High-velocity oil flushing is a technique used to clean and remove contaminants from lubrication and hydraulic systems in industrial equipment. It involves circulating oil at high velocity through the system to dislodge and carry away debris, particles, and sludge. This process is commonly used in industries such as power generation, petrochemical plants, and manufacturing. High-velocity oil flushing enhances equipment performance, extends system longevity, reduces costs, and ensures compliance with cleanliness standards, making it a highly valuable maintenance procedure for various industrial applications.