Valves muaj ntau yam kev siv ntau yam, suav nrog yuav luag txhua qhov chaw lag luam thiab pej xeem suav nrog kev thauj mus los thiab kev tswj hwm dej. Los ntawm kev rho tawm hluav taws xob mus rau qhov kawg-siv noj, los ntawm siab - kub, siab - siab muaj kev teeb tsa mus rau qis- siab, ambient- kub hauv lub kav dej, li qub, nrog rau lawv cov qauv sib txawv thiab cov kev ua haujlwm tsis zoo, tsim kom muaj kev tswj xyuas cov dej tiav.
Hauv kev lag luam hluav taws xob thiab tshuaj lom neeg, li qub yog cov cuab yeej siv tseem ceeb hauv cov roj thiab cov roj rho tawm, kev ua kom zoo, khaws cia, kev thauj mus los, thiab kev tsim tshuaj. Cov roj av thiab cov raj xa hluav taws xob cia siab rau qhov loj - lub qhov rooj qhov rooj thiab lub pob li qub rau ntev - kev thauj mus los thiab chaw nres tsheb hloov; nyob rau hauv cov roj refining units, siab -kub, siab - siab hydrogenation thiab catalytic cracking txheej txheem yuav tsum tau corrosion-resistant alloy li qub thiab tshwj xeeb tswj li qub los lis complex media thiab kev ua hauj lwm hnyav. Coal chemical industries thiab zoo tshuaj industries muab ntau dua xav tau ntawm valve sealing kev ua tau zoo, tsis kam mus rau particle yaig, thiab los tiv thaiv -clogging peev xwm.
Hauv kev lag luam hluav taws xob, cov li qub tau siv thoob plaws hauv tag nrho cov txheej txheem ntawm thermal zog, nuclear fais fab, hydropower, thiab lub zog tshiab. Boiler feedwater, lub ntsiab thiab pab cov kav dej, condensate rov qab, thiab cov dej txias txhua qhov xav tau lub rooj vag li qub, lub ntiaj teb li qub, kos li qub, thiab kev nyab xeeb li qub kom ruaj khov ua haujlwm nyob rau hauv ntau yam loads. Lub tshuab hluav taws xob nuclear muaj cov kev cai nruj tshwj xeeb rau kev ntseeg siab ntawm lub valve, seismic resistance, thiab nuclear - cov qauv ntawv pov thawj qib.
Hauv cov chaw hauv nroog thiab pej xeem, cov li qub tau siv dav hauv cov khoom siv dej thiab cov kav dej, kev kho dej phwj tuaj, HVAC, thiab kev tiv thaiv hluav taws. Cov khoom siv dej siv cov npauj npaim li qub thiab lub rooj vag li qub rau zoned flow control thiab txij nkawm cais; Cov chaw kho dej phwj siv siv corrosion-cov pov thawj tiv taus rau kev siv tshuaj lom neeg thiab cov kua dej tawm; Kev tiv thaiv hluav taws xob cia siab rau kev sib txuas ntawm cov teeb liab li qub thiab lub tswb ntsuas kom ntseeg tau cov lus teb ceev ceev thaum muaj xwm txheej ceev.
Hauv metallurgical, mining, thiab ib puag ncig engineering tej yaam num, li qub yuav tsum tiv taus cov xov xwm hnyav xws li siab -kub flue roj, plua plav gases, thiab kua qaub/alkali daws. High-kub npauj npaim li qub, hnav- pob li qub, thiab corrosion- cov kab npauj npaim ua lub luag haujlwm tseem ceeb hauv cov xwm txheej no, pab txo qis emissions, txuag hluav taws xob, thiab kev nyab xeeb ntawm kev tsim khoom.
Tsis tas li ntawd, high-kawg sectors xws li khoom noj khoom haus thiab tshuaj, shipbuilding, thiab aerospace qhov chaw tshwj xeeb xav tau ntawm li qub, xav kom lawv huv si, tsis muaj menyuam, thiab ua hauj lwm ntawm ultra- tsis kub los yog ultra- siab siab, yog li tsav txoj kev tshawb fawb thiab kev siv tshwj xeeb li qub.
Zuag qhia tag nrho, li qub suav nrog ntau thaj chaw, los ntawm cov kev lag luam ib txwm mus rau kev txiav -ntug thev naus laus zis, thiab los ntawm cov txheej txheem loj - mus rau cov khoom siv txheej txheem precision. Lawv txoj kev txhim kho thev naus laus zis thiab kev tsim qauv tsis yog tsuas yog txhawb nqa kev nyab xeeb ntawm kev lag luam uas twb muaj lawm tab sis kuj tseem muab cov kev tswj xyuas cov kua dej txhim khu kev qha rau cov chaw tawm tshiab xws li lub zog tshiab, cov khoom siv tshiab, thiab kev tsim khoom ntse.
