One-way valves also called van kiểm tra or non-return valves. It is a valve where the fluid can only flow along the inlet and the medium at the outlet cannot flow back.
It use in hydraulic systems to prevent the reverse flow of oil, or in pneumatic systems to prevent the reverse flow of compressed air. They play a crucial role in various industries by ensuring the unidirectional flow of substances in pipelines, hệ thống, and equipment, thereby enhancing safety, hiệu quả, and performance.