ZYB series gear oil  pumps are capable of handling non-metallic impurities such as coal tar, diesel, and heavy oil in fuel oil. They are particularly suitable for fuel injection applications in chemical plants, construction sites, petroleum facilities, and asphalt mixing plants. At the same time, these pumps feature a sealed lubrication design, automatic adjustment structure, and advanced hydraulic balancing technology, enabling them to deliver stable working pressure and maintain operational efficiency over extended periods.