Koj paub ntau npaum li cas txog cov tshev valve?

1. Lub check valve yog dab tsi? 7. Lub hauv paus ntsiab lus ntawm kev ua haujlwm yog dab tsi?

　　Kuaj valveyog ib lo lus sau, thiab feem ntau yog hu ua check valve, kos valve, kos valve lossis kos valve hauv txoj haujlwm. Txawm hais tias nws hu ua li cas, raws li lub ntsiab lus ntawm lub ntsiab lus, peb tuaj yeem txiav txim siab lub luag haujlwm ntawm daim tshev valve kom tiv thaiv cov kua dej ntws rov qab rau hauv qhov system thiab xyuas kom meej tias cov kua dej tsuas yog txav mus rau qhov chaw ruaj khov. Qhov qhib thiab kaw ntawm qhov kos valve yog ua tiav los ntawm lub zog ntawm cov kua dej ntws, yog li cov tshev valve yog hom tsis siv neeg valve. Vim nws cov yam ntxwv, qhov ntsuas ntawm kev siv cov tshev valve hauv lub neej yog qhov loj heev.

Ob. Taw qhia rau kev faib tawm ntawm cov tshev valve

Peb cov khoom siv thiab feem ntau siv cov tshev valve feem ntau muaj peb hom: nqa hom, hom teb thiab hom disc. Cov nram qab no cais qhia cov yam ntxwv ntawm peb qhov sib txawv kos li qub:

1. Kev taw qhia txog kev nqa daim tshev valve

Lift check valve muab faib ua ob hom: kab rov tav thiab ntsug raws li txoj kev tso cov cuab yeej. Txawm hais tias nws yog kab rov tav lossis ntsug, nws txav raws axis kom tiav qhov qhib thiab kaw.

A. Rau qee qhov haujlwm uas yuav tsum tau ua haujlwm siab zoo, peb feem ntau siv nqa-hom ntsiag to kos li qub. Feem ntau, peb nruab qhov kos valve ntawm qhov hluav taws xob ntawm lub twj tso kua mis;

B. Feem ntau, silence check li qub feem ntau yog siv rau hauv cov dej thiab cov kav dej ntawm cov tsev siab. Txhawm rau kom tsis txhob raug thaiv, lub kaw lus kaw lus feem ntau tsis siv rau cov dej phwj tuaj;

C. Kev tso dej phwj tuaj yog tswj hwm los ntawm lub siab kab rov tav kos valve. Nws feem ntau yog siv los txhawb cov cheeb tsam hauv zos xws li cov kav dej thiab cov kav dej phwj tuaj.

2. Cov tshev valve tau muab faib ua peb hom: ib lub valve, ob lub valve thiab ntau lub valve raws li lawv cov kev kuaj sib txawv. Lawv lub hauv paus ntsiab lus ntawm kev ua haujlwm yog ua kom tiav qhov kev sib hloov los ntawm nws tus kheej qhov chaw thiab tom qab ntawd ua tiav qhov qhib thiab kaw.

A. Kev siv cov khoom siv hluav taws xob sib txuas yog qhov ruaj khov, thiab feem ntau yog siv hauv cov kav dej hauv nroog, tab sis nws tsis haum rau cov kav dej phwj uas muaj cov av noo ntau;

B. Ntawm cov kev sib txawv teb cov tshev valve, ib nplooj ntawv kos valve yog dav siv. Nws tsis xav tau cov kua dej zoo thiab feem ntau siv rau hauv cov dej thiab cov dej ntws, roj av, tshuaj lom neeg, metallurgical thiab lwm yam haujlwm. Tshwj xeeb tshaj yog nyob rau qee qhov chaw txwv, ib daim ntawv kos valve tau siv ntau heev;

3, kev taw qhia ntawm disc-type check valve

A. Disc-type check li qub feem ntau ncaj nraim. Npauj npaim-hom ob chav valve kos li qub tau siv dav hauv cov dej xa dej thiab cov dej ntws ntawm cov tsev siab siab, thiab qee cov kua dej corrosive los yog siv hauv qee qhov dej phwj tuaj;