Yuav Ua Li Cas Xaiv Txoj Cai Laboratory Gas Valves

Hauv cov chaw soj nstuam niaj hnub no, cov roj li qub yog cov khoom tseem ceeb uas yuav tsum tau ua kom muaj kev nyab xeeb, ua haujlwm tau zoo, thiab xa cov pa roj kom meej rau ntau yam kev tshawb fawb thiab kev lag luam. Los ntawm analytical chemistry thiab biotechnology mus rau kev tshawb fawb tshuaj thiab khoom siv science, Laboratory gas li qub tswj cov dej ntws ntawm cov pa xws li nitrogen, oxygen, hydrogen, thiab compressed cua, tiv thaiv kom tsis txhob muaj dej, tswj lub siab, thiab tiv thaiv cov neeg ua haujlwm thiab cov khoom siv. Kev xaiv lub valve yog qhov tseem ceeb vim tias kev xaiv tsis zoo tuaj yeem ua rau muaj kev nyab xeeb, kev ua haujlwm tsis zoo, lossis kev sib kis ntawm kev sim siab. Piv txwv li, nyob rau hauv ib tug high-purity ib puag ncig, txawm me me los ntawm ib tug incompatible valve yuav qhia impurities, skewing tshwm sim nyob rau hauv roj chromatography los yog cell culture daim ntaub ntawv.

Kev ua lag luam rau cov cuab yeej siv roj siv tau nthuav dav, tau tsav los ntawm kev nce qib hauv kev tshawb fawb thiab kev tswj hwm kev nyab xeeb. Raws li kev pom kev lag luam, kev xaiv cov li qub suav nrog kev ntsuas cov yam ntxwv xws li hom roj, qhov xav tau siab, cov khoom siv sib xws, thiab ua raws li cov qauv. Tsab ntawv xov xwm no muab cov lus qhia dav dav rau kev taw qhia cov kev xaiv no, kos duab ntawm cov kws tshaj lij cov lus pom zoo thiab cov kev qhia tshwj xeeb. Peb yuav hais txog cov hauv paus ntsiab lus ntawm kev sim roj av, hom valve, xaiv cov txheej txheem, cov khoom siv, kev nyab xeeb, kev teeb tsa, kev saib xyuas, thiab qhov pitfalls kom zam. Thaum kawg, koj yuav tau nruab rau kev txiav txim siab paub tseeb uas txhim kho kev ua haujlwm hauv chav kuaj thiab kev nyab xeeb. Txawm hais tias koj tab tom teeb tsa lub chaw tshiab lossis hloov kho ib qho uas twb muaj lawm, nkag siab txog cov ntsiab lus no tuaj yeem tiv thaiv tus nqi tsis raug thiab xyuas kom muaj kev ua raws cai.

Laboratory gas li qub txawv ntawm cov khoom lag luam vim qhov xav tau qhov tseeb hauv cov xwm txheej tsis tshua muaj thiab tsis kam tiv thaiv corrosive lossis reactive gases. Lawv yuav tsum koom ua ke seamlessly nrog piping systems, regulators, thiab manifolds. Nrog rau cov kev xaiv xws li los ntawm rab koob yooj yim li qub mus rau kev hloov pauv tsis siv neeg siab heev, cov txheej txheem xaiv xav tau qhov sib npaug ntawm kev ua haujlwm, nqi, thiab kav ntev. Cov peev nyiaj rau cov khoom lag luam zoo tuaj yeem muaj txij li $ 50 rau cov qauv yooj yim mus rau ntau dua $ 500 rau cov khoom siv tshwj xeeb stainless hlau sib txawv, tab sis cov peev nyiaj them tawm hauv kev ntseeg tau thiab siv tau ntev.

Nkag siab txog Laboratory Gas Systems

Laboratory gas systems encompass lub infrastructure rau khaws cia, faib, thiab siv roj yam xyuam xim. Cov tshuab no feem ntau muaj xws li lub tog raj kheej, manifolds, pipelines, regulators, thiab li qub. Valves ua raws li cov ntsiab lus tswj, tso cai rau cov neeg siv pib, nres, lossis hloov cov pa roj ntws ntawm lub rooj zaum, fume hoods, lossis cov twj paj nruag. Hauv cov chaw muaj kev sib tw siab xws li tsev kho mob lossis cov chaw tshawb fawb, cov li qub yuav tsum tswj cov siab txog li 300 psi thaum tiv thaiv kev rov qab los yog kev sib kis.

