Valve
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Cam khwb cia hlau stainless steel valve
Lub valve yog ib qho khoom siv tswj hauv cov kav dej xa dej.Nws yog siv los hloov cov seem channel thiab cov kev taw qhia ntawm qhov nruab nrab ntws.Nws muaj cov haujlwm ntawm kev hloov pauv, txiav tawm, throttling, kos, shunt lossis overflow siab nyem.