Lub qhov dej
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Stainless hlau valve
Lub valve yog ib qho khoom tswj hwm hauv cov kav dej xa dej. Nws yog siv los hloov qhov seem ntawm cov kav dej thiab kev coj ntawm cov dej ntws nruab nrab. Nws muaj cov haujlwm ntawm kev hloov pauv, txiav tawm, throttling, kuaj xyuas, shunt lossis overflow pressure relief.