Cov kev txiav txim siab tseem ceeb pib nrog cov khoom siv roj: cov pa roj tsis zoo xws li argon yuav tsum muaj cov yam ntxwv tsawg, thaum cov nplaim hluav taws xob zoo li hydrogen thov kev tawg-pov thawj tsim. Cov tshuab feem ntau suav nrog cov purifiers thiab cov ntxaij lim dej kom tswj tau cov roj purity, ua rau kev xaiv valve tseem ceeb rau kev ncaj ncees tag nrho. Piv txwv li, nyob rau hauv semiconductor labs, ultra-high purity yog qhov tseem ceeb, yuav tsum tau li qub nrog cov xau qis.

Cov koom haum tswj hwm xws li OSHA, NFPA, thiab ISO tau teeb tsa cov txheej txheem rau kev siv roj. OSHA's Laboratory Safety Guidance hais txog kev ruaj ntseg lub tog raj kheej thiab siv lub valve tsim nyog los txo cov kev pheej hmoo xws li asphyxiation lossis hluav taws kub. Kev nkag siab txog koj qhov chaw kuaj ntsuas - txawm tias nws yog qhov kev kawm me me lossis lub chaw muaj kev lag luam loj - pab txiav txim siab seb koj xav tau phau ntawv qhia lossis cov khoom siv li qub. Cov yam ntxwv ib puag ncig, xws li kub hloov pauv lossis av noo, kuj cuam tshuam rau kev xaiv, vim tias lawv tuaj yeem cuam tshuam rau kev sib khi.

Hom ntawm Laboratory Gas Valves

Laboratory gas li qub tuaj nyob rau hauv ntau hom, txhua tus haum rau cov kev siv tshwj xeeb. Peb lub hom phiaj tseem ceeb rau kev tswj roj yog rab koob li qub, rab koob zoo, thiab pob li qub. Koob li qub muab kev tswj xyuas meej los ntawm lub plunger tapered, zoo tagnrho rau kev tswj cov nqi qis hauv cov cuab yeej tshuaj ntsuam xyuas. Lawv tso cai rau kev kho kom zoo, ua rau lawv zoo meej rau calibrating roj sib tov hauv spectroscopy.

Cov koob zoo li qub yog ib qho kev sib txuas nrog ntau dua qhov tseeb, feem ntau siv hauv kev teeb tsa siab zoo li huab hwm coj spectrometry. Pob li qub, ntawm qhov tod tes, muab kev ua haujlwm nrawm nrawm ntawm lub voj voos kheej kheej, haum rau cov ntawv thov siab uas xav tau kev kaw nrawm, xws li thaum muaj xwm txheej ceev.

Lwm hom muaj xws li lub rooj vag li qub rau kev sib cais tag nrho, lub ntiaj teb li qub rau throttling, kos li qub los tiv thaiv kev rov qab, thiab ntsaws li qub rau cov kev pabcuam ruaj khov, tsis tshua muaj kev pabcuam. Hauv kev kho mob cov pa roj, lub tog raj kheej thiab cov khoom siv hluav taws xob tswj cov khoom siv ntau, thaum AVSU (Area Valve Service Units) thiab NIST li qub xyuas kom muaj kev tswj hwm thiab kev sib txuas ceev. Tsis siv neeg hloov pauv li qub hloov ntawm lub tog raj kheej seamlessly, txo qis qis hauv kev ua haujlwm tas mus li.

Tshwj xeeb li qub xws li kev txo siab thiab kev nyab xeeb li qub tiv thaiv kev kub siab dhau, thaum cov qauv ntsuas tso cai rau cov roj rho tawm yam tsis muaj kev cuam tshuam. Rau cov chaw kuaj roj thiab roj, npauj npaim li qub tuav cov ntim loj kom zoo. Xaiv hom nyob ntawm qhov yuav tsum tau muaj: koob rau precision, pob rau ceev.

Yam tseem ceeb hauv kev xaiv lub Laboratory Gas Valve

Kev xaiv pib nrog kev ntsuas kev ua haujlwm. Cov kev xav tau siab thiab ntws yog qhov tseem ceeb; li qub yuav tsum ua kom haum rau qhov system qhov nkag / qhov hluav taws xob siab thiab cov nqi ntws kom tsis txhob muaj kev txwv lossis tsis ua haujlwm. Piv txwv li, lub valve ntsuas rau 150 psi yuav tsis txaus rau 250 psi systems.

Valve qhov loj me yog qhov tseem ceeb - me me dhau ua rau lub siab poob qis, qhov loj heev nce tus nqi tsis tsim nyog. Siv cov txiaj ntsig coefficient (Cv) los xam qhov loj me raws li hom roj thiab tshaj tawm. Media hom influences tsim: corrosive gases xav tau resistant internals, thaum cov flammable sawv daws yuav xav tau txim-pov thawj actuation.

