Daim ntawv thov rau Pilot-Operated Check Valves

Pilot-operated check li qub tuaj yeem siv ntau yam kev siv, suav nrog:

Roj thiab roj: Pilot-operated check li qub yog siv nyob rau hauv cov roj thiab roj pipelines los tiv thaiv backflow ntawm roj los yog roj.

Chemical processing: Pilot-operated check valves yog siv nyob rau hauv cov tshuaj ua cov nroj tsuag los tiv thaiv backflow ntawm chemicals.

Khoom noj khoom haus thiab dej haus: Pilot-operated check li qub yog siv nyob rau hauv cov zaub mov thiab dej haus ua cov nroj tsuag los tiv thaiv backflow ntawm zaub mov los yog dej haus.

Kev kho dej: Cov kev sim ua haujlwm tau siv rau hauv cov chaw kho dej kom tsis txhob rov qab los ntawm cov dej tsis huv.

Hom Pilot-Operated Check Valves

Muaj ob hom tseem ceeb ntawm kev tsav tsheb ua haujlwm kos li qub:

Direct acting: Direct-acting pilot-operated check valves siv ib qho kev sib txuas ncaj qha ntawm tus tsav valve thiab cov tshev valve. Hom valve no feem ntau yog siv rau cov ntawv thov uas yuav tsum tau muaj tus nqi siab lossis siab siab.

Indirect acting: Indirect-acting pilot-operated check valves siv lub caij nplooj ntoos hlav los muab lub zog los kaw lub valve. Hom valve no feem ntau yog siv rau cov ntawv thov uas tsis tshua muaj qis qis lossis qis qis yuav tsum tau ua.

Kev tsim kho tshiab hauv Pilot-Operated Check Valves

Cov neeg tsim khoom ntawm cov kws tsav dav hlau tau ua haujlwm tas li tsim cov qauv tshiab thiab tsim tshiab kom tau raws li qhov xav tau ntawm ntau yam kev siv. Qee qhov kev txhim kho tshiab kawg hauv daim teb no suav nrog:

Cov ntaub ntawv tshiab: Cov neeg tsim khoom tab tom tsim cov ntaub ntawv tshiab rau kev tsav tsheb ua haujlwm uas muaj kev txhim kho corrosion, lub zog, thiab kav ntev.

Cov qauv tsim tshiab: Cov neeg tsim khoom tab tom tsim cov qauv tshiab rau kev tsav tsheb ua haujlwm kos li qub uas muaj kev txhim kho kev ua tau zoo, kev ntseeg tau, thiab kev siv yooj yim.

Cov thev naus laus zis tshiab: Cov neeg tsim khoom tab tom tsim cov thev naus laus zis tshiab rau cov kws tsav dav hlau ua haujlwm uas muaj kev txhim kho kev ua haujlwm thiab kev nyab xeeb.

Xaus

Pilot-operated check li qub yog ntau yam thiab txhim khu kev qha hom valve uas tuaj yeem siv rau ntau yam kev siv. Cov li qub no muaj ntau qhov zoo dua li cov tshev qub qub, suav nrog kev ntseeg siab ntxiv, txhim kho kev nyab xeeb, thiab txo kev saib xyuas. Raws li qhov kev thov rau cov li qub no txuas ntxiv zuj zus, cov tuam txhab tsim khoom tsim tshiab thiab tsim tshiab kom tau raws li qhov xav tau ntawm ntau yam kev siv.