Nyob qhov twg pob li qub siv?

Pob li qub muaj qhov zoo ntawm cov qauv yooj yim, kev sib khi zoo, qhib nrawm thiab muaj zog corrosion tsis kam. Nws yog qhov tsim nyog tshwj xeeb rau cov raj hluav taws xob uas yuav tsum tau kaw lossis kho tus nqi txaus ntawm kev tshaj tawm sai. Cov ntawv thov tseem ceeb thiab cov ntawv teev npe ntawm cov pob tw tau piav qhia nyob rau hauv kev nthuav dav hauv qab no:
1.industry: Cov txheej txheem tseem ceeb tswj cov khoom tseem ceeb;
Roj thiab Roj Kev Lag Luam
Daim Ntawv Thov: Roj Thiab Cov Roj Saw Saw, suav nrog kev rho tawm, Tsheb thauj mus los, thiab lwm yam ..
Tsuas: siv los tswj cov ntws ntawm cov roj thiab roj los ntawm Wellheads thiab cov ntoo Christmas.
Kev Kis tau: Rau cov kav dej deb xws li West - East Gas Hloov Valve.
Chaw tsim hluav taws xob: siv los tswj cov kub thiab cov khoom siab siab (xws li hydrogen, Chav, thiab lwm yam.
Cov ntawv pov thawj tshwj xeeb: API 6D, ISO 17292 muaj ntawv pov thawj, tiv thaiv hluav taws kub, hydrogen sulfide tsis kam.
Tshuaj Kev Lag Luam
Lub Hom Phiaj: Pipeline rau kev tawm xov xwm corrosive xws li acid, alkali thiab ntsev. Rau cov mob corrosive heev: kev kho mob xws li hydrochloric acid acid thiab sulfuric acid thiab sulfuric acid nrog fluorine-, PTFE lossis PFA).
Nyob rau hauv cov kev mob siab: Hlau Sealing Pob Khoom Siv (xws li cov hlau stainless lossis kub alloy) yog siv rau cov pa ntsev ntau lossis molten ntsev piping.
Kev Kawm Kev Kawm: Hauv chlor - Alkali chav nyob ntawm cov tshuaj lom neeg muaj cov tshuaj lom neeg tsis muaj kev lom zem, hloov cov rooj vag loj heev.
Dej Kho thiab Kev Lag Luam Ib puag ncig
Siv: Kev kho dej khib nyiab, dej hiav txwv dej hiav txwv xav tau, cov khoom siv dej.
Kev kho dej lwg: Yas {0} ballvc thiab cpvc) yog cporine {}}}} {}} {}} {}}}}}}} {}}} {}}} {}} {}}}}}} {}}} {}} {}} {}}}} {}} {}}}} {}}}}}}} {}}} {}} {}}}}}} {}}} {}}} {}}}} {}}}}}} {}}}} {}}}}}} {}}}}} {}}} {tus tiv taus thiab siv tshuaj mis nyuj tshuab piping.
Dej hiav txwv weavination: titanium alloy pob li qub yog ib hom dej hiav txwv resistant valve siv rau kev kub siab rau kev hloov kho osmosis membrane.
Lub zog: tag nrho cov caliber tsim, txo qis siab poob, txo kev haus dej hluav taws xob.
Kev lag luam fais fab
Lub Hom Phiaj: Boiler Fewawe, Chav Dej Pipelines, Cua Txias Dej System, thiab lwm yam.
Kev kub siab, cov pa hluav taws xob siab: steel npas li qub (piv txwv li A105 lossis F91) tiv taus kom muaj qhov kub siab txog 600 qib. Lub zog nuclear: ASME BPVC ntawv qhia ntawv yog qhov tsim nyog yuav tau raws li kev nyab xeeb nuclear kev nyab xeeb.
Kev Kawm Kev Kawm: Hluav taws xob pob li qub yog siv rau cov chaw taws teeb tsis siv neeg tswj ntawm cov dej txias hauv lub zog hluav taws xob hauv hluav taws xob hauv kev cog ntoo nuclear.
ii. Folk app: Cov neeg saib xyuas tsis pom zoo 'ntawm lub neej txhua hnub
Dej Kev Siv Thiab Cov Hluav Taws Xob Rau Cov Vaj Tse
Lub Hom Phiaj: Cov kav dej kub thiab txias rau cov dej khov rau cov chaw nyob thiab ua lag luam.
Dej rau nyob: tooj dag npas qaib (piv txwv li, dn15-DN50) yog siv rau Rhaub Dej Kub thiab Kev Tswj Xyuas Dej.
Kev Tiv Thaiv Hluav Taws: Nrov Hlau Pob Tseg (xws li DN 65-DN 150) yog siv los kaw cov tshuaj tsuag hluav taws.
Cov txiaj ntsig: Yooj yim qhib thiab kaw, kev pabcuam lub neej ntawm ntau dua 10 xyoo, txo tus nqi txij nkawm.
Cua sov, dim pa thiab cua txias)
Lub Hom Phiaj: Cov tshuab cua txias txias thiab txias kav dej.
Ntws Control Contrator: Fais Peb - Txoj Kev Ball Li Sib Tw Dej Sib npaug rau thaj chaw sib txawv thiab txhim kho kev txuag hluav taws xob thiab txhim kho kev siv hluav taws xob.