Txoj kev ua kom muaj zog - phau ntawv, pneumatic, lossis hluav taws xob - cuam tshuam rau kev siv tau. Phau ntawv levers haum rau kev teeb tsa yooj yim, tab sis automated solenoids txhim khu kev nyab xeeb hauv tej thaj chaw deb lossis chaw muaj kev phom sij. Kev sib txuas hom, xws li threaded, flanged, los yog compression fittings, yuav tsum ua raws li cov kav dej.

Tus nqi, muaj, thiab cov neeg tsim khoom lub koob npe nrov tseem ceeb. Nrhiav cov ntawv pov thawj zoo li ASME lossis CE. Kev ntsuas ib puag ncig, xws li IP rau plua plav / dej tsis kam, ua kom ruaj khov hauv cov chaw sim hnyav.

Cov ntaub ntawv thiab Compatibility

Valve cov ntaub ntawv txiav txim siab ntev thiab kev sib raug zoo. Brass yog ib qho uas tsis yog-corrosive gases vim kev pheej yig thiab machinability, tab sis stainless hlau (316L) excels nyob rau hauv corrosive los yog high-purity ib puag ncig rau nws tsis kam mus oxidation thiab tsawg outgassing. Rau cov pa phem xws li chlorine, siv Hastelloy lossis Monel.

Cov ntsaws ruaj ruaj thiab O-rings-PTFE, Viton, lossis EPDM-yuav tsum tiv taus roj chemistry yam tsis muaj degrading. Hauv hydrogen systems, tooj liab tubing nrog nyiaj brazing yog nyiam. Kev xaiv cov khoom tiv thaiv kev tshwm sim; Piv txwv li, aluminium zam rau halogens.

Xav txog qhov kub thiab txias: elastomers poob hauv qhov siab, yog li xaiv raws li. Rau RoDI systems, siv cov ntaub ntawv tsis yog hlau kom tsis txhob muaj kab mob.

Cov qauv kev nyab xeeb thiab cov yam ntxwv

Kev nyab xeeb yog tsis-negotiable. Cov qauv zoo li OSHA xav tau lub valve tiv thaiv thiab ruaj ntseg cia. NFPA 45 tswj xyuas cov roj hluav taws xob hauv cov chaw sim.

Cov nta muaj xws li kev kaw haujlwm / tagout mechanisms, tamper-proof designs, thiab shutoffs thaum muaj xwm ceev. Valves yuav tsum muaj tus nqi qis (piv txwv li, <10^-6 cc/sec) thiab yuav tsum tau kuaj helium. Rau cov pa phem, siv cov twj tso kua mis lossis cov diaphragm li qub. Lub tog raj kheej yuav tsum tau sau npe, khaws cia ncaj, thiab tshuaj xyuas txhua hli. Kev cob qhia txog kev phom sij zoo li lub tog raj kheej missile yog qhov tseem ceeb.

Kev Txiav Txim Siab Saib Xyuas

Kev txhim kho kom zoo tiv thaiv teeb meem. Valves yuav tsum yog kab rov tav, nthuav tawm thaum qhib, nrog cov ntawv ntshiab. Siv cov fittings sib xws thiab torque specifications. Rau cov kav dej, suav nrog lub tswb thiab kaw. Ntsuam xyuas cov dej xau tom qab kev teeb tsa siv cov tshuaj xab npum.

Txhim kho cov kev coj ua zoo tshaj plaws

Kev tshuaj xyuas txhua xyoo thiab lubrication tau pom zoo. Kho cov ntim rau cov dej xau, hloov cov purifiers raws li xav tau. Khaws cov khoom seem kom zoo; saib xyuas cov ntsuas siab. Qhib / kaw qeeb tiv thaiv kev poob siab.

Feem ntau yuam kev kom zam

Tsis txhob muab cov ntaub ntawv tsis sib xws uas ua rau corrosion lossis tsis zoo li qub ua rau muaj teeb meem txaus. Kev tsis saib xyuas cov qauv muaj kev pheej hmoo tsis ua raws li; Kev khaws cia tsis raug caw kom muaj xwm txheej.

xaus

Xaiv txoj cai Laboratory gas valve koom nrog txoj hauv kev holistic, sib npaug kev qhia tshwj xeeb nrog kev nyab xeeb thiab kev ua tau zoo. Los ntawm qhov tseem ceeb ntawm kev sib raug zoo, cov qauv, thiab kev saib xyuas, koj ua kom ntseeg tau cov haujlwm. Tham nrog cov neeg muab khoom siv rau cov lus qhia tsim nyog los ua kom zoo dua koj qhov teeb tsa.

Yog xav paub ntxiv txog yuav ua li cas xaiv qhov chaw kuaj roj li qub, koj tuaj yeem them mus ntsib Jewellok ntawm https://www.jewellok.com/ yog xav paub ntau info.