Ụlọ ọrụ na-ere FLANGE HYDRAULIC OPERATION Water Check Valve
valvụ nlele na-ebuli elu na-ezo aka na valvụ nke na-emepe na-akpaghị aka ma mechie diski ahụ dabere na ntinye nke ọkara n'onwe ya iji gbochie nkwụsị azụ azụ, nke a makwaara dị ka valvụ nlele, valvụ otu ụzọ, valve counterflow, na valve nrụgide azụ. Lelee valvụ bụ valvụ akpaka. Ya isi ọrụ bụ igbochi ọkara backflow, reverse mgbapụta na mbanye moto, na ntọhapụ nke akpa ọkara. A pụkwara iji valvụ nlele na pipeline na-enye usoro inyeaka ebe nrụgide nwere ike ịrị elu karịa nrụgide usoro. Enwere ike kewaa valvụ nlele n'ime valvụ nlele swing (na-atụgharị dị ka etiti ike ndọda) na ebuli valvụ nlele (na-aga n'akụkụ axis).