Qhov kub thiab txias nyob ntawm no rov ua dua qhov xwm txheej thaum qhov kub nruab nrab sib npaug lossis siab dua li qhov pib nkag ntawm qhov kub ntawm cov khoom siv hlau. Qhov kub ntawm cov pa roj carbon isabout 400 ℃; chromium molybdenum hlau hlau 450 ℃; austenitic hlau-raws li qhov kub thiab txias hlau alloy540 ℃; nickel-based kub kub alloy 650 ℃; txhuas hlau 200 ℃; titanium alloy 310 ℃.
Nyob rau hauv qhov kub thiab txias, kev nthuav dav cua sov thiab kev cog lus yuav tshwm sim ntawm ob qho tib si cov khoom siv thiab cov hlau tsis yog xim hlau, uas yuav muaj kev cuam tshuam rau kev ua haujlwm sib khi ntawm qhov nruab nrab.npauj npaim li qubthiab thetreatmentof thegate li qub' clacks los tiv thaiv clipping tightlyareto tshem tawm qhov tsis zoo los ntawm kev nthuav dav cua sov thiab txo qis.
Thaum peb xaiv qhovli qubsiv rau qhov kub thiab txias, peb yuav tsum txiav txim siab rau cov hauv paus ntsiab lus hauv qab no.
Hom li qub
Peb yuav tsum xub xaiv qhov uas muaj lub valve discs nrog cov cua sov nthuav dav ua haujlwm tau zoo. Kev nthuav dav cua sov nthuav dav muaj peev xwm ntawm kev siv kaw qhov qub los ntawm qhov siab mus rau qis yog:ntiaj teb li qub,rooj vag li qub,pob li qub, mechanicallybalancedplug li qub, hlau kaw lub npauj npaim li qub.
Thaum qhov nruab nrab qhov kub tshaj tshaj qhov pib nkag mus rau qhov kub ntawm qhov ntsia liaj qhov rooj' cov ntaub ntawv, nws tsis pom zoo kom siv lub waferbutterfly li qub thiab kos li qub.
Thaum cov ntawv tsis yog xim hlau tau txais yuav, yuav tsum them nyiaj rau kev ua haujlwm kub ntawm cov khoom siv tsis yog xim hlau Peb tuaj yeem sab laj cov tuam txhab tsim khoom lag luam txog qhov tshwj xeeb ua haujlwm kub ntau ntawm cov khoom siv.
Cov qauv ntawm li qub
Thaum lub qhov rooj kaw qhov rooj raug xaiv, peb yuav tsum txiav txim siab qhov muaj peev xwm ntawm lub valve clacksbeing clipped nruj. Yog li ntawd, peb yuav tsum xaiv lub rooj vag qub nrog lub qhov rooj ywj pheej thaum lub qhov rooj ntawm DN50 thiab saum toj no DN50are txiav txim siab siv.
Kev siv vuam sib txuas tsis yog hais txog qhov yuav tsum tau ua hauv qhov kub thiab txias ib puag ncig yooj yim thiab lawv yuav raug pom zoo yog tias qhov kub thiab txias tau ua ke nrog qhov siab thiab tom qab ntawd ua rau muaj qhov ntsuas qhov ntsuas siab ntawm qhov ua tau zoo dua lossis sib npaug rau Class600 (rau Chav Kawm) lossis PN100 (rau PN series). Kev siv vuam txuas yuav tsum tau txais kev pom zoo yog tias qhov kub thiab txias tau ua ke nrog cov xov xwm kub hnyiab thiab qhov kub ntawm cov xov xwm tshaj li cov ntsiab lus tsis tuaj yeem tshwm sim thiab cov ntsiab lus nyem ntawm cov xov xwm.
Txoj kev hla hla yuav tsum tau teeb tsa ntawm qhov nruab nrab siv rau qhov kub ua kom sov (3.5 Mpa thiab siab dua) cov raj xa dej lossis lwm cov kav dej txiav txim siab los ntawm cov kws tsim qauv tsim qauv uas lawv tsis tuaj yeem tiv taus qhov kub hnyiab.
Cov khoom siv li qub
Rau qhov siab ntawm cov khoom siv li qub, cov tuam txhab tsim khoom yuav tsum muaj cov kev ntsuas nkag mus rau cov khoom siv, los muab cov ntaub ntawv ntawm yam kev ntsuas, thiab txhawm rau txhim kho lawv qhov kev tswj hwm cov khoom zoo, suav nrog kev tswj ntawm qhov tsis xws luag, sab hauv tsis xws luag thiab tsis yog xim hlau suav nrog.
Thaum qhov kub ntawm kev tshaj xov xwm yog siab dua qhov pib cua sov ntawm cov ntawv' Cov ntaub ntawv, qhov cuam tshuam ntawm qhov ua rau muaj kev so kom txaus ntawm lub qhov rooj ntawm qhov ua tau zoo ntawm lub pob valve yuav tsum tau ntsuas.
Raws li qhov tsis ua kom sov ua kom sov ntawm cov khoom sib txuas hauv lub cev tuaj yeem tsim kev quab yuam ntxiv ntawm qhov sib khi, kev kho kom tawv yuav tsum tau muaj ntawm qhov chaw sib khi ntawm lub valve clacksand lub rooj zaum valve.
Cov teebmeem ntawm qhov kub thiab txias ntawm qhov ua kom nrawm ntawm cov qia pob yuav tsum raug tshuaj xyuas. Yog tias tsim nyog, hloov cov ntaub ntawv nrog cov khoom zoo dua, lossis ntsuas qhov tsim nyog.