Kev tu txhua hnub Ntawm Valve

1. Kev ceev faj yuav tsum tau them rau qhov chaw khaws cia ntawm cov li qub, uas yuav tsum tau muab cia rau hauv chav qhuav thiab qhov cua thiab thaiv ntawm ob qho kawg ntawm txoj kev.
2. Cov valve yuav tsum tau kuaj xyuas tsis tu ncua thiab cov av yuav tsum tau muab tshem tawm, thiab cov roj tiv thaiv xeb yuav tsum tau siv rau lawv qhov chaw.
3. Tom qab kev teeb tsa thiab daim ntawv thov, cov li qub yuav tsum tau tshuaj xyuas tsis tu ncua kom ntseeg tau tias lawv ua haujlwm li qub.
4. Lub sealing nto ntawm lub valve yuav tsum tau kuaj xyuas kom hnav thiab kho lossis hloov raws li qhov xwm txheej.
5. Txheeb xyuas qhov hnav ntawm cov xov trapezoidal ntawm lub qia thiab lub valve qia txiv ntoo, seb cov ntim khoom puas tau dhau los lossis tsis ua haujlwm, thiab ua qhov tsim nyog hloov.
6. Lub sealing kev ua tau zoo ntawm lub valve yuav tsum tau kuaj kom paub tseeb tias nws cov kev ua tau zoo.
7. Lub valve hauv kev ua haujlwm yuav tsum tsis zoo, nrog cov bolts tiav ntawm flange thiab bracket, cov xov tsis muaj kev puas tsuaj, thiab tsis muaj xoob.
8. Yog hais tias lub handwheel ploj lawm, nws yuav tsum tau npaj kom raws sij hawm thiab tsis tuaj yeem hloov nrog ib tug liab wrench.
9. Lub caj pas ntim khoom yuav tsum tsis txhob qaij lossis tsis muaj kev sib tw ua ntej.
10. Yog tias lub valve siv nyob rau hauv ib puag ncig hnyav thiab raug cuam tshuam los ntawm kev sib kis los ntawm nag, daus, plua plav, xuab zeb, thiab lwm yam kuab paug, yuav tsum tau nruab ib lub hau tiv thaiv rau lub valve qia.
11. Cov nplai ntawm lub valve yuav tsum tau ua kom tiav, raug, thiab meej, thiab cov hlau lead thiab lub hau ntawm lub valve yuav tsum raug kaw.
12. Lub tsho rwb thaiv tsev yuav tsum tsis muaj dents lossis tawg.
13. Thaum lub sijhawm ua haujlwm, tsis txhob kov lossis txhawb nqa cov khoom hnyav ntawm lub valve.