hat
Valv se yon pati nan kontwòl nan sistèm an pas likid. Li te gen fonksyon yo nan koupe-off, règleman, reyabilitasyon, prevansyon kontrekouran, estabilizasyon, reyabilitasyon oswa soulajman debòde.
eng
Valve is the control part of the fluid conveying system. It has the functions of cut-off, regulation, diversion, countercurrent prevention, stabilization, diversion or overflow relief.