Lub tshuab hluav taws xob tswj valve tau nruab rau ntawm lub raj xa dej thiab yog nyob rau hauv kev sib cuag ncaj qha nrog kev khiav hauj lwm nruab nrab, thiab cuam tshuam los ntawm kev ua haujlwm hnyav xws li kub, kub siab, corrosion thiab kev sib txhuam ntev ntev. Yog li ntawd, xaiv qhov zoo ntawm lub regulating valve muaj kev cuam tshuam zoo rau kev tswj lub cev. Yog li ntawd, qhov raug thiab tsim nyog xaiv thiab installation ntawm regulating valve yog ib qho tseem ceeb tshwj xeeb.
1. Lub valve tswj hluav taws xob yuav tsum tau kuaj xyuas thiab kuaj xyuas ua ntej, thiab ntsia tom qab lub raj xa dej raug tshem tawm.
2. Kev teeb tsa ntawm lub tshuab hluav taws xob tswj lub valve yuav tsum yooj yim rau kev khiav lag luam thiab kev saib xyuas, kom cov neeg ua haujlwm tuaj yeem ua haujlwm thiab ua haujlwm, thiab lub platform yuav tsum tau teeb tsa yog tias tsim nyog.
3. Thaum lub tshuab hluav taws xob tswj valve tau teeb tsa hauv ib puag ncig kev co, kev ntsuas kev tiv thaiv kev vibration yuav tsum tau txiav txim siab.
4. Lub tshuab hluav taws xob tswj lub valve yuav tsum tau nruab vertically thiab upright nyob rau hauv kab rov tav raj. Lub regulating valve nrog lub nominal txoj kab uas hla ntawm DN≥50 yuav tsum muaj kev txhawb nqa mus tas li ntawm lub raj xa dej ua ntej thiab tom qab lub valve.
5. Rau cov hluav taws xob tswj li qub tsis muaj qhov chaw valve, nws yog qhov zoo dua rau nruab ib lub ntsuas me me uas qhia txog kev tswj cov teeb liab ntawm lub taub hau membrane.
6. Yuav tsum muaj qhov chaw txaus nyob rau sab sauv thiab qis ntawm cov hluav taws xob tswj valve kom tshem tawm cov actuator, valve trim, thiab qis flange thiab ntsaws ntawm lub valve thaum tu.
7. Lub installation txoj hauj lwm ntawm lub tshuab hluav taws xob tswj valve yuav tsum ua kom tau raws li qhov yuav tsum tau ua ntawm cov txheej txheem tsim, thiab yuav tsum nyob ze rau lub ntsiab lus qhia txog qhov ntsuas, yog li cov cuab yeej tseem ceeb tuaj yeem pom thaum lub bypass valve yog manually ua haujlwm;
8. Lub regulating valve yuav tsum tau teem rau hauv av los yog platform thiab yooj yim rau kev khiav hauj lwm thiab txij nkawm.
9. Lub regulating valve yuav tsum tau ntsia upright thiab vertically nyob rau hauv kab rov tav pipeline. Nyob rau hauv cov xwm txheej tshwj xeeb, nws tuaj yeem ntsia tau kab rov tav lossis obliquely, tab sis nws yuav tsum tau txais kev txhawb nqa;
10. Thaum lub regulating valve pawg (xws li regulating valve, bypass valve, kaw-off valve thiab ntws valve) yog ntsia vertically, lub regulating valve yuav tsum tau ntsia hauv qab no bypass. Regulating li qub nrog lub nominal txoj kab uas hla ntawm tsawg tshaj li 25 hli kuj yuav ntsia tau rau saum lub bypass.
Post lub sij hawm: Oct-21-2024