncej packing khoom; valve qia bushing khoom; Anti-corrosion khoom; kev taw qhia pib ua haujlwm; kiv puag ncig; qhib thiab kaw torque nyob rau hauv kev ua haujlwm siab;
8.2 npeTWS VALVEchaw tsim khoom; hnub tsim khoom; serial tooj ntawm lub Hoobkas: hnyav; lub aperture, tus naj npawb ntawm qhov, thiab qhov nrug ntawm qhov nruab nrab ntawm qhov sib txuasflangetau qhia hauv daim duab; tswj qhov ntev ntawm tag nrho qhov ntev, dav, thiab qhov siab; qhib thiab kaw lub sijhawm zoo; valve flow resistance Coefficient; cov ntaub ntawv ntsig txog valve ex-Factory tshuaj xyuas thiab ceev faj rau kev teeb tsa thiab kev saib xyuas, thiab lwm yam.
Post lub sij hawm: Jan-12-2023
