Lub hydrant valve yog ib qho tseem ceeb ntawm txhua qhov kev tiv thaiv hluav taws. Nws ua lub luag haujlwm tseem ceeb hauv kev sib txuas hluav taws xob hose rau cov dej, tso cai rau cov neeg tua hluav taws tua hluav taws sai thiab ua tau zoo.
Yog li cas lub hydrant valve ua haujlwm li cas? Ua ntej, nws yog ib qho tseem ceeb kom nkag siab txog qhov sib txawv ntawm lub valve. Lub valve feem ntau muaj xws li lub cev valve, tus kov, thiab qhov chaw nkag thiab qhov hluav taws xob. Lub valve lub cev nyob hauv lub tshuab uas tswj cov dej ntws, thaum tus kov yog siv los qhib thiab kaw lub valve. Lub inlet thiab qhov hluav taws xob cov chaw nres nkoj ua haujlwm raws li cov ntsiab lus sib txuas rau qhov hluav taws kub hose thiab cov dej xau.
Thaum tus neeg tua hluav taws xav tau txuas lub hose mus rau lub hydrant valve, nws thawj zaug qhib lub valve los ntawm kev tig tus kov counterclockwise. Qhov no tso cai rau cov dej ntws los ntawm cov dej los ntawm lub valve thiab mus rau hauv lub hose. Thaum qhov kev sib txuas tau ua tiav, tus neeg tua hluav taws tuaj yeem kho cov dej ntws los ntawm kev siv lub valve.
Lub valve tuaj yeem hloov kho kom tswj tau qhov ntim thiab siab ntawm cov dej ntws los ntawm lub hose. Thaum lub valve qhib tag nrho, dej ntws ntawm nws qhov siab tshaj plaws thiab siab, uas tuaj yeem yog qhov tseem ceeb rau kev tua hluav taws loj. Txawm li cas los xij, qee zaum, xws li thaum tso hluav taws me me, qhov qis qis dua yuav tsim nyog kom tsis txhob ua rau dej puas tsuaj.
Nws yog ib qho tseem ceeb kom nco ntsoov tias hydrant li qub yog tsim los ua haujlwm nyob rau hauv ntau yam kev mob, nrog rau qhov kub thiab txias thiab kub siab. Lawv yog tsim los ntawm cov khoom siv ruaj khov xws li tooj dag lossis stainless hlau kom ntseeg tau tias lawv tuaj yeem tiv taus kev siv hnyav thiab tswj lawv txoj kev ncaj ncees nyob rau lub sijhawm.
Zuag qhia tag nrho, hydrant li qub yog cov khoom tseem ceeb hauv txhua qhov kev tiv thaiv hluav taws. Kev nkag siab tias lawv ua haujlwm li cas thiab siv lawv li cas kom zoo tuaj yeem ua rau txhua qhov sib txawv ntawm kev tiv thaiv hluav taws los ntawm kev sib kis thiab txo qis kev puas tsuaj los ntawm hluav taws.