Npauj Npaim Valve Ua Haujlwm Txoj Cai

Npauj npaim valve yog lub valve uas siv lub disc-hom qhib thiab kaw ib feem kom tig rov qab mus txog 90 degree qhib, kaw lossis kho qhov ntws ntawm qhov nruab nrab. Npauj npaim li qub tsis tsuas yog muaj cov qauv yooj yim, me me, lub teeb yuag, tsis siv cov khoom siv, kev teeb tsa me me, me me tsav torque, kev ua haujlwm yooj yim thiab ceev, tab sis kuj muaj kev hloov pauv zoo thiab kaw cov yam ntxwv ntawm tib lub sijhawm. Lawv yog cov kev txhim kho tshiab tshaj plaws hauv kaum xyoo dhau los. Ib qho ntawm qhov ceev tshaj plaws valve ntau yam. Npauj npaim li qub tau siv dav. Qhov ntau thiab ntau ntawm nws cov kev siv tseem tab tom nthuav dav, thiab tab tom txhim kho mus rau qhov kub thiab txias, kev kub siab, txoj kab uas hla loj, kev sib khi siab, lub neej ntev, kev tswj hwm zoo heev, thiab kev ua haujlwm ntau hauv ib lub valve. Nws txoj kev ntseeg siab thiab lwm yam kev ntsuas kev ua tau zoo tau mus txog qib siab.
Nrog rau daim ntawv thov ntawm chemically resistant hluavtaws roj hmab rau npauj npaim li qub, kev ua tau zoo ntawm npauj npaim li qub tau txhim kho. Txij li cov roj hmab hluavtaws muaj cov yam ntxwv ntawm kev tiv thaiv corrosion, yaig tsis kam, qhov ruaj khov, zoo resilience, yooj yim rau kev tsim, thiab tus nqi qis, hluavtaws roj hmab nrog cov khoom sib txawv tuaj yeem xaiv raws li kev siv sib txawv kom tau raws li kev ua haujlwm ntawm npauj npaim valve.
Vim hais tias polytetrafluoroethylene (PTFE) muaj zog corrosion kuj, ruaj khov kev ua tau zoo, tsis yooj yim rau lub hnub nyoog, tsis tshua muaj kev sib txhuam coefficient, yooj yim rau kev tsim, thiab seem stability, nws cov khoom muaj peev xwm tuaj yeem txhim kho los ntawm kev sau thiab ntxiv cov khoom tsim nyog kom tau txais lub zog zoo dua thiab kev sib txhuam. Npauj npaim valve sealing cov ntaub ntawv nrog qis coefficients kov yeej cov kev txwv ntawm cov roj hmab hluavtaws. Yog li ntawd, cov ntaub ntawv polymer sawv cev los ntawm polytetrafluoroethylene thiab lawv cov ntaub ntawv hloov pauv tau siv dav hauv npauj npaim li qub, yog li txhim kho kev ua haujlwm ntawm npauj npaim li qub. Nws tau raug txhim kho ntxiv los tsim lub npauj npaim valve nrog qhov dav ntawm qhov kub thiab txias ntau, kev sib khi txhim khu kev qha thiab ua haujlwm ntev dua.
Txhawm rau ua kom tau raws li qhov yuav tsum tau muaj ntawm kev lag luam siv xws li qhov kub thiab txias, muaj zog yaig, thiab lub neej ntev, cov hlau nplaum npauj npaim li qub tau tsim zoo heev. Nrog rau daim ntawv thov ntawm qhov kub thiab txias tsis kam, kub tsis kam, muaj zog corrosion kuj, muaj zog corrosion kuj, thiab high-strength alloy cov ntaub ntawv nyob rau hauv npauj npaim li qub, hlau-sealed npauj npaim li qub tau lug siv nyob rau hauv industrial teb xws li kub thiab tsis kub. , muaj zog yaig, thiab lub neej ntev. Npauj npaim li qub nrog cov kab loj (9 ~ 750mm), siab siab (42.0MPa), thiab qhov kub ntawm qhov dav (-196 ~ 606 degree) tau tshwm sim, nqa npauj npaim valve tshuab mus rau qib tshiab tag nrho .
Thaum lub npauj npaim valve qhib tag nrho, nws muaj qhov ua haujlwm me me. Thaum nws qhib ntawm li 15 degree thiab 70 degree, nws tuaj yeem ua qhov kev tswj xyuas qhov dej ntws. Yog li ntawd, npauj npaim li qub yog feem ntau siv nyob rau hauv lub tshav pob ntawm kev hloov loj-inch.
Txij li thaum lub zog ntawm npauj npaim phaj ntawm npauj npaim valve yog so, feem ntau npauj npaim li qub tuaj yeem siv hauv xov xwm nrog cov khoom raug tshem tawm. Nyob ntawm lub zog ntawm lub foob, nws kuj tuaj yeem siv rau cov hmoov thiab granular media.
Npauj npaim li qub yog tsim rau kev khiav dej num. Txij li thaum lub siab poob ntawm npauj npaim li qub hauv cov yeeb nkab yog qhov loj, li ntawm peb zaug ntawm lub qhov rooj li qub, thaum xaiv npauj npaim li qub, qhov cuam tshuam ntawm kev poob siab ntawm cov kav dej yuav tsum tau txiav txim siab tag nrho, thiab lub zog ntawm npauj npaim phaj kom tiv taus. lub siab ntawm cov kav dej nruab nrab thaum kaw yuav tsum tau txiav txim siab. . Tsis tas li ntawd, qhov ntsuas kub ntawm kev ua haujlwm ntawm cov khoom siv elastomeric lub rooj zaum ntawm qhov kub siab yuav tsum tau txiav txim siab.
Lub npauj npaim valve muaj qhov me me qhov ntev thiab qhov siab tag nrho, qhib thiab kaw nrawm, thiab cov yam ntxwv tswj dej zoo. Lub hauv paus ntsiab lus ntawm npauj npaim valve yog qhov tsim nyog tshaj plaws rau kev ua cov kab loj loj li qub. Thaum npauj npaim valve yuav tsum tau tswj kev ntws, qhov tseem ceeb tshaj plaws yog xaiv cov lus qhia thiab hom npauj npaim valve kom nws tuaj yeem ua haujlwm tau zoo thiab zoo.
Feem ntau, nyob rau hauv throttling, regulating tswj thiab av nkos xov xwm, luv luv qauv ntev, ceev qhib thiab kaw ceev, thiab tsis tshua muaj siab txiav tawm (me me siab sib txawv) yuav tsum tau. Npauj npaim li qub tau pom zoo. Npauj npaim li qub tuaj yeem siv tau thaum muaj ob txoj haujlwm hloov kho, txo txoj kab uas hla, tsis tshua muaj suab nrov, cavitation thiab vaporization, ib qho me me ntawm cov pa tawm mus rau hauv qhov chaw, thiab cov xov xwm abrasive. Kev hloov kho lub tog raj kheej raws li kev ua haujlwm tshwj xeeb, lossis kev ua haujlwm uas yuav tsum tau muaj kev sib khi nruj, hnav hnyav, tsis tshua muaj kub (cryogenic), thiab lwm yam.