Lub caij ntuj no tso dej: cov plaub hau li qub nrog cov chaw tso dej kom tsis txhob muaj cov kav dej ntws los ntawm khov thiab tawg, cua txias cua txias ntawm sab qaum teb khw). Kev Kawm Kev Kawm: Cov ntaub ntawv chaw siv cov khoom hluav taws xob ntse uas tau kho cov dej txias kom haum raws li lub nra, txuag 15% ntawm kev siv hluav taws xob ib xyoos.
Cov Khoom Siv Hluav Taws Xob
Siv: ntuj roj thiab liquefied roj pipelines.
Cov roj av hauv tsev: Tshwj xeeb roj pob pob valve (xws li tooj dag) nrog lub xauv kev nyab xeeb kom tiv thaiv kev ua haujlwm tsis zoo.
Cov Roj: Stainless Hlau pob li qub yog siv rau kev nkag mus tswj cov roj roj thiab cov khoom ci ci.
Cov cai kev nyab xeeb: Daim ntawv pov thawj xws li GB / T21391 thiab EN331 yuav tsum tau thiab yuav tsum muaj kev txiav nyiaj ntau dhau.
III. Kev Ua Haujlwm Tshwj Xeeb: Kev ua tau zoo hauv cov chaw ib puag ncig
Ultra - qhov kub tsawg (-196℃rau -269 degree)
Siv: LNG cia thiab tsheb thauj mus los, ua kua nitrogen ntau lawm, thiab lwm yam.
Xaiv cov khoom siv: Austenitic Stainless hlau (piv txwv li} l, {}}}}}} kub ntshiab.
Foob qauv: caij nplooj ntoos hlav - phoo ntawv polytetrosraTrene (PTFE) ntsaws ruaj ruaj ua kom sov. Kev Kawm Kev Kawm: Ib qho Inlet pob valve ntawm lub lng davhlau ya nyob twg ua haujlwm tau zoo kawg nkaus ntawm -162℃rau tsib xyoos.
High temperature applications (>600 degree):
Daim Ntawv Thov: Hightemperatature Media Pipelines hauv metallurgy, thermal zog zog tiam, thiab lwm yam ..
Xaiv cov khoom siv: Siv siab - kub alloys xws li spark plugs 625 thiab hastelloy.
Cov qauv kev ua kom zoo: lub hlauhard Foob tsim tuaj yeem tiv thaiv cov yaig ntawm cov ntsuas kub siab.
Kev Kawm Kev Kawm: Ni {{- Alloy Pob Valve yog siv nyob rau hauv lub zog loj rauv roj, thiab nws cov kev pabcuam lub neej yog 3 zaug ntawm kev ua pob ua si ib txwm muaj.
- Visce} Visc Viscosity Daim Ntawv thov: Thauj cov kua tsheb thauj mus los ntawm bitumen, cob thiab chocolate.
Flow Design: Txais yuav tag nrho - caliber lossis eccentric qauv los txo cov xov xwm tseem ceeb thiab qhov poob qis.
Kis hom: Fais lossis pneumatic actuatators nrog loj torque tsim los xyuas kom meej du qhib thiab kaw.
Kev Kawm Kev Kawm: Lub hoobkas chocolate siv li qub, CIP tu tom qab tsis muaj qhov seem, 99.8 ntawm cov khoom dhau tus nqi. IV. Kev Xaiv Qhia Txog Sab Ntsiab: Sib Xws Vuam Ua Haujlwm Rau Kev Ua Haujlwm
Cov yam ntxwv xov xwm
Corrosion: rau cov muaj zog acids thiab alkalines, xaiv cov tshuaj fluorine - txoj kab lub pob valve; Rau seawater, titanium alloy pob valve.
Viscosity: rau high - viscosity media, ib tag nrho- caliber lossis eccentric pob valve yuav tsum tau xaiv.
Rau cov xov xwm muaj cov khoom siv, nyuaj - Creat Brows lub pob valve yuav tsum tau raug xaiv los txhim kho lawv txoj kev ua kom tsis taus.
Siab thiab kub
High pressure (>10MPA): Xaiv wrought steel pob valve xws li A105 lossis F91.
High temperature (>400 degree): Xaiv tus nickel - puag alloy pob li qub xws li Innonel 625.
Tsawg kub (<-50°C): Opt for an austenitic stainless steel ball valve such as 316L.
Txoj kev tswj
Los ntawm txhais tes: Haum rau tsawg zaus qhib thiab kaw (xws li cov dej siv tsev neeg).
Hluav Taws Xob / Pneumatic: Siv rau cov tshuab tswj tsis siv neeg (piv txwv li cov nroj tsuag tshuaj thiab cov tshuab hVAC).
Cov kev txawj ntse tswj: Kev sib koom ua ke thiab cov neeg ua haujlwm tuaj yeem saib xyuas thiab tswj cov dej thiab cov ntaub ntawv hluav taws xob). Cov ntsiab lus Executive: Cov khoom ntim pob muaj kua tswj cov kws paub nrog AA "Universal kev yoog tau" mus kom ze. Pob li qub yog ib qho ntawm feem ntau siv valve valve hom kev tswj hwm, los ntawm cov dej hluav taws xob, ntawm qhov kub thiab txias} qhov kub thiab txias thiab kub siab. Valve dityectric yam ntxwv, siab thiab ntsuas kub thiab kev tswj kom tau thiab peev nyiaj yuav raug coj mus rau thaum xaiv li qub. Qhov tseem ceeb yog muab rau cov ntawv pov thawj kev lag luam txhim khu kev qha tshwj xeeb hom (piv txwv li API, ASME, GB, thiab lwm yam) kom ntseeg tau tias muaj kev nyab xeeb thiab kev ua haujlwm zoo.