2CY series lubricating oil gear pumps are suitable for conveying non-corrosive lubricating oils or equivalent liquids with temperatures below 300°C, viscosities ranging from 5×10⁻⁶ to 1.5×10⁻³ m²/s (5–1500 cSt), and free of solid particles and fibers. This product automatically lubricates all internal components during operation using the conveyed medium, offering simple operation and stable performance. As a result, this series of pumps is also highly suitable for pressurization and injection in delivery systems and fuel supply systems, as well as for various industrial applications.